Segmented Basalt Tail Guard 518

From:
Lineage 684 of the Gem Crested Karthian of Archaic

    * Equipment Slot: Tail Slot, fitted along the proximal and medial sections of the avatar's four-foot muscular tail.     * Tier and Rarity: Tier 1, Common quality.     * Defensive Rating: Grants an Armor Check value of +1 AC, protecting the avatar's rear quadrant and stabilizing appendage.     * Durability and Health Points: Possesses a base resilience rating of 10, resulting in 33 Item Health Points (avatar maximum health points of 23 plus 10 resilience points). If reduced to 16 hit points or lower, it becomes broken, losing its defensive structure and causing balance penalties until repaired by an armorer.     * Attunement Requirements: Requires simple attunement taking one full minute of physical wear and adjustment. Grasping or touching items above the avatar's tier level causes severe interval damage, but because this guard is crafted strictly as a Tier 1 item matching the avatar's tier, it harmonizes safely without pain or health loss.     * Material Composition and Tailoring: Composed of six overlapping, curved segments of dark volcanic basalt, carved thin to reduce excess weight while preserving crystalline rigidity. Each stone segment is backed with thick felted wool and attached to adjacent plates via pivoting bronze hinge pins. The entire assembly is anchored along the dorsal ridge of the tail by four adjustable leather girth-straps that buckle beneath the tail's ventral scales. The terminal segment ends in a blunt, rounded bronze cap fitted with a small counter-balance ring.     * Mechanical and Functional Utility: Shields the avatar’s primary balancing appendage from rear attacks, crushing impacts from falling stones in collapsed mine shafts, and severe abrasions when bracing against rough granite walls. The weighted basalt construction acts as a low-center-of-gravity ballast, stabilizing the 365-pound avatar when climbing narrow spiral staircases in Syl-Kar’s ancient ruins or walking across suspended wooden scaffolding in the high canopy archives. The counter-weight reduces rotational sway during swift lateral turns, ensuring the avatar maintains firm, deliberate footing on damp rock floors.

The
development of the Segmented Basalt Tail Guard 518 arose during the
precarious deep-shaft sinking operations of the Second Consolidation,
when the municipal survey teams of Lineage 684 pushed into the
fractured volcanic chimneys beneath Syl-Kar. In earlier excavation
efforts, field scribes and stonecutters regularly suffered crippling
caudal injuries; falling shale flakes, collapsing mine-cart rails,
and trailing predatory tunnel-eels routinely crushed or severed the
exposed tail muscles of working Karthians. Because a Karthian’s
four-foot tail functions as an indispensable locomotive rudder and
dynamic ballast for their heavy 365-pound frame, an injured tail left
a surveyor permanently unsteady, prone to falling from narrow
catwalks into boiling sulfur sumps.

To resolve this vulnerability, municipal armaments masters quarried vesicular, iron-bearing basalt from dormant thermal vents beneath the Iron Sump, grinding the stone into thin, curved shingles that retained dense crystal rigidity without over-encumbering the spine. Batch 518 was specifically commissioned during the retrofitting of the Lower Aqueducts, where high-pressure steam flues and slick masonry caused catastrophic falls among unarmored crews. Stamped with the official inventory runes of Syl-Kar’s Department of Public Works, this production run proved that a tailored, hinged stone carapace could transform a vulnerable appendage into an armored third leg capable of counter-balancing the avatar across sheer, greasy chasm walls.

• Specific Slot:
  • Tail Slot (fitted along the proximal and medial sections of the four-foot caudal appendage, terminating just before the prehensile steering tip).
• Tier One Stats:
  • Defensive Rating: +1 Armor Check (AC) protecting the avatar’s rear quadrant, lower spine transition, and tail appendage against crushing, slashing, and piercing trauma.
  • Base Resilience: 10 resilience points.
  • Item Health Points: 33 Item HP (calculated from the avatar’s base maximum health pool of 23 HP plus 10 resilience points multiplied by the Tier 1 modifier). Breaks at 16 HP, losing structural cohesion and inflicting balance penalties until repaired; destroyed at 0 HP.
  • Ballast Stabilization: Provides a low-center-of-gravity ballast that grants a passive +1 modifier to stationary bracing, climbing leverage, and balance recovery.
  • Mass and Bulk: 7 lbs (negligible carrying burden when strapped flush to the tail root).
• Skills Gained While Openly Worn or Held:
  • +1 Temporary Skill Point to Balance and High-Angle Rigging (enhances foot-and-tail coordination when traversing grease-slick beams, suspension cables, and narrow subterranean catwalks).
  • +1 Temporary Skill Point to Unarmed Caudal Brawling (improves striking accuracy, leverage recovery, and impact delivery when utilizing the tail as a defensive bludgeon).
• Multiple Passives Magic:
  • Caudal Gyro-Ballast: The volcanic mineral structure subtly aligns with the avatar’s inner ear and spinal fluid dynamics. When crossing narrow ridges, wind-swept suspension ropes, or grease-coated stone steps, the basalt shingles automatically shift kinetic inertia to counteract sudden rotational sway, granting a passive +2 bonus to resist being knocked prone, tripped, or shoved off balance.
  • Sub-Dermal Kinetic Deflection: The bronze hinge pins and wool-felt backing channel direct kinetic impact energy laterally along the outer curvature of the basalt plates rather than driving it inward into the caudal vertebrae. The wearer gains complete resistance to tail bone-bruising and nerve deadening from falling stones, glancing weapon strikes, or low-ceiling collisions.
  • Low-Frequency Strata Sense: The dense basalt plates act as acoustic conductors for bedrock vibrations. The avatar passively senses subtle seismic tremors, shifting masonry seams, and the burrowing movement of subterranean predators through solid rock floors up to 20 feet away, even in total darkness.
• Multiple Activatable Magics:
  • Resonant Ground-Thrum (Bedrock Ping): By spending 1 action to strike the blunt bronze terminal ring against contiguous stone or masonry, the wearer emits a low-frequency acoustic sonar wave through the rock in a 30-foot radius. For 1 minute, the avatar’s Mind’s Eye detects hollow wall chambers, concealed floor pit-traps, and hidden crawlway seams within the stone. This ability has 2 charges per day and refreshes daily at dawn.
  • Kinetic Whiplash Sweep: As a reaction or bonus action during close-quarters combat, the avatar swings their tail in a sudden 180-degree low arc. The basalt plates momentarily lock rigid via geomantic tension, delivering a sweeping kinetic strike. The target takes 1d6 bludgeoning damage and must succeed on an athletic balance check or be knocked prone. This ability possesses 3 charges per day, resetting after a complete rest.

Tags: Basalt Tail Guard, Tail Slot, Tier 1, Common Quality, Volcanic Basalt, Caudal Ballast, Lineage 684, Syl-Kar Engineering, Kinetic Deflection, Resonant Ground-Thrum, Bronze Hinge Pins, Felted Wool Lining, Terminal Counter-Weight Ring, Leather Girth Straps, Second Consolidation, Lower Aqueducts, Kinetic Whiplash Sweep, Strata Sense, Iron Sump Quarry, Rear Quadrant Armor, Ventral Buckle Assembly, Anti-Trip Stability

Acquisition,
Commerce, and Valuation of the Segmented Basalt Tail Guard 518

• Methods of Obtaining the Item:
  • Excavation of Second Consolidation Shafts and Aqueduct Sumps:
    • Avatars exploring the abandoned thermal flues beneath the Iron Sump, flooded bypass conduits of the Lower Aqueducts, or collapsed mining shafts under Syl-Kar can recover intact tail guards from sealed municipal lockboxes and skeletonized survey lockers.
    • Extracting an intact unit requires carefully clearing calcified silt and sulfur encrustations from the pivoting bronze pins, using stone-cleaning solvents to prevent shearing the bronze, and deploying the Mind’s Eye to ensure thermal stress has not caused hidden cleavage planes inside the curved basalt shingles.
  • Municipal Requisition and Department of Public Works Provisioning:
    • Enfranchised surveyors, municipal tunnel inspectors, and licensed aqueduct repair contractors can requisition 500-series tail protection prior to descending into unstable volcanic chimneys or high-pressure steam galleries.
    • Presenting an authorized expeditionary warrant to a municipal quartermaster and locking a surety bond through the avatar’s World Bank ledger enables direct withdrawal from central civil engineering stores, complete with freshly oiled leather girth-straps.
  • Lineage Bestowal and Quarry Guild Apprenticeship:
    • Within Karthian civil engineering lineages—particularly Lineage 684 and affiliated stone-mason clans—the tail guard serves as a rite-of-passage mantle passed from a senior surveyor to a junior epigrapher or mining apprentice upon completing their first deep-shaft mapping circuit.
    • The transfer is recorded within clan archives and stamped upon the bronze terminal ring, conferring ownership without commercial transaction while obligating the bearer to maintain the felt lining and replace worn hinge pins.
  • Lapidary Masonry and Armorcraft Fabrication:
    • Characters possessing sufficient lapidary, blacksmithing, and leatherworking capabilities can craft the guard at an outfitter’s forge.
    • The crafter must quarry dense, vesicular basalt from dormant volcanic chimneys, grind the curved plates to a uniform thickness, forge matching bronze hinge pins, line each shingle with felted mountain-goat or sheep wool, and sacrifice an existing piece of mundane protective tail or leg armor alongside a Tier 1 magic crystal to anchor the kinetic deflection matrix.
  • Field Salvage and Avatar De-Manifestation:
    • When a hostile tunnel marauder, rogue municipal engineer, or opposing Karthian avatar falls in battle and reaches zero health points, their physical vessel dissolves into mana sparks, dropping all equipped items, coinage, and attuned gear onto the ground.
    • A scavenger can claim the tail guard immediately. If salvaging from non-avatar subterranean dead, heavy shears or an awl must be used to release the four ventral girth-straps from under the stiffened caudal scales without dulling the bronze buckle prongs.

