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Resonant Structural Harmonic Tuning Fork 904

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by

Dale
in

From: Lineage 1083 of the Iron-Sheath Gestalt

Type: Sensory/Correction Apparatus

Description: A large, two-pronged fork made of a unique silver-electrum alloy that vibrates with a low hum when held. By striking the fork against a piece of equipment and listening to the pitch through its internal echolocation-based Blind Sight, the Gestalt can pinpoint “invisible” flaws or magic circuit misalignments deep within the metal. It is an essential tool for ensuring that gear enhancements are applied without causing the crystal shards of an item to shatter under the pressure of high-tier attunement.

Lore: Resonant Structural Harmonic-Tuning Fork 904

The 904 Series was forged in the subterranean Harmonic Foundries, where the air is so dense with magic that sound can be seen as physical ripples. The silver-electrum alloy used in its construction is “grown” rather than cast, aligned atom-by-atom to the frequency of the World-Beat—the baseline vibration of stable matter in Saṃsāra. While lesser smiths rely on sight, the Gestalt master-crafters use the 904 to “hear” the internal logic of an object.

In the hands of an expert, the 904 does not just find cracks; it reveals the “soul-fatigue” of an item. Before the introduction of the Tuning Fork, high-tier attunements often ended in catastrophic “Circuit-Snap,” where the sudden influx of mana would cause crystal-reinforced weapons to explode into lethal shrapnel. The 904 prevents this by allowing the user to perform “Vibrational Surgery,” using precise sound waves to massage magic circuits back into alignment before they are pushed to their limits.

Item Specifications

  • Tier 1 Stats
    • Resonance Accuracy: 98%
    • Detection Depth: 15cm through solid metal
    • Harmonic Frequency Range: 20Hz – 45,000Hz
    • Weight: 1.2 lbs
    • Durability: 50/50
  • Skills Gained (While Openly Worn or Held)
    • Structural Intuition (Temporary): +3
    • Acoustic Echolocation: Level 1
  • Passive Magic
    • Blind-Sight Echo: The wielder gains Blind Sight (10ft) solely for the purpose of perceiving the internal composition of non-living materials and magical circuits.
    • Circuit Stabilization: While the fork is within 5 feet of an item undergoing enhancement, the chance of the item shattering due to attunement pressure is reduced by 15%.
    • The Hum of Stability: The low hum of the fork calms the wielder, granting a +1 bonus to concentration-based crafting checks.
  • Activatable Magics
    • Harmonic Realignment: (Action) By striking the fork and pressing it against an item, the user can temporarily fix a “Circuit Misalignment,” allowing the item to function normally for 1 hour despite internal damage.
    • Shatter-Point Focus: (Action) The user strikes the fork and listens for the resonance of an enemy’s armor or a structure; the next attack against that target ignores 2 points of physical Damage Reduction.
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool, Acoustic-Diagnostic, Resonance-Engine, Vibration-Surgery, Electrum-Alloy, Material-Insight, Frequency-Calibration, Stress-Detection, World-Beat-Synced, Integrity-Validation, Mana-Flow-Stabilizer, Non-Destructive-Testing

Acquisition and Commerce of the Harmonic-Tuning Fork 904

Methods of Acquisition

The Resonant Structural Harmonic-Tuning Fork 904 is a precision instrument rarely found in common circulation, as its manufacture requires the atomic-alignment techniques of the Harmonic Foundries.

  • Gestalt Foundries Apprenticeship: The most common way to obtain a 904 unit is through direct merit; apprentices of the Gestalt master-crafters are often gifted a “seed” fork upon reaching the rank of Journeyman, which they must then attune to their own resonance.
  • Deep-Layer Excavation: Because the silver-electrum alloy is resistant to temporal decay, these forks are frequently recovered from the ruins of “Old-World” subterranean laboratories. They are often found clutched in the skeletal remains of Chief Engineers who stayed at their stations to monitor structural integrity during cave-ins.
  • Diplomatic Tribute: Occasionally, high-ranking members of the Artificer’s Guild will offer a 904 to traveling dignitaries or heroes as a symbol of “The World-Beat Agreement,” signifying a commitment to structural peace and stability.

