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Jumon 512 of the Vigor Binding

—

by

Dale
in

Lore

Crafted by the ascetic mountain runners and marathon monks of Saṃsāra, this item was designed to assist novice avatars pushing the absolute limits of physical endurance. By weaving blessed linen imbued with vocalized Jumon incantations around the wrists and forearms, runners found they could regulate their breathing, steady their muscle fibers, and convert natural kinetic movement into bursts of athletic power. Through rhythmic chanting during intense physical exertion, a Tier 1 athletics avatar can push past lactic fatigue, leap across formidable chasms, and brace their limbs against severe physical strain.

Description

This item consists of a pair of tightly woven, bleached-white linen wrist wraps lined with thin strips of flexible crimson silk. Embroidered along the outer linen in bold, black calligraphic Japanese kanji are continuous Jumon verses of breath control and kinetic flow. The ends of the wraps are secured with polished copper rings etched with running water motifs. When an incantation is vocalized, the black kanji glow with a warm amber light, and a subtle hum ripples through the wearer’s forearm tendons, making the arms and upper body feel weightless yet intensely energized.

Detailed Stats

  • Item Tier: Tier 1 (Common)
  • Armor Check (AC): 1
  • Item Level: 1
  • Item Hit Points: 20 (Base Avatar Max HP + 10)
  • Resilience: 10
  • Weight: 0.5 pounds (0.25 lbs per wrap)
  • Material: Bleached Linen, Crimson Silk, Copper Rings
  • Attunement Requirement: Simple Attunement (1 Minute)

Multiple Passive Magics

  • Enduring Pace: The avatar gains a passive reduction to stamina consumption while running, climbing, or swimming, allowing them to maintain peak athletic exertion for twice as long before incurring fatigue.
  • Grip of the Ascetic: Micro-friction fields generated by the linen weave grant a solid, non-slip grip on wet, icy, or sheer surfaces, preventing accidental slips during climbs or vaults.

Multiple Activable Magics

  • Jumon Incantation of Boundless Spring: The user chants a rhythmic somatic verse (lasting one action) while tightening the wrist wraps. For 1 minute, the user’s vertical and horizontal jump distances are doubled, and their movement speed increases by 10 feet. This ability can be used twice per day.
  • Chanted Brace of Momentum: As a reaction when targeted by a physical push, grapple, or forced movement effect, the wearer utters a sharp, single-word Jumon verse. The wraps surge with kinetic tension, granting a +2 bonus to total AC and physical saving throws against that single action or check. This ability can be used twice per day.

Specific Slot

  • Wrists Slot (Wrist Wraps / Bracers)

Tags

  • athletics, wrists, wrist wraps, jumon, linen, copper, common, tier 1, stamina, mobility, kinetic flow, endurance, marathon, gymnastics, parkour, vaulting, sprinting, agility, acrobatics, fortitude, climbing, exertion, momentum

Commerce and Acquisition of the Vigor Binding

In the world of Saṃsāra, trading in athletic accessories and physical enhancement gear like the Jumon 512 of the Vigor Binding occurs within training academies, athletic guilds, sports outfitters, and open-air bazaars. Because commercial networks are decentralized, pricing and availability fluctuate based on local sporting culture, monk monasteries, and regional merchant factions.

Transactions strictly adhere to Saṃsāra’s traditional trade practices, where merchants set prices based on buyer tier and localized demand.

  • Athletic Outfitters and Gymnasium Guilds: Located in sports arenas, training grounds, and martial arts academies, these shops cater directly to marathon runners, acrobats, and physical competitors. They stock calibrated endurance gear designed to maximize physical output. A Tier 1 avatar can buy the wrist wraps here at their standard base price of 10 silver pieces (1 gold piece). Selling the wraps back through standard World Bank processing nets the Tier 1 seller 9 silver pieces (reflecting the standard 10% tier-based transaction adjustment). Avatars affiliated with the Marathoner’s Guild or Physical Ascetic Order receive a 10% faction discount per merchant tier, dropping the purchase price to 9 silver pieces.
  • Mountain Monasteries and Shrine Bazaars: Found along high-altitude pilgrimage routes and mountain shrines, these vendors specialize in hand-woven linen wraps blessed by resident monks. These holy stalls sell the Jumon 512 for its base price of 10 silver pieces. Selling the item back through standard World Bank processing yields the Tier 1 seller 9 silver pieces.
  • Wandering Frontier Traders: Operating along wilderness roads and remote mountain passes, these itinerant merchants carry essential survival and mobility gear to frontier travelers. Due to transport risks and remote locations, frontier vendors list the wraps for 11 to 12 silver pieces. Selling the item to a frontier trader nets the standard 9 silver pieces via the World Bank system.
  • Black-Market Smuggler Dens and Sub-Level Fences: Situated in pit-fighting arenas, illegal gambling halls, or subterranean dark-markets, these illicit vendors deal in un-inspected or stolen athletic enhancement gear. Smugglers operate entirely in physical coin, bypassing the World Bank system. Purchasing the wraps from a smuggler costs 13 to 15 silver pieces in hard coin. However, if an avatar sells non-registered wraps to a fence with a client desperate for un-tracked athletic performance boosts prior to a competition, the fence may offer up to 17 silver pieces in physical coin on the spot.