• Types of Commercial Shops, Transaction Procedures, and Operational Costs:
  • Municipal Works Arsenals and Guild Supply Depots:
    • Storefront Character and Location:
      • Situated within the fortified administration halls of Syl-Kar’s Department of Public Works and regional headquarters of the Guild of Masons and Antiquarians.
      • These facilities feature vaulted granite ceilings, racks of standardized stonecutters’ gear, bins of replacement bronze hinge pins, and appraisal desks manned by guild logistics officers working under shielded glow-stone lamps.
    • Purchasing Mechanics and Discounts:
      • Requisitions are restricted to licensed municipal contractors, guild members, and certified ruin explorers.
      • Guild members in good standing receive a statutory discount equal to 10% multiplied by their tier level (a 10% discount for Tier 1 personnel).
      • Payments are processed via automated World Bank ledger transfer, exempt from civilian sales taxes when issued for public survey expeditions.
    • Purchasing Price:
      • Standard civilian retail procurement is priced at 170 silver coins (17 gold coins).
      • For an enfranchised Tier 1 guild surveyor, the price is reduced to 153 silver coins (15 gold and 3 silver coins).
    • Selling Mechanics and Payout:
      • Guild quartermasters inspect the basalt segments for thermal hairline fractures and test the bronze hinge pivots for mechanical binding.
      • The transaction is entered into municipal property rolls to verify the item is not registered as lost or stolen state property.
      • An intact guard yields an institutional credit of 100 to 115 silver coins. Units reduced to the broken state (16 hit points or fewer) are purchased for 25 to 30 silver coins for raw bronze scrap and lapidary grit.
  • Specialized Caudal Armories and Heavy Lapidary Ateliers:
    • Storefront Character and Location:
      • Found along the artisan terraces of Syl-Kar and the heavy armory districts of Stonefall.
      • Workshops are equipped with stone-grinding treadle wheels, leather-cutting benches smelling of neatsfoot oil and wet pumice, and specialized wooden trestles designed to fit guards across scaled tail replicas.
    • Purchasing Mechanics and Taxes:
      • The artisan custom-fits the four ventral leather straps to the customer’s tail root and adjusts the felted wool padding to ensure the bronze terminal ring rests exactly above the prehensile steering tip.
      • The purchase requires physical coinage or an authorized World Bank bank-draft, subject to the mandatory 3% municipal sales tax.
    • Purchasing Price:
      • A custom-fitted, newly re-strung tail guard sells for 160 to 190 silver coins (16 to 19 gold coins), plus the 3% local sales tax (an additional 5 to 6 silver coins).
    • Selling Mechanics and Payout:
      • The armorer uses magnifying loupes to inspect the curved basalt shingles and examines the felt backing for dry rot.
      • Following standard merchant customs, an appraisal margin deduction of 10% multiplied by the seller’s tier level is applied.
      • An intact guard commands a cash payout of 80 to 95 silver coins. If the stone shingles are cracked or chipped below functional resilience, the workshop offers only 15 to 20 silver coins for the intact bronze pins, buckles, and leather straps.
  • Frontier Waystations and Caravan Supply Posts:
    • Storefront Character and Location:
      • Located at remote overland junctions, including the fortified roadhouses at Wayrest, the barge landings of Gladeport, or railheads leading toward the Boreal Reach.
      • General supply roadhouses catering to deep-country caravans, mineral prospectors, and heavy-freight drovers.
    • Purchasing Mechanics and Tariffs:
      • Specialized anatomical armor is rare in frontier outposts; importing heavy stone pieces from central city quarries involves steep carriage fees.
      • Goods brought across provincial borders are subject to a mandatory 5% regional security tariff collected by road-wardens and added directly to the invoice.
      • Merchants accept regional scrip, trade ingots, and mixed coinage, applying a 1% conversion discount against non-certified tender.
    • Purchasing Price:
      • Scarcity and freight overhead raise retail costs to 220 to 260 silver coins (22 to 26 gold coins), plus the 5% border tariff (11 to 13 silver coins).
    • Selling Mechanics and Payout:
      • Frontier merchants maintain limited currency reserves and prefer trading in food, ammunition, and medical tonics over specialized caudal armor.
      • Selling to a frontier factor yields between 65 and 80 silver coins in trade barter or cash. If an exploratory mining team is actively outfitting at the outpost, the factor may offer up to 110 silver coins for rapid turnover.
  • Clandestine Subterranean Scavenger Dens and Illicit Bazaars:
    • Storefront Character and Location:
      • Tucked away inside the unmapped conduits of the Third Burrow, drainage spillways beneath the ore-stamping mills, or dry cavern sumps near Stonefall.
      • Improvised stalls assembled from packing timber and corrugated sheet iron, illuminated by smoking tallow dips and operated by rogue scrap-miners, unlicensed diggers, and black-market fences.
    • Purchasing Mechanics and Anonymity:
      • Transactions are conducted exclusively off-ledger in physical specie, raw ore pellets, or untracked trade tokens passed hand-to-hand.
      • No municipal sales taxes or official records exist, but the buyer receives no warranties regarding structural integrity or latent curses.
    • Purchasing Price:
      • Prices fluctuate wildly based on immediate leverage. If a scavenger needs to liquidate plunder quickly to evade city watch patrols, the guard can be acquired for 100 to 125 silver coins.
      • If an unregistered deserter, outlaw, or subterranean marauder urgently needs caudal protection and ballast to navigate slick, flooded bypasses, the fence will inflate the price to 230 to 290 silver coins.
    • Selling Mechanics and Payout:
      • Illicit fences purchase gear without questioning removed serial stamps or lineage markings.
      • Sellers receive untraced cash payouts typically ranging from 40 to 55 silver coins, depending on the fence’s immediate access to buyers operating outside municipal jurisdictions.

Tactical
Environmental Roleplay: Defensive and Offensive Applications of the
Segmented Basalt Tail Guard 518