Commercial Environments and Market Dynamics

Because the 904 is a “Correction Apparatus” rather than a standard weapon or tool, it is traded in specialized markets that prioritize accuracy over utility.

  • The Master-Smith’s Emporium (High-Tier Cities): These elite shops specialize in top-shelf equipment for high-end enchantments.
    • Buying: A brand-new, factory-calibrated 904 costs approximately 2,200 Gold. The price includes a velvet-lined dampening case and a single calibration session.
    • Selling: A well-maintained fork can be sold for 1,100 Gold. The merchant will strike the fork against a “Baseline Anvil” to ensure the silver-electrum hasn’t suffered “vibrational fatigue.”
  • The Salvage-Synthesist’s Den (Industrial Slums): These cluttered shops deal in recovered tech and “Circuit-Stained” gear.
    • Buying: A 904 with minor scuffs or a slightly “off” pitch can be found for 1,400 to 1,600 Gold. These units are functional but may require a DC 12 Intelligence (Engineering) check to interpret the distorted echoes.
    • Selling: These dealers will buy a damaged or uncalibrated fork for 500 Gold, primarily for the melt-down value of the silver-electrum alloy.
  • The Scholarly Antiquarian (Academy Districts): Located near centers of learning, these shops buy items for their historical and sensory value.
    • Buying: Prices here are fixed and high, often reaching 3,000 Gold for forks with “Foundry Pedigrees” (stamps from famous smiths).
    • Selling: Scholars are willing to pay a premium for forks that have “captured” unique echoes of rare materials, offering up to 1,500 Gold for a unit with a rich vibrational history.

Transactional Nuances

In Saṃsāra, selling a Tuning Fork is a delicate process. A seller must be careful not to “mute” the fork during transport; if a 904 is kept in contact with a deadening material like lead for too long, it loses its Tier 1 stats for 24 hours while it “re-learns” the World-Beat. Most high-end transactions include a Resonant Guarantee, where the merchant promises to replace the item if it shatters during its first high-tier attunement task.

Sensory and Structural Roleplay of the Harmonic-Tuning Fork 904

The Resonant Structural Harmonic-Tuning Fork 904 is a tool of surgical precision, and roleplaying its use involves a focus on sound, vibration, and the unseen “internal architecture” of the world. In the world of Saṃsāra, the device is characterized by its constant low hum and the “Blind-Sight” echoes it provides to the wielder.

Combat Roleplay: Offensive Maneuvers

While not a weapon in the traditional sense, the 904 is used offensively to exploit the physical and magical weaknesses of an opponent’s equipment.

  • Shatter-Point Focus: Roleplay the avatar striking the fork against their own bracer and then holding it aloft while narrowing their eyes. Describe how the sound waves reflect off an enemy’s plate armor, revealing a microscopic stress fracture or a “cold joint” in the metalwork. The avatar then signals their allies to strike that specific point, narrating how the enemy’s defense buckles far more easily than expected.
  • Vibrational Sabotage: Use the fork to “over-resonate” enemy gear. Roleplay the avatar pressing the vibrating prongs against a locked door or a stationary construct, describing the “World-Beat” alignment causing the metal to hum in a violent, dissonant frequency until hinges warp or rivets pop out of their sockets.
  • Acoustic Tracking: In environments with heavy fog or magical darkness, roleplay using the “Blind-Sight Echo” to track the movement of armored foes. Describe the avatar “seeing” the enemy not as a person, but as a vibrating structural silhouette through the walls or mist, allowing for a perfectly timed ambush.

Combat Roleplay: Defensive Maneuvers

Defensively, the 904 is used to prevent equipment failure and stabilize the battlefield.