Tactical Roleplay Applications: Kinetic Flow and Athletic Momentum

The Jumon 512 of the Vigor Binding acts as a physical amplifier and reactive momentum buffer, translating vocalized spiritual chants into real-time athletic power, grip stability, and kinetic absorption. How an avatar utilizes these wrist wraps changes based on the surrounding environment, balancing acrobatic mobility with reactive physical defense.

Dense Urban Rooftops and Architectural Heights

In high-altitude cityscape chases, steep cathedral roofs, or narrow urban alleys where a single missed footing means a lethal fall, athletic maneuvering is essential.

  • Defensive Usage: When targeted by ranged projectiles or thrown weapons while sprinting across rooftops, the avatar utters a sharp Jumon verse to activate Chanted Brace of Momentum. The amber kanji flare with light, bracing the muscles in the forearms and shoulders to absorb the kinetic shock of incoming arrows or thrown knives, granting a +2 AC bonus while maintaining full sprinting speed.
  • Offensive Usage: Pursuing a target across wide street gaps, the avatar chants the Jumon Incantation of Boundless Spring, doubling their leap distance. The player roleplays executing a long, vaulting leap across a 30-foot chasm between buildings, landing seamlessly behind an opponent to deliver a flying strike or grapple before the target can turn to defend themselves.

Deep Mountain Crags and Sheer Cliff Faces

On icy mountain paths, wet rock faces, or crumbling canyon bridges where natural handholds are slick or brittle.

  • Defensive Usage: Navigating slippery ledges under heavy rains or rockslides, the passive Grip of the Ascetic ensures the avatar’s hands lock onto the stone like iron clamps. If falling rocks or a mountain beast attempts to knock the avatar off the ledge, a quick reaction chant triggers Chanted Brace of Momentum, allowing the player to brace their forearms against the cliff face, anchoring their upper body against the impact without losing their hold.
  • Offensive Usage: Engaging enemies on narrow mountain paths, the avatar uses the active spring incantation to scale vertical cliff walls above the encounter area. The player roleplays climbing sheer stone at incredible speed, leaping down from above with doubled momentum to crush an enemy’s shield line or push them off the ledge.

Muddy Arenas and Dense Jungle Canopies

Inside swampy battlegrounds, mud-filled pit arenas, or thick forest branches where terrain drags down physical stamina.

  • Defensive Usage: In deep mud or thick undergrowth, the avatar relies on the passive Enduring Pace to maintain peak athletic exertion without succumbing to fatigue while heavy armor-clad enemies struggle. When an enemy attempts to pin or tackle the avatar in the mud, activating Chanted Brace of Momentum provides a sudden burst of counter-kinetic force to break the enemy’s grapple grip and slip away cleanly.
  • Offensive Usage: Fighting among towering jungle trees, the avatar chants the zero-fatigue and jumping verses to leap rapidly between high tree branches. The player roleplays swinging from vines and leaping from trunk to trunk, dropping rapidly onto unsuspecting targets with devastating downward momentum before vaulting back up into the canopy.

Perception of Activation:

  • User’s Perspective:
    • Sight: The black calligraphic kanji embroidered into the linen wraps ignite with a deep amber glow, throwing soft light across the forearms. Tiny, shimmering threads of golden kinetic energy ripple beneath the skin along the arm tendons.
    • Sound: A soft, rushing breath sound—like a sudden inhalation of mountain air—echoes in the user’s ears, followed by the crisp, tight snapping sound of linen pulling taut around the wrists.
    • Touch: A sudden surge of soothing warmth flows from the copper rings up the forearms, instantly relieving muscle tightness. The arms and shoulders feel weightless, primed with coiled tension like a compressed steel spring.
    • Smell: The sharp, clean scent of crushed mountain herbs, fresh linen, and dried cedar wood fills the nose.
    • Taste: A faint, refreshing taste of crisp alpine spring water settles on the back of the tongue.
    • Extra-Sensory Perceptions: The user feels a profound somatic awareness of their body’s center of mass, momentum, and muscle fiber recruitment. They perceive the trajectory of leaps, vault angles, and physical impacts as intuitive geometric lines in their mind before committing to the motion.
    • Positives: Instantly eliminates muscular fatigue and joint strain, triples vertical leap confidence, and allows seamless athletic recovery during high-impact maneuvers.
    • Negatives: When the activation ends, a rapid cooling sensation washes over the arms, leaving a mild, temporary throb in the forearms as natural lactic acid accumulates again.
  • Observer’s Perspective:
    • Sight: Spectators see the calligraphic writing on the white linen wraps burst into bright amber light. As the user moves, faint golden trails of kinetic light follow the path of their forearms through the air.
    • Sound: Onlookers hear the vocalized Jumon chant, immediately accompanied by a low, resonant hum from the copper rings and a sharp whoosh of displaced air as the user leaps or braces.
    • Touch: Nearby individuals feel a sudden snap of warm, rushing air radiating outward from the user’s upper body as the wraps tighten.
    • Smell: Those standing nearby catch a subtle whiff of clean, sun-baked linen and cedar wood.
    • Taste: Witnesses in immediate proximity may notice a brief, dry sensation in the air, similar to a sudden rush of mountain wind.
    • Extra-Sensory Perceptions: Spiritually or kinetically attuned observers feel an immediate tightening in the surrounding ambient energy, as if the local space was briefly pulled taut around the user’s physical form.
    • Positives: Clearly demonstrates peak athletic readiness and unyielding physical grace, inspiring confidence in allies during high-stakes maneuvers.
    • Negatives: The vibrant amber glow and visible light trails make stealth or subtle physical movements virtually impossible while activated.