• Subterranean Burrows and Catacomb Vaults beneath Syl-Kar:
  • Defensive Applications:
    • In the cramped, jagged mining galleries of the Lower Burrows, crawling or squeezing through partially collapsed ore chutes exposes the trailing tail to constant hazards. The six overlapping basalt shingles form an impenetrable dorsal shield against jagged slate flakes, falling mine-cart rails, and ceiling spall, deflecting razor-sharp rock shards harmlessly over the curved stone plates and preventing deep lacerations to the avatar’s caudal scales and muscular tail core.
    • In low-clearance tunnels where subterranean predators—such as blind tunnel-eels, cave scorpions, or burrowing troglobites—stalk explorers from their rear blind spots, attacks directed at the trailing appendage strike hard volcanic stone instead of vulnerable flesh. The felted wool lining and pivoting bronze hinge pins dissipate incoming kinetic force laterally along the curvature of the shingles, eliminating bone-bruising and preventing tail paralysis.
    • When crossing fractured stone catwalks spanning bottomless chasm shafts, the Caudal Gyro-Ballast passively aligns with the scholar’s inner ear and spinal dynamics. The concentrated weight of the basalt plates lowers the avatar’s center of gravity, counteracting the aerodynamic draft from ventilation flues and dampening rotational body sway to ensure steady footing across damp, algae-slick masonry.
    • The dense crystalline structure of the basalt conducts low-frequency strata vibrations directly into the tail’s nerve roots. The scholar passively senses the approach of heavy burrowing predators, subterranean steam surges, or shifting fault lines through solid rock floors up to 20 feet away, providing crucial seconds to raise defensive wards before an ambush breaches the chamber.
  • Offensive Applications:
    • In tight, four-foot-wide transit adits where turning to swing a pick or draw an arbalest is physically impossible, the avatar activates the Kinetic Whiplash Sweep. Pivoting slightly at the hips, the scholar lashes the tail across the floor in a low 180-degree arc; the basalt segments momentarily lock into a rigid bludgeon via geomantic tension, striking with the full kinetic momentum of the avatar’s 365-pound mass to sweep the legs out from under pursuing scavengers and crush carapaces against the tunnel walls.
    • Confronted by sealed masonry bulkheads or suspected false walls in unmapped vaults, the avatar executes the Resonant Ground-Thrum (Bedrock Ping). Striking the bronze terminal ring down onto contiguous floor flags sends an acoustic pulse through the bedrock in a 30-foot radius, illuminating concealed pit-traps, hollow wall caches, and secret drainage crawlways in glowing vector lines within the scholar’s Mind’s Eye.
    • In close-quarters grappling within confined crawlspaces, the avatar uses the tail’s unarmored prehensile tip to wrap around an adversary’s ankle or neck, while driving the hard basalt shingles and rounded bronze terminal ring into their torso or knee joints as a crushing lever.
• Mist-Veil Mountains and Alpine Scree Slopes of the Boreal Reach:
  • Defensive Applications:
    • Ascending the shifting scree fields and frost-sheathed switchbacks of the Boreal Reach subjects the traveler to unpredictable sliding hazards. The basalt guard acts as a heavy physical ballast; when loose shale gives way underfoot, the avatar drives the armored tail down into the gravel, using the rigid basalt shingles as a stabilizing drag-anchor that arrests downhill slides without shredding soft scales.
    • When negotiating windswept, knife-edge precipices buffeted by erratic mountain gales, the Caudal Gyro-Ballast shifts its inertia automatically to offset sudden gusts, preventing the seven-foot scholar from being thrown off balance over sheer drops.
    • Against diving alpine raptors, crag-drakes, or manticores that drop from overhead thermal updrafts to rake their talons across the traveler’s rear flank, the curved basalt plates intercept descending talons, turning lethal slashing attacks into glancing blows that skip off polished volcanic rock.
  • Offensive Applications:
    • When pursuing bandits or rival mountaineers attempt to ascend narrow cliff paths below the avatar, the scholar swings the armored tail in a sweeping low arc across loose scree fields, dislodging bushels of sharp shale and heavy rocks down the incline to blind, stagger, or sweep climbing pursuers off the rock face.
    • If forced into melee along two-foot ledge trails, the avatar uses the Kinetic Whiplash Sweep to undercut an enemy’s footing, slamming the weighted bronze terminal cap into the opponent’s ankles or knees to send them tumbling over the cliff edge while the scholar’s low-slung mass remains firmly rooted to the mountain rock.
    • By striking the terminal ring against alpine bedrock using the Resonant Ground-Thrum, the avatar assesses the structural integrity of hanging snow cornices, glacial ice shelves, and fragile rock bridges ahead, deliberately locating fracture lines to trigger controlled rockfalls onto enemy encampments below.
• Primordial Rootwood Forests and Canopy Settlements:
  • Defensive Applications:
    • Traversing wet, moss-covered canopy suspension bridges and rope walkways thousands of feet above the jungle floor requires flawless balance. The basalt guard’s low-slung mass dampens the lateral wobble of swaying wooden suspension spans, preventing rotational vertigo during high-altitude crossings under heavy wind.
    • While moving through dense undergrowth along the forest floor, the tail frequently drags across ironwood thorn-briars, saw-grass, and venomous stinging nettles. The overlapping basalt plates form an impenetrable barrier, parting razor-sharp vegetation without snagging or allowing toxic botanical spines to puncture the ventral scales.
    • In encounters with canopy constrictors or predatory strangler vines dropping from overhead branches to wrap the waist and tail, the rigid stone shingles resist crushing inward, preventing suffocating constriction around the caudal vertebrae and giving the scholar time to sever the coils with a chisel-pick.
  • Offensive Applications:
    • In arboreal platform skirmishes, the avatar unleashes the Kinetic Whiplash Sweep to shatter wooden guardrails, snap support struts, or sweep hostile tree-skirmishers off high platforms into the deadly drop below.
    • When navigating hollow ironwood trunks or wooden ropeways, striking the terminal bronze ring with the Resonant Ground-Thrum reveals hollow rot pockets, internal termite galleries, and concealed branch snares, allowing the scholar to navigate sound structural timbers while luring pursuers onto compromised, brittle limbs.
    • In dense brush, the scholar uses the armored tail as a clearing scythe, thrashing through heavy undergrowth to establish clear firing lines for companions without dulling hand-held bladed weapons.
• Sunken Glades and Brackish Wetland Marshes:
  • Defensive Applications:
    • Wading through the waist-deep lagoons, mangrove mazes, and corrosive sulfur mud of the Glade Coast leaves the trailing tail submerged and out of sight. Predatory snapping turtles, giant lungfish, and venomous marsh-eels striking from the dark silt bottom bite directly into the basalt shingles, shattering their teeth against volcanic stone while the thick felt lining dampens the crushing impact.
    • The volcanic basalt and bronze hinge pins are naturally resistant to chemical degradation, preventing the acidic marsh water and sulfur vapors from rotting the joints or causing galvanic rust, ensuring the tail guard articulates smoothly even after days in salt-water estuaries.
    • When wading through deep, sucking mud that threatens to trap the avatar’s clawed feet, the unarmored prehensile tip of the tail works unimpeded behind the guard to probe for submerged root networks and solid coral shelves, while the armored medial sections push through submerged snags without snagging or bruising.
  • Offensive Applications:
    • Submerged in murky delta waters, the scholar executes the Resonant Ground-Thrum against underwater stone ruins or sunken basalt dikes, sending acoustic shockwaves through the water column to reveal submerged sluice channels, hidden underwater entryways, and the positions of ambush predators buried in the river silt.
    • In shallow-water combat against swamp-raider pirogues or war-canoes, the avatar triggers the Kinetic Whiplash Sweep beneath the waterline. The heavy stone-plated tail slams violently into the cedar hull of an adjacent canoe, staving in the planks or capsizing the light vessel to dump armored raiders into the predator-filled mud.
    • When grappled by aquatic predators below the surface, the avatar utilizes the weighted bronze terminal ring as an underwater club, driving the blunt cap into the gills or eyes of the beast to break its grip.
• Urban Industrial Megacities and Steam-Tram Corridors of Syl-Kar:
  • Defensive Applications:
    • Operating within the crowded rail depots, stamping mills, and multi-tiered industrial canyons of Syl-Kar presents constant heavy machinery hazards. Swinging boiler chains, shifting ore-hopper doors, and moving tram wheel trucks glance off the basalt tail shingles, preventing traumatic tail crushing that would permanently cripple a Karthian worker.
    • In crowded municipal tenements, dense market crowds, and narrow alleys, the tail guard protects against back-alley ambushes. Slashing razor blades, bludgeoning saps, and throwing knives launched from the rear bounce off the curved basalt plates, neutralizing surprise assaults from trailing cutpurses.
    • When mounting rapidly moving steam-trams or negotiating grease-coated iron stairways leading to high furnace decks, the Caudal Gyro-Ballast neutralizes sudden mechanical jolts, keeping the avatar firmly upright on steel deck plating.
  • Offensive Applications:
    • In narrow urban back-alleys hemmed in by brick tenement walls, the scholar activates the Kinetic Whiplash Sweep. The armored tail cracks like a whip across the cobblestones, shattering the shins and knees of closing enforcers or knocking over stacks of iron shipping crates to bury pursuers beneath industrial cargo.
    • During municipal inspection raids against illicit tenement workshops, the avatar strikes the terminal ring against the paved basalt streets with the Resonant Ground-Thrum, mapping illegal basement excavations, subterranean escape conduits, and hollow brick storage vaults hidden beneath the street paving.
    • In close-quarters indoor brawls where drawing long tools is restricted by low ceilings and pipework, the avatar uses the armored tail as a rear-guard battering ram, thrusting the bronze terminal ring backward to smash through locked wooden doors, shatter iron padlock shackles, or break free from rear grappling holds.

Perception
of Activation:

• User’s Perspective:
  • Somatic and Tactile Sensations: Upon completing the sixty-second attunement period or tightening the four ventral girth-straps, a firm, enveloping pressure grips the dorsal ridge and lateral flanks of the tail. The thick wool-felt lining compresses against the scales, cushioning the hard stone shingles and absorbing surface friction. The six curved basalt segments flex with a synchronized, ripple-like articulation, settling into a flush, nested posture that tracks the natural curves of the tail. A pronounced downward ballast centers along the proximal third of the appendage, pulling the avatar’s center of gravity lower and grounding the pelvic hips firmly into the floor.
  • Auditory and Vibrational Sensations: The avatar hears a dull, metallic snick-click as the bronze buckle tongues settle into the strap holes, followed by the muffled clack-slide of basalt plates gliding over bronze hinge pins. A deep, rhythmic subterranean thrum—reminiscent of heavy tectonic plates shifting or the sub-audible drone of an underground river—resonates directly through the caudal vertebrae, vibrating upward into the sacrum and soles of the feet with a steadying, calming cadence.
  • Olfactory and Gustatory Sensations: The forked tongue and nasal passages detect a dry, mineral scent of crushed volcanic ash, cooled basalt slag, and lanolin-rich wool felt, cut through with the sharp, oily tang of neatsfoot dressing on the girth-straps. A faint taste of cold slate and iron filings lingers on the palate, replacing the stale, sulfurous drafts of deep mining shafts.
  • Extra-Sensory Perception — Item Structural Telemetry: The avatar’s Mind’s Eye displays a real-time status projection of the guard’s structural matrix. The assembly registers precisely at 33 out of 33 Item Health Points, its base resilience confirmed at 10, and its defensive contribution locked at +1 Armor Check. The internal stress load of each individual basalt shingle and the pivot friction across the bronze pins are perceived as an interconnected network of steady, unbroken green vectors.
  • Extra-Sensory Perception — Low-Frequency Strata Sense: The basalt shingles act as acoustic lithic receivers, granting the avatar an intuitive, tactile awareness of bedrock vibrations. Micro-tremors, shifting mortar lines in stone arches, falling water drops, and the scuttling footsteps of subterranean tunnel predators within a 20-foot radius register as distinct physical pulses vibrating along the dorsal tail ridge, mapping the surrounding terrain even in pitch-black corridors.
  • Extra-Sensory Perception — Caudal Gyro-Ballast Alignment: The avatar experiences an expanded proprioceptive alignment connecting their inner ear and spinal fluid dynamics directly to the bronze counter-weight ring at the tip of the guard. The mind intuitively calculates balance vectors, momentum distribution, and tilt angles, treating the weighted tail as an active kinetic gyro that pre-emptively counters centrifugal sway before a slip or stumble can occur.
  • Extra-Sensory Perception — Geomantic Resonance Potential: The avatar perceives the latent magical force coiled within the volcanic stone and terminal bronze cap. The system hums with stored kinetic energy, intuitively signaling that the Resonant Ground-Thrum and Kinetic Whiplash Sweep matrices are primed, charged, and ready for immediate discharge against stone surfaces or approaching hostiles.

• Observer’s Perspective:
  • Visual Manifestations: Observers see the six dark, porous basalt shingles ripple in a fluid cascade down the length of the avatar’s tail, interlocking into a tight, overlapping carapace. A faint, smoldering amber-red glow flares momentarily along the narrow joints between each stone segment and through the porous vesicles of the volcanic rock, resembling cooling embers within a smith’s hearth, before dimming into a faint, warm phosphorescence. The bronze terminal counter-weight ring emits a momentary golden ring of light as the grounding field locks in place.
  • Auditory Manifestations: Bystanders hear the synchronized metallic clatter of bronze hinge pins seating, followed by the heavy creak of pressurized leather. The usual abrasive sound of scaled tail-skin dragging across gravel or rock flagstones is instantly eliminated, replaced by a dull, muffled tap whenever the felt-lined bronze terminal ring brushes the floor.
  • Kinetic and Atmospheric Shifts: A faint ring of fine shale dust puffs outward from the avatar’s tail tip as the ballast establishes balance. The avatar’s physical posture visibly lowers and widens by an inch, settling into a deliberate, unyielding stance. Observers standing close sense a momentary electrostatic dry chill, accompanied by a faint subterranean rumble passing through the floor beneath their boots.