  • Harmonic Realignment: Roleplay a moment where an ally’s enchanted weapon begins to spark and crackle with unstable energy. Describe the avatar rushing forward to strike the fork and press it against the weapon’s hilt. Narrate the low hum of the silver-electrum alloy “soothing” the jagged mana-circuits, allowing the weapon to hold together for one more crucial exchange.
  • Structural Integrity Check: During a siege or while in a crumbling ruin, roleplay the avatar striking the floor or a support pillar. Describe the echolocation-based “Blind Sight” spreading out across the ceiling, identifying exactly which stones are about to fall and allowing the party to move to a “Safe Zone” of structural stability.
  • Attunement Shielding: When the party is subjected to high-frequency sonic attacks or “shatter” spells, roleplay the avatar holding the fork in a high guard. Describe the 904 acting as a “vibrational lightning rod,” absorbing the destructive frequencies and converting them into a harmless, steady hum.

Roleplay in Extreme Environments

  • Subterranean Foundries: In the echoing deeps, roleplay the 904 vibrating in sympathy with the earth. Describe the avatar feeling the “World-Beat” so strongly that the fork becomes hot to the touch, and their “Blind-Sight” extends through layers of rock to find hidden veins of silver-electrum.
  • High-Altitude Vapor-Spires: In the thin air where sound travels poorly, roleplay the frustration of the “Acoustic Echolocation” being dampened. Describe the avatar having to hold the fork directly against their temple or jawbone to “hear” the internal flaws of a sky-ship’s hull through bone conduction.
  • Magical Dead Zones: Roleplay the 904 falling silent and cold. Describe the avatar’s unease as their “Structural Intuition” fades, forcing them to rely on their physical eyes for the first time in weeks and creating a sense of “sensory claustrophobia”.

Perception of Activation:

User’s Perspective

When the avatar strikes the Resonant Structural Harmonic-Tuning Fork 904, the initial sensation is a sharp, crisp tactile “snap” that immediately transitions into a deep, bone-conducting vibration. Through the Acoustic Echolocation and Blind-Sight Echo, the user’s vision is overlaid with a translucent, wireframe-like map of the object being tested. They perceive “Sound-Light”—where high-density metal appears as solid silver radiance and internal cracks or circuit misalignments manifest as jagged, flickering shadows of dull charcoal. The avatar “hears” the health of the item; a perfect item sings a pure, unwavering chord, while a flawed one stutters with a dissonant, grinding feedback that the user feels in their teeth.

Observer’s Perspective

An observer sees the user strike the silver-electrum prongs, which blur into a shimmering haze as they vibrate. There is a visible ripple in the air—a translucent, concentric distortion—that expands from the fork and washes over the equipment being inspected. As the waves hit the target, faint, glowing lines of silver-gold light trace the item’s internal lattice, occasionally flaring brightly over areas of structural stress. The observer hears a low, haunting hum that seems to bypass the ears and resonate directly in the chest cavity, creating a strange sensation of “physical silence” in the immediate vicinity.

Positives

  • Absolute Structural Clarity: The extra-sensory overlay removes all guesswork, providing a 100% accurate visualization of internal flaws that are physically impossible to see with the naked eye.
  • Vibrational Tranquility: The “Hum of Stability” acts as a rhythmic anchor, suppressing the user’s physical tremors and heart rate, which significantly eases the stress of high-stakes attunement.
  • Predictive Awareness: Because the fork detects “soul-fatigue” before physical breakage occurs, the user perceives the intent of the metal to fail, allowing for preventative corrections before damage is permanent.

Negatives

  • Sensory Overload: In a room filled with complex machinery or multiple magical items, the “Blind-Sight Echo” can become a chaotic storm of overlapping wireframes and competing frequencies, leading to “Tuning-Dizziness.”
  • Acoustic Vulnerability: While perceiving the echoes, the user is functionally deaf to normal environmental sounds, such as footsteps or speech, as the World-Beat resonance drowns out all standard auditory input.
  • Electrum Fatigue: Prolonged use causes a lingering “ghost vibration” in the user’s arm, making delicate manual tasks difficult for several hours after the device is deactivated.

Schematic for the Resonant Structural Harmonic-Tuning Fork: Series 904

Materials Needed

  • 12 Ounces of High-Purity Silver: Acts as the primary conductor for magical resonance and provides the “bright” acoustic properties needed for echolocation.
  • 4 Ounces of Fine Electrum: An alloy of gold and silver used specifically to stabilize the “World-Beat” frequency and prevent vibrational decay.
  • 1 Crystalline Tuning Core: A small, lab-grown quartz or sapphire shard attuned to a perfect A-note (440Hz or higher) to serve as the frequency anchor.
  • 2 Strips of Reinforced Wyvern-Hide: Used for the grip to dampen the vibration for the wielder’s hand, preventing bone-conduction fatigue.
  • 1 Vial of Liquid Mercury-Mana: Used as an internal dampening fluid within the hollowed handles to balance the fork’s swing weight.
  • Silver-Electrum Solder: A specialized joining agent that maintains harmonic continuity across the prongs and the base.

Tools Required

  • Atomic-Alignment Crucible: A specialized furnace capable of melting silver and electrum while keeping the metal molecules aligned to a specific magnetic north.
  • Precision Hammer and Needle-Anvil: Forged from hardened cold-iron to shape the prongs without introducing “impure” vibrations.
  • Arcane Frequency Monitor: A device used to measure the “World-Beat” and ensure the fork does not deviate from its intended pitch during the cooling process.
  • Etching Stylus (Diamond-Tipped): Used to carve the micro-grooves into the interior of the prongs to facilitate the Blind-Sight Echo.
  • Sonic-Cooling Bath: A pressurized chamber filled with mineral oil that is vibrated at a constant 440Hz to cool the alloy without structural stress.

Skill Requirements

  • Metallurgy (Advanced): Level 3 required to manage the delicate silver-electrum ratio and the “growing” process of the alloy.
  • Acoustic Engineering (Trained): Level 2 required to calibrate the “Blind-Sight” frequencies and the internal echolocation loops.
  • Arcane Crafting (Master): Level 4 required to bind the Crystalline Tuning Core to the metal lattice without shattering the gemstone.

Crafting Steps

  • Step 1: The Molecular Fusion. Place the silver and electrum into the Atomic-Alignment Crucible. Heat the metals until they reach a liquid state, then introduce a low-frequency magical hum into the melt. This ensures the resulting alloy is “pre-attuned” to a stable vibration.
  • Step 2: Casting the Blank. Pour the molten alloy into a specialized U-shaped mold. During the pouring process, the wielder must maintain a constant hum or chant to prevent air bubbles (which cause “dead spots” in the resonance) from forming.
  • Step 3: Integrating the Core. While the alloy is still in a semi-solid “taffy” state, carefully insert the Crystalline Tuning Core into the base of the fork (the junction where the prongs meet the handle). Secure it using the liquid mercury-mana to create a suspended, shock-resistant housing.
  • Step 4: Precision Shaping and Etching. Once cooled in the Sonic-Cooling Bath, use the needle-anvil and precision hammer to draw out the prongs to their exact length. Use the diamond-tipped stylus to etch the “Echolocation Grooves” along the interior faces of both prongs.
  • Step 5: Harmonic Calibration. Strike the fork and observe the pitch on the Arcane Frequency Monitor. Gently shave minute amounts of metal from the tips of the prongs until the resonance reaches a perfect, unwavering “World-Beat” frequency.
  • Step 6: Finishing the Grip. Wrap the handle in wyvern-hide strips, securing them with silver-electrum solder at the pommel. The grip must be tight enough to transmit data but soft enough to protect the user from nerve damage.
  • Step 7: Final Attunement Test. Strike the fork against a piece of known “Flawed Alloy.” If the 904 displays the wireframe shadows of the internal cracks through the user’s vision, the device is considered fully operational and ready for field use.