• Positives of Activation:
  • Rear Quadrant and Caudal Defense: Verifies the immediate activation of +1 Armor Check and 33 Item Health Points, protecting the vulnerable caudal vertebrae, major blood vessels, and dorsal nerve cords from rear ambushes, bludgeoning weapons, and falling roof spall.
  • Dynamic Gyroscopic Stability: Dampens lateral rotational sway across slick rock, grease-covered catwalks, narrow ledges, and swinging suspension bridges, granting substantial passive protection against trips, slips, and forced knockdowns.
  • Passive Seismic Awareness: Detects approaching burrowing troglobites, shifting rock strata, and structural collapses through solid bedrock up to 20 feet away without requiring visual line of sight.
  • Kinetic Shock Dispersion: The combination of felted wool and pivoting bronze pins redirects incoming blunt impacts laterally around the curved shingles, preventing vertebral bone bruising, tail paralysis, or nerve deadening.
  • Immediate Tactical Utility: Integrates the tail directly into the avatar’s combat repertoire, allowing instantaneous deployment of the Resonant Ground-Thrum for subterranean mapping and the Kinetic Whiplash Sweep for close-quarters crowd control without taking hands off primary tools or weapons.

• Negatives of Activation:
  • Rotational Inertia and Mass Burden: Adds 7 pounds of dense stone and bronze to the tail appendage; while stabilizing when grounded, this added mass increases rotational inertia, demanding greater physical effort when executing rapid acrobatic leaps, climbing rope ladders, or swimming against strong currents.
  • Subterranean Stealth Signature: The soft amber glow pulsing through the basalt pores and the subtle seismic hum conducted through the rock floor can be detected by light-sensitive or tremor-sensing subterranean predators in pitch-black environments.
  • Ventral Scale Compression: The constant inward tension of the four leather girth-straps beneath the tail’s ventral plates can cause mild chafing and scale irritation during long, uninterrupted marches, requiring periodic strap adjustment.
  • Restricted Caudal Articulation: The rigid basalt shingles prevent the proximal and medial portions of the tail from curling into tight loops or executing fine prehensile wraps, restricting delicate grasping tasks strictly to the unarmored terminal tip.

Crafting
Recipe: Segmented Basalt Tail Guard

• Materials Needed:
  • Quarried Vesicular Basalt: One dense block of iron-bearing, fine-grained volcanic basalt harvested from dormant hydrothermal chimneys (such as those beneath the Iron Sump), free of macroscopic quartz fault lines and capable of being ground into resilient, curved shingles.
  • Bronze Foundry Stock and Hardware:
    • Five precision-drawn bronze hinge pins with slotted cotter ends.
    • One cast bronze hemispherical terminal cap fitted with an integrated, solid-cast counter-balance ring.
    • Four miniature single-tongue bronze roller buckles.
    • Sixteen copper-alloy split rivets with soft lead cushioning washers.
  • Felted Mountain-Sheep Wool: Two dense sheets of carded, lanolin-rich felted wool, four millimeters thick, boiled to achieve maximum density for shock absorption and friction dampening along the dorsal scales.
  • Treated Ventral Leather Strapping: Four narrow strips of oil-cured cowhide or dire-boar belly leather, dressed with neatsfoot oil and beeswax to resist moisture rot and prevent ventral scale chafing.
  • Alchemical Bonding Mastic: Half a pint of reduced pine pitch blended with volcanic ash, pulverized iron filings, and powdered slate, serving as an adhesive and magical conductor.
  • Sacrificial Protective Armor (Component Ingredient): One piece of mundane or battle-worn Tier 1 protective armor (such as segmented greaves, an iron-plated vambrace, or reinforced scale leg-guards), which is dissolved and completely consumed during the assembly ritual to transfer its latent structural resilience into the guard.
  • Tier 1 Magic Crystal Catalyst: One intact, fully charged magic crystal approximately the size and weight of a standard silver coin, harvested from a slain creature or purchased from an assayer, serving as the harmonic anchor for the ballast stabilization and seismic resonance enchantments.
• Tools Required:
  • Lapidary Masonry Kit: Corundum-tipped stone saws, curved diamond rasps, treadle-powered wet grinding wheels, pumice polishing blocks, and a hand-drill with tempered masonry bits.
  • Bronze-Smithing Tackle: A bench anvil, ball-peen assembly hammer, cold chisels, pin-drifts, polishing rouge, and a small charcoal brazier.
  • Harness and Leatherworking Tools: Rotary hole punches, stitching awls, leather shears, harness needles, and edge-burnishing bones.
  • Anatomical Alignment Jig: A curved wooden tail trestle sized to the avatar’s specific caudal dimensions, fitted with screw clamps to hold stone segments in alignment during pinning.
  • Epigraphic Inscription Stylus: A tempered steel scribe calibrated with fine Syl-Trace gradations and brass measuring calipers.
• Skill Requirements:
  • Lapidary Stonemasonry: Minimum of 4 trained skill points to cut, hollow, and bevel the brittle volcanic basalt into thin, interlocking curved shingles without inducing hairline cleavage fractures.
  • Blacksmithing and Bronze-Casting: Minimum of 3 trained skill points to turn hinge pins, fit the counter-balance terminal cap, and peen bronze hardware without cracking the adjacent stone.
  • Harness-Craft and Leatherworking: Minimum of 2 trained skill points to cut, bevel, and rivet the four ventral girth-straps to ensure non-chafing scale contact.
  • Syl-Rune Inscription / Geomantic Ensorcellment: Minimum of 3 trained skill points to engrave the kinetic dissipation channels across the basalt shingles and anchor the seismic resonance matrix.
  • Mind’s Eye Diagnostic Proficiency: Capability to monitor mana circulation during the sacrificial transference, verifying the binding of the +1 Armor Check rating, 10 base resilience, and 33 Item Health Points.
• Crafting Steps:
  • 1. Caudal Mapping, Shingle Profiling, and Hollowing:
    • Measure the avatar’s tail from the proximal base down the medial section using brass layout calipers, recording the natural downward taper across forty-eight inches.
    • Saw the basalt block into six rectangular blanks of progressively decreasing width and length.
    • Carve the underside of each basalt blank into a smooth, concave arch matching the curve of the avatar’s dorsal caudal scales, hollowing the stone thin enough to reduce weight while maintaining crystalline structural rigidity.
    • Bevel the anterior and posterior margins of each segment so that when placed in series, the anterior lip of each plate underlaps the posterior edge of the preceding segment by a quarter of an inch, allowing unobstructed upward and lateral flexion.
  • 2. Hinge Bore Drilling and Edge Finishing:
    • Mount the six hollowed basalt shingles in sequence on the wooden tail jig.
    • Drill matching transverse pivot bores through the lateral overlap ears of adjacent segments using the hand-drill and water-lubricated corundum bits.
    • Smooth all interior and exterior stone faces using wet grinding stones, finishing with pumice blocks to remove tool marks and eliminate sharp edges that could tear straps or felt backing.
  • 3. Bronze Terminal Cap and Pin Fabrication:
    • Cast or turn the rounded bronze terminal endcap, ensuring its hollow socket matches the dimensions of the sixth (smallest) basalt segment.
    • Form the integrated bronze counter-balance ring at the apex of the cap, calibrating its solid weight to act as the distal ballast anchor.
    • Turn five bronze hinge pins to fit the drilled lateral stone bores, cutting split-cotter slots at the pin ends.
    • Forge four miniature single-tongue bronze roller buckles, deburring the frames and tongue tips.
  • 4. Sacrificial Transference and Catalyst Alignment:
    • Place the sacrificial protective armor in a stone transmutation basin alongside the coin-sized Tier 1 magic crystal.
    • Heat the alchemical bonding mastic in a crucible until liquefied, blending it with fine iron powder.
    • Channel mana through the Mind’s Eye to initiate the dissolution ritual, focusing the sacrificial armor’s latent defensive essence into the molten mastic.
    • Paint the warm, energized mastic along the inner concave face of all six basalt segments and around the socket of the bronze terminal cap, allowing the stone to absorb the transferred defensive resilience.
  • 5. Felt Lining Integration and Segment Assembly:
    • Cut six matching panels from the dense felted wool, sizing each to line the underside of a basalt segment with a slight outward margin to buffer scale contact.
    • Press the felt panels firmly into the warm mastic-coated interiors of the stone shingles, clamping them until the resin cures into an immovable, cushioned bond.
    • Align the six segments in descending order on the assembly jig.
    • Insert the five bronze hinge pins through the lateral stone bores, placing lead cushioning washers between the stone surfaces.
    • Spread the split ends of the bronze pins using the drift and ball-peen hammer, locking the six segments into a flexible, articulated carapace that flexes without binding.
    • Seat the bronze terminal cap onto the final basalt segment, riveting it through pre-drilled holes with lead-buffered copper rivets.
  • 6. Ventral Girth-Strap Tailoring and Riveting:
    • Cut four matching sets of leather girth-straps from the oil-treated hide, sizing them to wrap around the ventral side of the tail at segments one, two, four, and five.
    • Rivet the buckle-ends of the straps to the left lateral skirts of the designated basalt shingles using split rivets and lead washers peened flat against the felt interior.
    • Rivet the corresponding tongue-straps to the right lateral skirts of the same shingles.
    • Punch five adjustment holes into each tongue-strap, spacing them a half-inch apart to permit variable tension across changing scale conditions.
  • 7. Epigraphic Inscription, Resonance Binding, and Calibration:
    • Using the tempered steel scribe, engrave linear Syl-Rune flow vectors along the exterior dorsal spine of each basalt segment, terminating the channels at the bronze counter-weight ring.
    • Seat the attuned Tier 1 magic crystal into a recessed, mastic-sealed cavity hollowed within the underside of the third segment.
    • Trace the seismic harmonic glyphs around the perimeter of the terminal ring, linking the stone’s crystalline lattice to the crystal core to empower the Resonant Ground-Thrum and Kinetic Whiplash Sweep matrices.
    • Allow the completed assembly to cure undisturbed for twelve hours on the alignment jig.
    • Activate the Mind’s Eye to confirm the telemetry: verify the item registers an Armor Check value of +1 AC, an item resilience of 10, and a structural health pool of 33 Item Health Points.
    • Fit the guard to the avatar’s tail, buckle the four ventral straps, and complete the sixty-second attunement period to harmonize the gyroscopic balance and strata-sense connection.