Two-Stick-Metal-Singer 904 Times-Trying

In the long-agoly times, before the sky was open to the faces of the people, the Many-Minds-As-One lived deep inside the rock-stomach of the world. The rock-stomach was a place of much heavy-heat and the hammering of the metals. The people of Many-Minds-As-One were the makers of the fighting-clothes (armor) and the sharp-hitting-sticks (swords). They wanted to put the invisible-spark-power into the fighting-clothes. They pushed the power into the glass-veins inside the metal.

But the invisible-spark-power was a wild and angry beast! When the hammer-men pushed too much of the wild-power into the glass-veins, the metal would become sick. The veins would cross like angry snakes. Then, the great disaster! The metal would do the “Circuit-Snapping-Death”. The metal and the glass would explode into a thousand flying-teeth, biting the face-meat and the seeing-balls of the hammer-men. There was much blood and loud crying in the rock-stomach.

There was a hammer-man named Ear-That-Listens-To-Dirt. He was having a great sadness for his brothers who could no longer look at the light. He spoke to the Big-Chief-Hammer. He said, “O Big-Chief, we are making the foolishness! We use the seeing-balls to look at the outside-skin of the fighting-clothes. But the sickness of the exploding-death hides in the belly of the metal! The eyes are useless rocks. We must look with the ear-holes!”

The Big-Chief-Hammer made a loud throwing-laugh. “You are having the brain of a flat-worm, Ear-That-Listens-To-Dirt! The ear-holes are for hearing the wife-screaming and the rock-falling. You cannot see with the ear-holes!”

Ear-That-Listens-To-Dirt was angry in his chest-cage. He walked away from the big fires. He went down into the very-bottom-bottoms where the rock-stomach is cold. He found the tears of the moon (the silver) and the sweat of the sun (the electrum). He brought them to his secret fire. He melted them together in the pot-that-points-north. While they were water-metal, he sang a very long, very boring song to them, so they would not forget the beat of the big-world-heart. He took a cold-fire-gem and shoved it into the joining-place of the metal.

Then he hit the metal. He made it into a stick with two fingers that point at the rock-sky. He hit it to make the magic sound.

Clank.

The sound was terrible. It was the sound of a sick bird dying in the mud. This was the number one trying. Ear-That-Listens-To-Dirt threw it into the bad-pile.

He made another one. He hit it.

Thud.

It was the sound of a fat man falling off a chair. This was the number two trying. He threw it into the bad-pile.

He did the making and the hitting for many long sleeps. He made nine-hundreds of the two-finger-sticks. Then he made three more. They were all bad. They sang the wrong songs. His beard grew long and his hands were black like the burnt wood.

Then came the time of the trying of nine-hundreds-and-four.

He took the moon-tears and sun-sweat. He shaped the two fingers. He hit the stick.

Huuuummmmm.

It was not a sound of the air. It was a sound of the bones! The sound shook the teeth in his face. Ear-That-Listens-To-Dirt closed his seeing-balls. But wait! A magic thing happened! Inside the meat of his head, he saw a ghost-picture! He saw the insides of his stone table. He saw the hidden cracks in his own hammer. The sound was drawing a picture of the invisible things! He had achieved the Seeing-With-No-Eyes-By-Sound!

He ran fast on his leg-bones to the Big-Chief-Hammer. The Big-Chief was pushing the invisible-spark-power into the Biggest-Cutting-Stick-Of-The-King. But the Big-Chief was too greedy. The stick was turning the color of angry-blood. The air was shaking. The glass-veins were crossing! The Circuit-Snapping-Death was waking up! The hammer-men dropped their tools and ran away, making the scared-water in their pants.

“Do not run!” shouted Ear-That-Listens-To-Dirt. He ran to the angry-blood-stick. He hit the Two-Stick-Metal-Singer of Nine-Hundreds-Four against a rock.

Huuuummmmm.

He held the singing metal over the angry stick. In his head-meat, the ghost-picture showed him the truth. The glass-veins inside the sword were tied in a knot of stupidity. Ear-That-Listens-To-Dirt used the invisible sound-water from his singing-stick to push the veins. The sound rubbed the angry veins. The sound untied the knot! The glass-veins became straight like the falling rain.

The angry-blood color went away. The sword was safe. It was the strongest stick ever made.

The Big-Chief-Hammer walked back. He did not do the throwing-laugh. He bowed his head-bone. “You are the smartest of the worms, Ear-That-Listens-To-Dirt. Your two-finger-singer has saved our face-meat.”

From that time-place, the Many-Minds-As-One made many of the singing sticks. They called them the Nine-Hundreds-Four, to remind the young hammer-men that giving up before nine-hundreds-and-three is the way of the weak-legs.

The Moral of the Story: The eyes are the liars that only kiss the skin of the world, but the ear-holes can chew the truth that hides inside the belly of the stone.

Suggested conversions to other systems:

Call of Cthulhu (7th Edition)

Item Name: The 904 Ultra-Sonic Structural Probe

  • Classification: Weird Science / Analytical Tool
  • Skill: Science (Engineering), Science (Physics), or Art/Craft (Blacksmith)
  • Game Mechanics:
    • Echolocation: While the fork is vibrating, the user gains the equivalent of Blind Sight within 10 feet for non-organic structures. This ignores darkness and visual illusions but cannot penetrate lead or heavy vacuum-sealed barriers.
    • Detect Flaw: A successful skill roll allows the user to identify “invisible” structural weaknesses or magical circuit fatigue. This grants a Bonus Die to any subsequent rolls made to repair or sabotage the object.
    • Stabilize Attunement: When used as part of a ritual or enchantment process, the fork reduces the chance of a “fumble” or catastrophic failure by 10%.
    • Malf: 96 (The fork becomes “un-tuned,” causing a dissonant feedback loop that inflicts 1d3 Sanity damage and deafens the user for 1d6 rounds).
  • Syntax: “The silver-electrum prongs hum with a low frequency, translating the density of the metal into a tactile map in the investigator’s mind.”

Blades in the Dark

Item Name: Spark-Wright’s Harmonic Fork

  • Type: Gadget / Survey Tool (1 Load)
  • Tier: I (Fine Quality)
  • Mechanics:
    • Vibrational Surgery: When you Study a complex mechanism or arcane lock, the fork provides Potency. You can see the internal “logic” of the device, allowing you to bypass gears or wires without triggering alarms.
    • Structural Weakness: You may use this tool to provide a Setup action for a teammate’s Wreck roll. By pinpointing the “Shatter-Point,” the teammate gains +1 Effect.
    • Circuit Protection: Spend 1 Stress during a Crafting or Long-term Project downtime activity to negate a “Complication” result related to structural failure or explosion.
  • Tags: Acoustic, Fine, Subterranean, Precise.

Dungeons & Dragons (5th Edition)

Item Name: Resonant Structural Harmonic-Tuning Fork 904

  • Wondrous Item, Rare (Requires Attunement)
  • Mechanics:
    • Internal Sight: While holding the activated fork, you have Blindsight out to a range of 10 feet. This blindsight only reveals the internal structure of non-living objects and the flow of magical energy (circuits).
    • Precision Tuning: You have advantage on ability checks made with Smith’s Tools or Tinker’s Tools to repair or enhance magical items.
    • Shatter-Point (Action): You strike the fork and touch a non-magical object or a construct. The next time that object or creature takes damage before the end of your next turn, it takes an additional 2d6 thunder damage.
    • Stabilizing Hum: If you are within 5 feet of an item being enchanted or attuned, the item has a +5 bonus to any “stability” or “shatter” saving throws required by the process.
  • Syntax: “A shimmering, concentric heat-haze ripples outward from the silver-electrum metal, illuminating the micro-fractures in the material below.”