Six
Stony Shells Which Clasped Steering-Rudder of Stone-Dragger
Copied
from a Cracked Slate in the Dry Sump of the Black Vents by the Scribe
Who Knew Little of the Old Claws

In the seasons when the Second Bringing-Together was yet fresh upon the ledger-slates, and the high-roofed burrows of Syl-Kar reached their digging-claws toward the burning chimneys of the Iron Sump, great was the weeping among the masonry kin of the Four-and-Eighty and Six Hundred. For the rock of that deep place was not cool and quiet like the stone of the surface hills, but was swollen with boiling humors, foul sulfur-vapors, and steam-flues that did spit white grease across every narrow footpath.

In those dark days, many a stone-carver and line-drawer of sixty-and-ten stones’ weight [translator note: an ancient measure denoting the heavy three-hundred-and-sixty-pound mass of the dragon-folk] did tumble from the high hanging scaffoldings into the boiling vats below. For the tail of the earth-crawler is not merely an idle brush to flick away flies; it is the third pillar of his walk, the dynamic rudder of his balance, and the great weight-swing that keepeth his heavy snout and chest from pitching into the abyss when the ledge is no broader than a baker’s shovel. When the surveyors went upon the greasy catwalks of the Lower Sluices, the falling flakes of hot shale from the roof would rain down upon their trailing hind-parts. If but a single sharp flint did cut the great muscle of the tail-root, the appendage would cramp and turn cold like a dead snake, and the surveyor, losing the ballast of his stride, would spin like a blown leaf and crash into the boiling sludge.

Moreover, there lived within the unmapped steam-flues a creeping devil known in the old tongue as the Blind Slag-Gnasher—a great crawling leech-beast with four hundred hook-claws and jaws of barbed horn, which did not hunt the face of a man, but crawled behind in the warm water, striking silently at the soft scales of the trailing tail, dragging the screaming builders backward into the choking vents before their iron picks could be turned.

Then arose an elder of the chisels, named Jur-Kalon the Low-Headed, whose back was curved like a river-boulder and whose tail was four full paces of knotted sinew. Jur-Kalon had seen three brother-surveyors pulled into the black flues, and his own tail bore twelve white scars from falling roof-slate, so that he walked with a halting tilt like a dray-wagon with an oval wheel. Jur-Kalon stood before the Chief of the Public Works and spat black grit upon the flags, saying: “The council hath given us helmets of boiled horn for the brow, and greaves of hammered brass for the shins, yet the rudder of our living house draggeth naked in the dirt. We leave the anchor of our soul to be chewed by the vermin of the sump, and then we wonder why our bodies break upon the floor.”

So Jur-Kalon departed the upper street and climbed down into the Dead Vent, where the old fire-mountain had long ago choked upon its own vomit. There did he seek the black stone which the earth-fire had blown full of tiny froth-holes [translator note: the sign denoteth porous volcanic basalt, which the ancient writer calleth the black bread-stone of the abyss]. This stone was hard as the tooth of an elder drake, yet it was not heavy like pure bog-iron, for the breath of the volcano was frozen inside its little chambers.

With iron wedges and baths of cold brine, Jur-Kalon quarried a long pillar of the black rock. He carried it upon his shoulder to the water-wheels of the lapidaries, and there, beneath the grinding wheels of wet corundum, he sawed the pillar into six broad tiles. Each tile he scooped out with a curved hand-adze until its belly was hollow like the underside of a river-canoe, so that it might sit over the dorsal ridge of the tail without pinching the upright bone-spines. The outer sides he ground into sloping roofs, that any falling boulder dropping from the ceiling might slide off to the left or to the right, finding no flat purchase to crush the bone beneath.

He ground the tiles so that each was smaller than the one that went before it, matching the taper of the living limb. Through the overlapping ears of the six stones he drilled twelve straight holes with a bow-drill tipped with diamond dust. He went unto the brass-casters and said: “Give me not brittle yellow brass that breaketh like dried macaroni, but give me the red bronze that hath been fed with tin and lead, which bendeth and singeth under the hammer without cracking.”

From this red bronze he drew five long hinge-pins with split ends, and with them he joined the six basalt shingles in a line. And lo! When the first tile was raised, the second and third did follow with a smooth, rippling grace, like the joints of a river-centipede, allowing the whole engine to bend and sweep sideways without catching or jamming.

Yet Jur-Kalon knew that if hard stone be bound directly against naked scales, the stone will eat the skin during forty hours of walking. Therefore did he buy the wool of the high mountain sheep—not the clean, combed fleece of the coat-makers, but the greasy, dense, lanolin-soaked belly-felt that hath been boiled in lye until it is stiff as a boot-sole. This felt he glued into the concaves of the six stones with the boiled blood of pine trees, making a cushion that drank all vibration. Beneath the tiles he hung four broad bands of bull-hide, dressed with grease, each having a red bronze tongue-buckle, to cinch around the soft belly of the tail where the scales are pale and tender.

At the very end of the sixth tile, where the tail narroweth toward its prehensile tip, he bolted a solid cap of red bronze, shaped like the half of an egg, and upon its crown he cast a heavy ring of solid metal. When his apprentices laughed and asked: “Why hangest thou a brass ring upon the tip of thy rudder, Master, seeing that a tail is heavy enough without carrying kettle-metal?” Jur-Kalon answered them: “The bell that hath no clapper maketh no sound, and the plumb-line that hath no lead leadeth the mason into the ditch. This ring is the earth-weight; it draweth the balance of the whole body downward into the heels, so that when the head leaneth into the chasm, the tail keepeth the heart upon the ledge.”

Then did Jur-Kalon take an old greave from a fallen soldier, which was dented with sword-gashes, and he took a clear stone that held the sunlight inside itself [translator note: a common magic crystal of the first circle]. He placed them in a pot of burning pitch and spoke the unmaking-words, until the metal of the soldier died and its invisible ghost-hardness fled into the six black basalt plates. And with an iron needle he scratched upon the bronze cap the sign Five-Hundred and Eighteen, which was its number in the storehouse of the Second Burrow.

Jur-Kalon buckled the four straps beneath his caudal limb. The buckles snapped shut like the jaws of water-frogs; the six basalt shingles slid over his ridge like a second skin of rock; and the bronze ring swung two inches above the pavement.

Immediately, a great silence fell upon his gait. The dragging scrape of his tail-scales across the sharp gravel was heard no more; only the soft, muffled kiss of the felt and the faint metallic chink of the red bronze pins sounded in the dark. Moreover, Jur-Kalon felt his great three-hundred-pound frame drop into the stone; it was as if his feet were no longer perched upon the rock, but had grown roots of lead that tied his hip-bones directly into the deep strata of the world.

Then went Jur-Kalon alone into the Great Sluice-Gallery, where the steam was so thick that a torch could not show a man his own fingernails. He walked along the Hanging Ledge, which was a path carved into the side of the boiling pit, having a width of only two claw-breadths, with four thousand cubits of air and bubbling mud beneath it.

As he walked, a sudden tremor seized the bowels of the mountain—a sickness of the earth that shook the ceiling until the rock-ribs cracked. From the roof above, a jagged tooth of granite, weighing as much as three full sacks of grain, broke loose and fell straight down like a dropped anvil through the steam.

The granite tooth struck not his head, for he was bent low; it struck squarely upon the third segment of the basalt tail guard.

Any other builder would have had his tail severed, his hips broken, and his footing lost. But the basalt shingle, shaped like an arched drain-tile, took the falling granite upon its curvature. The greasy sheep-felt beneath drank the shock; the red bronze pins held their sockets; and the sliding face of the volcanic stone deflected the granite tooth sideways, sending it bounding off into the dark chasm with an angry scream. Jur-Kalon felt only a dull, warm press against his scales, as when an old ox rubbeth its shoulder against a barn-post. His tail was not broken; its low ballast shifted with the jolt, and he stood fast upon the greasy path, his balance unbroken.

Yet while the steam was still swirling from the fall of the rock, there came a wet hiss from behind.

The Blind Slag-Gnasher, drawn by the shaking of the stone, had climbed from the sulfur-sink. Seeing the broad, dark back of Jur-Kalon upon the narrow path, the beast lunged with its thousand hooks, its horned jaws opening wide as a wash-tub to bite through the meat of his hindquarters.

Jur-Kalon saw not the monster with his eyes, for his face was turned toward the wall. Yet the basalt plates upon his tail were not dead stone; they were the children of the volcanic chimney, and they felt the trembling of the rock floor through the red bronze cap. Through the caudal spine of Jur-Kalon there shot a sharp, cold singing—the stone-hearing which warneth the snake when the horse approacheth.

Without turning his head, Jur-Kalon set his front claws into the granite wall. He struck the bronze counter-weight ring against the stone flags beneath him, shouting the earth-cry of the Forty-Eighty lineage.

The six basalt plates locked their edges together through the power of the bound crystal, turning from a loose chain of tiles into a single, curved beam of solid basalt, stiff as the timber of a catapult.

Jur-Kalon unleashed the great hip-muscle of his tail. He swept the appendage backward through the gray fog in a flat, violent circle, swinging the seven pounds of volcanic stone and red bronze with the whole leverage of his three-hundred-pound body.

The bronze counter-weight cap struck the horned skull of the Slag-Gnasher with a sound like a blacksmith’s sledge hitting an iron anvil.

The horn-plates of the monster’s head were crushed like dried clay. Its hundred hook-claws tore free from the masonry, and it was thrown sideways off the narrow shelf, turning three times in the heavy steam before plunging into the boiling grease of the sump, never to crawl the high catwalks again.

Jur-Kalon stood alone in the mist. His tail unlocked its stone shingles; the basalt plates slipped back into their loose, rippling rest; and the bronze ring gave forth a clear, sweet chime against the floor, like a temple bell signaling the end of the evening prayer.

For eight-and-twenty years thereafter, Jur-Kalon walked the wet conduits of the Lower Aqueducts, and no stone ever cast him down, nor did any beast of the sumps ever drag him backward. When his eyes grew white with cataracts and his hands could no longer hold the chisel, he went before the council of the city and laid the Six-Plated Guard upon the cedar table, charging that it be entered into the books as a true pattern for all who should go down into the slippery places of the world.

Moral of the story: The proud warrior polishes the sword that strikes before him and clothes the chest that faces the sun, but the wise builder remembers that ruin walks behind in the shadow; for he who leaves his rear appendage without stone and ballast shall find that a single wounded tendon in the heel or tail will bring the grandest crown tumbling into the muck.

Suggested
conversions to other systems:

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Call of Cthulhu (7th Edition)

Basalt Caudal Guard 518

• Item Classification: Archaic Caudal Armor and Subterranean Ballast Rig.
• Armor and Damage Protection:
  • Provides 1 point of armor to the tail, pelvic spine, and rear quadrant.
  • When optional hit location rules are used and an attack targets or randomly strikes the lower rear torso, tail, or legs, reduce incoming physical damage (bludgeoning, piercing, or slashing) by 1 point before applying damage to Hit Points.
  • Completely negates tail bone-bruising, structural crushing, and nerve-deadening caused by falling roof spall, falling stones, or low-ceiling impacts.
• Anatomical Fitting and Physical Profile:
  • Weight: 7 pounds.
  • Structure: Six overlapping shingles of vesicular volcanic basalt lined with boiled sheep-felt, articulated on five bronze hinge pins, and secured by four ventral leather girth-straps terminating in a weighted bronze ring.
  • Anatomical Requirement: Engineered specifically for a non-humanoid or draconic entity possessing a three- to five-foot muscular tail. If adapted for a human investigator, it must be strapped along the lower spine and pelvis with a successful Mechanical Repair or Art/Craft (Leatherworker/Blacksmith) check; failure to fit the rig properly imposes one penalty die on all Dodge and Stealth rolls due to shifting stone plates.
• Passive Tactical Features:
  • Caudal Gyro-Ballast: Lowers the wearer’s center of gravity and dampens lateral rotational sway. The wearer receives one bonus die on Climb, Jump, and DEX rolls made to maintain balance across narrow cave ledges, wet scaffolding, grease-slick masonry, or swinging suspension bridges, and on rolls to resist being tripped or knocked down.
  • Low-Frequency Strata Sense: Conducts seismic micro-vibrations through the basalt plates into the wearer’s nervous system. The wearer gains one bonus die on Listen or Spot Hidden rolls to detect the subterranean movement of burrowing entities, approaching tunnel predators, steam surges, or shifting fault lines through solid rock within 20 feet, even in total darkness.
• Active Occult Mechanics:
  • Resonant Ground-Thrum (Bedrock Ping): The wearer expends 1 Magic Point (MP) to strike the bronze terminal ring firmly against contiguous stone. A low-frequency acoustic sonar wave radiates through the bedrock in a 30-foot radius. For 1 minute, the wearer automatically locates hollow wall chambers, concealed pit-traps, and secret masonry crawlways within the stone. This ability may be invoked twice per day.
  • Kinetic Whiplash Sweep: Once per combat round, the wearer may spend an action or counter-attack reaction to swing the armored tail in a sweeping low arc. The tail functions as a blunt weapon (Skill: Fighting [Brawl], Damage: 1D6 + Half Damage Bonus). If the attack achieves a Hard or Extreme success, a target of equal or smaller Build is knocked prone.
• Sanity Implications:
  • Examining the tailored non-human caudal ergonomics, volcanic runes, and ancient municipal inventory markings of Syl-Kar triggers a 0/1 Sanity check.

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Blades in the Dark

The Basalt Caudal Rig

• Item Classification: Fine Personal Armor and Subterranean Ballast Rig (Load: 1).
• Tier and Quality: Tier II Quality Archaic Equipment.
• Item Profile: Six curved, overlapping shingles of dark volcanic basalt backed by dense boiled wool felt and linked with bronze hinge pins. Fitted to the wearer’s tail with four ventral leather straps and finished with a solid bronze counter-balance ring.
• Special Armor:
  • Caudal Shell & Ballast: You may mark the item’s Special Armor box to completely resist physical Harm to the lower body, spine, or tail caused by falling ceiling stone, rear ambushes, or animal bites, OR to completely resist being knocked off balance, tripped, or thrown from a high ledge without spending Stress.
• Passive Tactical Features:
  • Dynamic Gyro-Ballast: The low-slung weight stabilizes the wearer’s center of mass. You gain Potency on Prowl and Finesse actions taken to sprint across grease-slick catwalks, maintain balance on narrow beams, or cross unstable suspension cables without losing footing.
  • Seismic Strata Sense: The basalt shingles act as acoustic receivers for vibrations passing through solid stone. You gain +1d to Survey actions when detecting subterranean movement, locating nearby underground tremors, or sensing approaching burrowing hostiles through solid masonry.
• Active Mechanical Capabilities:
  • Resonant Ground-Thrum: Push yourself (spend 1 Stress) and strike the terminal bronze ring against solid stone or masonry. You release an acoustic sonar pulse through the floor in a 10-pace radius, gaining Potency and +1d on Survey or Wreck actions to identify hollow wall caches, hidden drainage conduits, and structural stress fractures.
  • Kinetic Whiplash Sweep: During a melee engagement, push yourself (spend 1 Stress) to sweep the tail in a 180-degree low arc. The basalt plates lock rigid, delivering a heavy bludgeoning sweep with Great Effect to knock down or throw an opponent off their feet in close quarters.
• Narrative Complications:
  • Obvious, heavy subterranean construction. Strapping stone armor to an appendage makes stealthy movement across metal decking or marble floors difficult, risking increased Heat or complication consequences if clinking bronze pins alert guards.

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Dungeons & Dragons (2024 Edition)

Segmented Basalt Tail Guard 518

• Item Type: Wondrous Item (Tail)
• Rarity: Common (requires attunement by a creature with a tail)
• Weight: 7 lb.
• Physical Profile: Six curved, overlapping shingles of vesicular volcanic basalt lined with boiled wool felt, linked by bronze hinge pins, secured along the dorsal tail ridge with four ventral leather straps, and capped with a bronze counter-weight ring.
• Defensive Property:
  • While wearing this guard, you gain a +1 bonus to Armor Class against melee attacks originating from behind you and against hazard effects that deal bludgeoning or piercing damage from falling rocks, roof collapses, and rolling boulders.
• Passive Properties:
  • Caudal Gyro-Ballast: You have Advantage on Strength and Dexterity saving throws made against effects that would knock you Prone, shove you, or disrupt your balance on slippery surfaces, narrow ledges, and unstable suspension ropes.
  • Low-Frequency Strata Sense: While standing on solid rock, stone, or masonry, you gain Tremorsense out to a range of 20 feet, allowing you to detect shifting stone seams and the movement of creatures through contiguous bedrock without visual line of sight.
  • Vertebral Padding: You are immune to effects and injuries that would break, bruise, or paralyze your tail vertebrae.
• Active Properties:
  • Resonant Ground-Thrum: As an Action, you tap the bronze terminal ring against contiguous stone. An acoustic wave sweeps through the rock in a 30-foot radius. For 1 minute, you discern the exact location of hollow wall cavities, concealed floor pit-traps, and hidden secret doors built into stone surfaces within range. This property has 2 charges and regains all expended charges daily at dawn.
  • Kinetic Whiplash Sweep: As a Bonus Action, you sweep your tail in a 180-degree low arc. One creature within 5 feet of you must make a DC 13 Dexterity saving throw. On a failed save, the creature takes 1d6 + your Strength modifier bludgeoning damage and is knocked Prone. On a successful save, the creature takes half damage and isn’t knocked Prone. This property has 3 charges and regains all expended charges daily at dawn.

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Knave (2nd Edition)

Basalt Tail Carapace 518

• Item Slots: 1 Slot (worn along the tail or lower spine).
• Armor Value: Armor 1 (adds +1 to total Armor rating, or provides base Armor Defense 12 if worn alone without body armor).
• Durability and Quality:
  • Quality: 4/4.
  • When the wearer suffers direct damage from a falling rock hazard, landslide, or a rear bludgeoning attack, make an item check. If the check fails, the carapace loses 1 point of Quality. At 0 Quality, the bronze hinge pins shear and the basalt plates fracture, disabling its armor bonus, ballast properties, and special powers until repaired by a stonecutter or armorer.
• Passive Tactical Properties:
  • Low-Center Ballast: The wearer makes Strength and Dexterity saves with Advantage (roll 2d20 and take the higher roll) when resisting trips, shoves, falling prone, or maintaining balance on slippery rock ledges and grease-coated catwalks.
  • Lithic Vibration Sense: The wearer can detect footsteps, burrowing creatures, and structural shifts moving through solid stone floors up to 20 feet away, even in total darkness.
• Active Mechanical Capabilities:
  • Bedrock Ground-Thrum: Once per exploration Turn (10 minutes), the wearer strikes the bronze terminal ring against the floor to emit an acoustic pulse through the bedrock. This instantly reveals hollow wall compartments, concealed stone doors, and floor pit-traps within 30 feet.
  • Kinetic Tail Sweep: In combat, the wearer may make an unarmed melee attack with the armored tail (dealing 1d6 bludgeoning damage). On a hit against an opponent of human size or smaller, the target must make a Strength save or be knocked Prone.