Knave (2nd Edition)

Item Name: Tuning Fork 904

  • Item Slots: 1
  • Game Mechanics:
    • See Inside: When struck, the user can see through up to 6 inches of metal or stone for 1 round. Useful for finding hidden compartments or cracks in dungeon walls.
    • Safe Enhancement: If used while upgrading gear, the item’s Durability cannot be lowered by a “poor” roll during the crafting process.
    • Acoustic Ping: Can detect the presence of invisible or hidden constructs/automata within a room by listening for their mechanical resonance.
    • Fragile Calibration: If the wielder falls or takes a heavy blunt hit, they must make a DEX save or the fork loses its tuning, becoming a mundane (though expensive) piece of silver-electrum until repaired by a master.
  • Tags: Sensory, Tool, Fragile, Silvered.

Fate (Core/Condensed)

Item Name: The 904 Harmonic-Tuning Fork

  • Type: Extra
  • Aspect: Resonant Silver-Electrum Alloy
  • Game Mechanics:
    • Structural Intuition: You gain a +2 bonus to Crafts or Investigate actions when diagnosing internal flaws or magical circuit misalignments in non-organic objects.
    • Blind-Sight Echo: Once per scene, you may use the fork to perceive the internal layout of a structure or machine, ignoring darkness or visual obstructions within your immediate zone.
    • Circuit Stabilization: When assisting an ally with an enhancement or attunement roll, you may spend a Fate Point to negate a single “sunder” or “shatter” complication.
    • Shatter-Point Focus: Spend a Fate Point to create the situation aspect Vibrational Weakness on an enemy’s armor or a mechanical construct with two free invokes.
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool

Numenera & Cypher System

Item Name: Structural Resonance Probe 904

  • Level: 1d6
  • Form: A two-pronged fork of exotic silver-electrum alloy that hums at a low frequency.
  • Effect:
    • Diagnostic Pulse: The user gains an asset to any task involving the repair, modification, or identification of mechanical and crystalline structures.
    • Internal Perception: While the fork is active, the user perceives the internal components of a machine or wall as if they were translucent, granting a +1 to any task to find hidden panels or weak points.
    • Stability Field: Any task attempted to enhance an item while the fork is active has its difficulty decreased by one step to prevent structural failure.
  • Depletion: 1 in 1d20
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool

Pathfinder (2nd Edition)

Item Name: Resonant Structural Harmonic-Tuning Fork 904

  • Item 4 | Rare | Divination | Arcane | Sonic
  • Usage: held in 1 hand; Bulk: L
  • Game Mechanics:
    • Internal Sight: While holding the vibrating fork, you gain Blindsight out to 10 feet, but only for perceiving the internal structure and magical circuits of non-living materials.
    • Structural Intuition: You gain a +1 item bonus to Crafting checks to Repair or craft items made of metal or crystal.
    • Stabilize Circuit (Action): (Frequency: once per 10 minutes) You strike the fork to stabilize an item undergoing high-tier attunement, granting a +2 circumstance bonus to the item’s next saving throw against shattering.
    • Shatter-Point Focus (Action): You strike the fork and touch an object or construct to find its resonant frequency; the next attack made against that target ignores 2 points of its Hardness or Physical Resistance.
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool

Savage Worlds (Adventure Edition)

Item Name: 904 Tuning Fork

  • Type: Weird Science Device
  • Rank: Novice
  • Game Mechanics:
    • Acoustic Diagnostic: Grants the user a +2 bonus to Repair and Notice rolls when inspecting or fixing metal machinery and magical artifacts.
    • Blind-Sight Echo: The user can activate the detect arcana power (with the Limitation of only working on non-living structures) using their Repair skill as the arcane skill.
    • Circuit Stabilization: If used during an enhancement project, any roll that would result in a “Critical Failure” is treated as a normal failure instead, preventing the item from being destroyed.
    • Shatter-Point Focus: As an action, a successful Repair roll identifies a flaw; the next attack against that object or construct gains +2 AP.
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool