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Fate

The Basalt Ballast Carapace 518

• Classification: Specialized Extra and Stunt Package (Tail Gear).
• Aspect Integration:
  • Dedicated Item Aspect: Articulated Volcanic Ballast of the Lower Aqueducts. This aspect may be invoked to steady footing across grease-slick catwalks, brace against cave-in debris, deliver a sweeping tail blow, or sense vibrations through solid rock; it can be compelled to represent the seven-pound ballast swinging unpredictably during acrobatic leaps, stone shingles scraping loudly against tight iron pipework, or tail fatigue during continuous marches.
  • Inherent Burden Aspect: Weighted Caudal Drag. Reflects the concentrated low-slung mass of volcanic rock, creating inertia resistance during sudden direction changes, swimming, or aerial gymnastics.
• Defensive Armor Rating:
  • Armor:1: Shields the avatar’s tail, pelvic vertebrae, and rear quadrant against physical trauma, falling cave-in rocks, jagged stalagmites, and rear flank strikes. Incoming physical stress targeting the rear or lower body is reduced by 1 before being marked on the physical stress track.
• Passive Mechanics:
  • Caudal Gyro-Ballast: The low center of gravity automatically stabilizes the avatar’s posture. The wearer gains a +2 bonus to Athletics rolls to maintain balance, traverse narrow or slippery beams, and resist being knocked down, tripped, or staggered.
  • Low-Frequency Strata Sense: Conducts seismic acoustic pulses along the dorsal tail nerves. The wearer gains a +2 bonus to Notice or Investigate rolls when perceiving approaching burrowing threats, seismic shifts, or movement through contiguous bedrock within the same or adjacent zone, even in total darkness.
  • Vertebral Shielding: The felt-padded stone shingles prevent caudal nerve-deadening or tail-disabling consequences caused by blunt impacts or falling roof rubble.
• Active Stunt Capabilities:
  • Resonant Ground-Thrum (Bedrock Ping): Once per scene, or by spending 1 Fate Point, the wearer strikes the bronze terminal ring firmly against contiguous stone. The resulting acoustic shockwave radiates through the bedrock, immediately creating a situational advantage with a free invocation—such as Revealed Cavities and Pit-Traps or Mapped Subterranean Faults—affecting stone surfaces in the current and adjacent zones.
  • Kinetic Whiplash Sweep: Once per scene, or by spending 1 Fate Point, the avatar sweeps their tail in a sudden 180-degree low arc as an attack or defend action using Fight or Athletics against an opponent in the same zone. On a success, the attack deals physical stress and forces the target to either yield an advantage (Knocked Prone) or take a 2-shift hit.

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Numenera & Cypher System

Basalt Caudal Stabilizer 518

• Item Level: 3 (determines crafting, repair, and environmental interaction difficulty).
• Form and Structure: Six overlapping, curved shingles of dark vesicular basalt lined with boiled wool felt, linked by five bronze hinge pins, secured beneath the tail via four leather girth-straps, and terminating in a weighted bronze ring.
• Armor Rating and Load:
  • Armor: +1 Armor against physical blunt, piercing, and crushing damage targeting the tail, pelvic spine, and rear quadrant, as well as falling stone hazards.
  • Classification: Specialized Tail Gear (imposes 0 Speed Effort penalty and does not count as heavy armor).
• Depletion Rating: 1 in 1d20 (checked upon triggering the Resonant Ground-Thrum or Kinetic Whiplash Sweep; passive features do not incur depletion rolls).
• Passive Capabilities:
  • Caudal Gyro-Ballast: The low-slung ballast stabilizes the wearer’s center of mass. Eases all Speed defense and balance tasks by one step when traversing grease-slick catwalks, narrow mountain ledges, or unstable suspension lines, and when resisting being tripped or knocked prone.
  • Low-Frequency Strata Sense: The basalt shingles act as acoustic receivers for stone vibrations. Eases Perception tasks to detect subterranean movement, burrowing creatures, or shifting masonry seams through solid rock within immediate distance (10 feet) by one step.
  • Impact Dissipation: Protects the wearer from bone-bruising and tail-disabling injuries caused by falling rubble or crushing traps.
• Active Capabilities:
  • Resonant Ground-Thrum (Action): The wearer taps the bronze counter-weight ring against solid stone or bedrock. An acoustic sonar pulse radiates through the rock out to short distance (50 feet). For 10 minutes, tasks to detect hollow wall caches, concealed drainage tunnels, and hidden floor pit-traps within range are eased by two steps. Depletion: 1 in 1d20.
  • Kinetic Whiplash Sweep (Action): The wearer swings the tail in a 180-degree sweep at an adjacent foe within immediate range. The target suffers 4 points of bludgeoning damage and must succeed on a Might or Speed defense task (difficulty equal to the item level) or be knocked prone. Depletion: 1 in 1d20.

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Pathfinder (Second Edition Remaster)

Basalt Caudal Guard 518

• Item Metadata: Item 3; Uncommon, Abjuration, Invested, Magical.
• Price: 55 gp.
• Usage: Worn tail armor (requires an avatar or creature with a tail); Bulk: 1.
• Material and Construction: Six curved shingles of vesicular volcanic basalt lined with boiled sheep-felt, articulated via bronze hinge pins, secured along the dorsal tail ridge with four ventral leather straps, and capped with a bronze counter-weight ring.
• Defensive Property:
  • You gain a +1 item bonus to AC and Reflex saving throws against melee attacks originating from behind you and against hazard effects that deal bludgeoning or piercing damage from falling rocks, roof collapses, and rolling boulders.
• Passive Properties:
  • Caudal Gyro-Ballast: You gain a +1 item bonus to Reflex saves and Fortitude DCs against being Tripped or Shoved, and to Acrobatics checks to Balance on narrow ledges, wet masonry, or grease-coated catwalks.
  • Low-Frequency Strata Sense: While standing on solid rock, stone, or contiguous masonry, you gain imprecise tremorsense out to a range of 20 feet, allowing you to detect shifting stone seams and the movement of creatures through solid bedrock without visual line of sight.
  • Vertebral Shielding: You are immune to critical injury effects that would break, sever, or paralyze your tail vertebrae.
• Active Properties:
  • Resonant Ground-Thrum [one-action] (Concentrate, Sonic); Frequency: twice per day; Effect: You strike the bronze terminal ring against contiguous stone. An acoustic wave sweeps through the bedrock in a 30-foot emanation. For 1 minute, you gain a +2 circumstance bonus to Perception checks to locate hidden doors, hollow wall cavities, and concealed pit-traps built into stone surfaces within range.
  • Kinetic Whiplash Sweep [one-action] (Flourish, Manipulate); Frequency: 3 times per day; Effect: You sweep your tail in a low 180-degree arc against a creature within 5 feet. Attempt an Athletics check to Trip the target with a +1 item bonus. On a success, the target also takes 1d6 bludgeoning damage in addition to falling prone; on a critical success, it takes 2d6 bludgeoning damage and falls prone.

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Savage Worlds (Adventure Edition)

Basalt Caudal Guard 518

• Classification: Personal Body Armor (Tail / Rear Quadrant).
• Armor Rating: Armor +1 (covers the Tail and Rear Quadrant).
• Minimum Strength Requirement: d6.
• Weight: 7 lbs.
• Price: 190 silver coins.
• Material Composition: Six articulated shingles of volcanic basalt lined with boiled sheep-felt, joined by five bronze hinge pins, fastened by four ventral leather straps, and finished with a solid bronze counter-weight ring.
• Passive Mechanics:
  • Caudal Gyro-Ballast: The wearer gains a +2 bonus to Athletics rolls made to maintain balance across narrow beams, grease-slick catwalks, and loose scree, and to resist being Tripped or knocked Prone.
  • Low-Frequency Strata Sense: The basalt conducts seismic vibrations into the tail nerves. The wearer gains a +2 bonus to Notice rolls to detect approaching burrowing creatures, shifting rock faults, or subterranean movement through solid stone within 4 inches (8 yards).
  • Shock Dissipation: Adds +1 to Toughness against falling rock hazards, roof collapses, and bludgeoning strikes directed at the tail or rear quadrant.
• Active Mechanics:
  • Resonant Ground-Thrum (Action): The wearer strikes the bronze terminal ring against contiguous bedrock. For the next 5 rounds, the acoustic feedback grants a +2 bonus to Notice rolls made to detect hollow walls, secret stone compartments, and concealed pit-traps within 5 inches (10 yards). This ability may be used twice per day.
  • Kinetic Whiplash Sweep (Action): The wearer sweeps their armored tail in a 180-degree low arc. This functions as an Unarmed Strike dealing Str+d4 bludgeoning damage. On a hit with a Raise, a target of equal or smaller Size is automatically knocked Prone in addition to taking normal damage. This ability may be used 3 times per day.