Shadowrun (6th World Edition)

Item Name: Saṃsāra-Tech 904 Harmonic Analyzer

  • Type: Magical/Technical Tool
  • Availability: 4I
  • Cost: 4,200¥
  • Game Mechanics:
    • Internal Sight: While the fork is active, the user gains a +2 dice pool bonus to Engineering tests to diagnose or repair mechanical systems or magical foci.
    • Blind-Sight Echo: The user can perceive the internal “circuits” of an object as if using Astral Perception, but limited to the physical structure of non-living objects within 5 meters.
    • Circuit Stabilization: When used during the attunement or enchantment of a focus, it reduces the effective Threshold for the test by 1 (minimum 1) to prevent “Circuit-Snapping”.
    • Shatter-Point Focus: As a Minor Action, the user can identify a structural flaw; the next attack against that object by the user or an ally gains +2 Armor Penetration.
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool

Starfinder (2nd Edition / Playtest)

Item Name: Resonant Structural Harmonic-Tuning Fork 904

  • Item 4 | Rare | Tech | Magical
  • Price: 2,100 credits
  • Usage: held in 1 hand; Bulk: L
  • Game Mechanics:
    • Internal Sight: While holding the vibrating fork, you gain Blindsight out to 10 feet, but only for perceiving the internal structure and magical circuits of non-living materials.
    • Structural Intuition: You gain a +1 item bonus to Engineering or Crafting checks to Repair or modify items made of metal or crystal.
    • Stabilize Circuit (Two Actions): Once per 10 minutes, you can strike the fork to stabilize an item undergoing high-tier attunement, granting a +2 circumstance bonus to the item’s next saving throw against shattering.
    • Shatter-Point Focus (Two Actions): You strike the fork and touch an object or construct to find its resonant frequency; the next attack made against that target ignores 2 points of its Hardness or Physical Resistance.
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool

Traveller (Mongoose 2nd Edition)

Item Name: TL13 Resonant Diagnostic Fork

  • Tech Level: 13
  • Weight: 0.5 kg
  • Cost: Cr 4,500
  • Game Mechanics:
    • Acoustic Diagnostic: Grants a +2 DM to Mechanic or Engineer tests when identifying internal flaws in hulls, machinery, or crystalline components.
    • Internal Perception: The user may ignore the effects of total darkness when interacting with a machine or structure within 3 meters.
    • Circuit Protection: If used during the installation of high-tech or psionic components, the DM for any “catastrophic failure” on the mishap table is reduced by -2.
    • Structural Weakness: As a Significant Action, a successful Science (Physics) check identifies a resonance point; the next hit against that structure inflicts +1D damage.
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool

Warhammer (Age of Sigmar: Soulbound)

Item Name: 904 Harmonic Tuning Fork

  • Rarity: Rare
  • Price: 450 drops
  • Game Mechanics:
    • Internal Sight: While the fork is active, the user perceives the internal components of a machine or wall as if they were translucent, granting a +1D to any Mind (Crafting) task to repair or modify items.
    • Blind-Sight Echo: The user has Blind-Sight (Short Range) for the purpose of perceiving non-living structures and magical flows.
    • Circuit Stabilization: When an ally is making a test to enhance an item, you can use the Help action to grant them a +2D bonus instead of +1D, specifically to prevent the item from shattering.
    • Shatter-Point Focus: As an Action, you identify a flaw in a construct or object’s armor; the next attack against it by any ally in the same Zone ignores 1 point of Armor.
  • Specific Slot: Hand-held (Occupies 1 Hand) or Belt-loop (Worn)
  • Tags: Sensory, Correction-Apparatus, Silver-Electrum, Harmonic-Tuning, Blind-Sight, Circuit-Alignment, Gestalt-Tech, Tier-1, Structural-Integrity, Acoustic-Detection, Enhancement-Safe, Precision-Tool