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Shadowrun (Sixth World Edition)

Basalt Caudal Ballast Guard 518

• Item Classification: Armor Accessory (Tail / Pelvic Rig) and Archaic Subterranean Ballast.
• Armor and Attributes:
  • Defense Rating (DR): +1 (added directly to the character’s physical Defense Rating calculation against rear attacks and falling debris).
  • Armor Value: 1 (adds 1 soak die rolled alongside Body to resist physical damage targeting the tail, lower spine, or rear quadrant).
  • Capacity: 1 (available for a micro-sensor, transponder, or tag).
  • Availability: 2 (Specialized Industrial/Subterranean Gear).
  • Legality: Legal (classified as non-weaponized industrial and athletic body reinforcement).
  • Cost: 1,800 Nuyen.
• Physical Profile and Metahuman Fitting:
  • Form and Materials: Six overlapping, curved shingles of vesicular volcanic basalt backed by dense boiled wool felt and hinged on five bronze pins. Secured along the dorsal tail ridge with four oil-treated ventral leather girth-straps, terminating in a hemispherical bronze endcap with an integrated counter-weight ring.
  • Metahuman Ergonomics: Engineered specifically for metahumans, changelings (SURGE), drakes, or sapient entities possessing a three- to five-foot muscular tail. When strapped flush, the low-slung mass shifts rotational inertia into the pelvis without restricting leg mobility or spine articulation.
• Passive Tactical Properties:
  • Caudal Gyro-Ballast: The counter-weighted bronze terminal ring and stone shingles lower the wearer’s center of gravity. The wearer gains a +1 dice pool bonus on Athletics tests made to maintain balance across grease-slick catwalks, narrow girders, or shifting debris, and on tests to resist being knocked prone or tripped.
  • Low-Frequency Strata Sense: The crystalline matrix of the basalt conducts seismic vibrations into the caudal nervous system. The wearer gains a +1 dice pool bonus on Perception tests to detect subterranean movement, approaching burrowing threats, industrial floor vibrations, or shifting masonry through solid rock or concrete within 6 meters, even in pitch darkness.
  • Vertebral Shock Dispersion: The wool-felt backing and hinged shingle curvature divert blunt impact energy around the tail. The wearer is immune to bone fractures, vertebral bruising, and nerve-deadening injuries to the tail caused by falling rubble or crushing machinery.
• Active Operational Capabilities:
  • Resonant Ground-Thrum (Minor Action / 1 Edge): Tapping the bronze terminal ring firmly against contiguous concrete, asphalt, or stone emits an acoustic sonar pulse in a 10-meter radius. For 1 minute, the runner gains a +2 dice pool bonus on Perception tests to detect hollow floor compartments, hidden wall caches, concealed drainage pipes, and structural stress fractures. This ability may be used twice per run.
  • Kinetic Whiplash Sweep (Major Action): The runner swings the armored tail in a 180-degree low arc. This counts as an Unarmed Close Combat attack dealing (STR/2)P damage. If the attack inflicts at least 1 net hit, a target of equal or smaller Body must succeed on an Athletics + Dexterity test or gain the Prone status. This ability can be used three times per run.

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Starfinder (Second Edition)

Basalt Caudal Ballast Guard 518

• Item Classification: Item 3; Uncommon, Tail, Hybrid, Tech, Magical.
• Numerical Ratings and Usage:
  • Price: 60 Credits.
  • Usage: Worn tail armor (requires a creature with a tail); Bulk: 1.
  • Upgrade Slots: 1 slot available for technological or environmental armor modifications.
• Physical Profile and Materials:
  • Six overlapping shingles of vesicular volcanic basalt lined with boiled felt, articulated by bronze hinge pins, fastened via four ventral leather straps, and capped with a bronze counter-weight ring.
• Defensive Property:
  • Grants a +1 item bonus to AC against melee attacks originating from behind you and a +1 item bonus to Reflex and Fortitude saving throws against environmental hazards involving falling rocks, structural cave-ins, and rolling debris.
• Passive System Features:
  • Caudal Gyro-Ballast: You gain a +1 item bonus to Reflex saves and Fortitude DCs against being Tripped, Shoved, or bowled over, as well as to Acrobatics checks to Balance across narrow ledges, wet gangways, and vibrating machinery.
  • Low-Frequency Strata Sense: While in contact with solid rock, reinforced concrete, or contiguous stone decking, you gain imprecise tremorsense out to a range of 20 feet, allowing you to detect movement and shifting strata through solid surfaces without visual line of sight.
  • Vertebral Shielding: You are immune to critical hit effects and injuries that would crush, fracture, or paralyze your tail appendage.
• Active Operational Capabilities:
  • Resonant Ground-Thrum [one-action] (Concentrate, Sonic): Frequency: twice per day; Effect: You strike the bronze terminal ring against contiguous stone or decking. An acoustic pulse radiates through the floor in a 30-foot emanation. For 1 minute, you gain a +2 circumstance bonus to Perception checks to locate hidden doors, hollow bulkheads, and concealed floor traps within range.
  • Kinetic Whiplash Sweep [one-action] (Flourish, Manipulate): Frequency: 3 times per day; Effect: You sweep your armored tail in a low 180-degree arc. Attempt an Athletics check to Trip an adjacent target with a +1 item bonus. On a success, the target takes 1d6 bludgeoning damage and falls prone; on a critical success, it takes 2d6 bludgeoning damage and falls prone.

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Mongoose Traveller (2nd Edition)

Type-518 Basalt Caudal Ballast Rig

• Item Classification: Archaic Caudal Body Armor and Field Ballast (Tail).
• Tech Level and General Statistics:
  • Tech Level: TL 4 (Archaic Lapidary and Cast Bronze Fabrication; non-electronic and unaffected by EMP or radiation).
  • Armor Protection: +1 Protection against physical blunt, piercing, and slashing damage targeting the tail or rear quadrant; +1 Protection against falling roof debris and crushing rock falls.
  • Mass: 3.2 kilograms.
  • Price: Cr 950.
• Physical Architecture and Construction:
  • Composed of six articulated vesicular basalt shingles lined with boiled wool felt, linked by five bronze hinge pins, secured by four ventral leather girth-straps, and capped with an egg-shaped bronze terminal ballast ring.
  • Ergonomics: Tailored specifically for tailed sophonts (such as Aslan, Vargr sub-breeds, or uplifted biological species). The ballast design imposes no Dexterity penalties and centers equipment weight across the pelvic skeletal axis.
• Passive Tactical Mechanics:
  • Dynamic Gyro-Ballast: The low center-of-gravity design grants a +1 DM on Athletics (Dexterity) checks to maintain footing across slippery rock, vibrating catwalks, or narrow ledges, and to resist being tackled or knocked off balance.
  • Strata Vibration Sense: The dense basalt segments conduct seismic micro-vibrations through solid rock. The traveler gains a +1 DM on Recon or Survival checks to detect approaching subterranean life, tunnel collapses, or heavy machinery movements through bedrock within 6 meters.
  • Vertebral Cushioning: The felt-lined shingles prevent tail bone-bruising, nerve compression, or caudal fractures resulting from crushing impacts or falling cargo.
• Active Operational Capabilities:
  • Resonant Ground-Thrum (Minor Action): Tapping the bronze terminal ring against solid stone, rock, or unyielding decking sends an acoustic pulse through the floor out to 10 meters. For 10 minutes, the traveler gains a +2 DM on Recon or Engineer checks to locate hollow wall voids, hidden floor caches, and concealed drainage crawlways. This ability may be used twice per 24-hour cycle.
  • Kinetic Whiplash Sweep (Melee Attack): The traveler sweeps the tail in a low arc against an adjacent opponent. The attack uses Melee (Unarmed) and inflicts 1D6 bludgeoning damage; on a successful hit, the target must pass an Athletics (Strength or Dexterity) check (10+) or be knocked prone. This maneuver can be attempted three times per day.

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Warhammer Fantasy Roleplay (4th Edition)

Masterwork Basalt Tail Carapace 518

• Item Classification: Masterwork Tail Armour and Subterranean Ballast Rig.
• Armor Statistics and Values:
  • Locations Covered: Tail and Rear Quadrant.
  • Armour Points (AP): 1 AP against all incoming physical damage (bludgeoning, slashing, and piercing) targeting the Tail or rear lower body.
  • Encumbrance: 1.
  • Availability: Exotic (prized by tailed mutants, beast-hunters, and subterranean excavation engineers).
  • Cost: 3 Gold Crowns, 18 Silver Shillings.
• Material Composition and Qualities:
  • Six interlocking curved shingles of volcanic basalt lined with boiled sheep-felt, connected by five bronze hinge pins, fastened by four ventral leather girth-straps, and finished with a solid bronze counter-weight ring.
  • Qualities: Durable, Practical, Reinforced.
  • Flaws: None (fitted specifically to protect and stabilize a three- to five-foot tail without hindering movement).
• Passive Special Rules:
  • Caudal Gyro-Ballast: The low-slung volcanic stone lowers the wearer’s center of mass, granting a +10 bonus to Athletics and Dodge tests made to maintain footing across grease-slick catwalks, narrow ledges, or shifting scree, and to resist being knocked Prone.
  • Lithic Vibration Sense: The basalt plates transmit micro-tremors through the tail nerves, granting a +10 bonus to Perception tests to detect subterranean creatures, shifting rock faults, or footsteps through contiguous stone floors within 10 yards.
  • Vertebral Shielding: The felt padding and stone curvature prevent Critical Injuries that would break, sever, or paralyze the caudal vertebrae from falling roof rubble or bludgeoning blows.
• Active Special Rules:
  • Resonant Ground-Thrum: Twice per day, by striking the bronze terminal ring against solid stone or flagstones (an Action), the wearer emits an acoustic sonar wave through the rock out to 10 yards. For 1 minute, the wearer gains +1 SL on successful Perception tests to detect concealed stone doors, hollow wall cavities, and covered pit-traps.
  • Kinetic Whiplash Sweep: Three times per day, the wearer can unleash a sweeping tail blow as an Action. This functions as an Unarmed Attack using Melee (Brawling) at +10 WS, dealing +SB+2 Bludgeoning Damage. If the attack scores an Opposed Success, a target of equal or smaller Size must pass an Opposed Athletics Test or immediately suffer the Prone Condition.