Crafting Recipe: Jumon 512 Replica (Vigor Binding)

Materials Needed

  • Bleached Mountain Linen: 3 yards (tightly woven linen used to form the outer structural wrap).
  • Crimson Silk Lining: 1 yard (soft, fine-grade silk to cushion the skin against skin-chafing and kinetic tension).
  • Etched Copper End-Rings: 2 rings (small, polished copper fasteners carved with running water motifs to lock the wrap ends).
  • Amber Kinetic Inlay: 1 vial (a luminescent liquid compound made of crushed amber resin and powdered conductive copper).
  • Silver-Thread Stitching: 1 spool (durable, magic-conductive silver thread used to bind the silk lining to the linen).

Tools Required

  • Calligraphy Brush & Ink Mortar: Used to draw the Japanese kanji Jumon verses onto the raw linen before curing.
  • Leather-Working Awl & Embroidery Needle: For stitching the crimson silk lining and securing the silver thread.
  • Acoustic Tuning Fork (A-440): Used to set the kinetic resonance frequency in the copper end-rings.
  • Loom & Steam Press: To press, tighten, and shape the linen and silk layers under high heat.
  • Ritual Incense Burner (Cedar & Mountain Sage): Used to cleanse and bless the materials during the binding process.

Skill Requirements

  • Tailoring / Weaving Skill Level: Minimum Level 6 (Requires Skill Level 5 base + 1 additional level for Tier 1 athletic performance output).
  • Kinetic Arcana / Physical Asceticism Skill Level: Minimum Level 6.

Crafting Steps

  1. Cutting and Layering the Fabric: Measure and cut the bleached mountain linen and crimson silk into two matching forearm-length strips.
  2. Inscribing the Jumon Kanji: Using the calligraphy brush, apply the amber kinetic inlay mixed with ink to write the continuous kanji verses of breath control and athletic flow directly onto the outer linen face.
  3. Heat-Setting and Steam-Curing: Pass the inscribed linen through the steam press to set the amber inlay flush into the fabric fibers, ensuring it will glow without bleeding when activated.
  4. Stitching the Silk Lining: Using the silver-thread spool and embroidery needle, hand-stitch the crimson silk to the underside of the linen band to provide skin protection and absorb kinetic recoil.
  5. Fitting the Copper Rings: Attach an etched copper end-ring to the terminal end of each wrap. Strike the acoustic tuning fork and hold it against the copper to set the kinetic resonance frequency.
  6. Somatic Consecration: Light the cedar and mountain sage incense, then recite the Jumon 512 incantation while pulling the wraps taut over a wooden training arm three times to permanently bind the athletic magic to the linen weave.

Fast-Legged Monk and Mountain of White Wind

In the days when the hills of Saṃsāra were still soft like wet mud, and the great sun was only as big as a copper coin, there lived a low runner of paths whose mark upon the scorched brick is named the Man-Who-Runs-Without-Breath.

He was a person of small standing, a Tier 1 dirt-strider who dwelt in the high, cold valley where men had no shoes and lived upon roasted grass seeds. He possessed no heavy iron sword, nor did he ride upon the back of the great armored lizard-beasts. His legs were long and dry like dried willow sticks, and his lungs were filled with three songs about the steep mountain rocks.

In those old times, when the mountain people carried heavy baskets of salt from the lower lakes up to the cloud-temples, their knees would become like soft porridge. They would fall upon the sharp stones, crying out to their ancestors because their thigh-muscles burned like dry wood in a hearth. When the great white mountain-wind blew down from the sky-peaks, many weak runners were blown into the deep stone cracks, breaking their arm-bones and leaving their salt-sacks in the mud.

The Man-Who-Runs-Without-Breath sat upon a flat rock for fifty nights, holding in his left hand two long strips of plain white linen cloth that had been woven by his blind grandmother. He spoke into his own elbows, as the ancient brick poorly recorded: “Why must the leg-man stop his feet when the hill grows tall? A messenger who sits down to weep upon the path is a bird whose wings are made of lead.”

On the fifty-first morning, when the cold ice-mist was biting the tree trunks, a wandering holy man of the mountain Jumon came walking up the slope. He was a master of the throat-words—the ancient chants that make tired flesh grow hard like oak wood and cause the warm spirit-fire to flow into the veins. He carried in his leather bag two small rings made of beaten red copper, carved with lines like running river-water.

When the holy man began to chant his Jumon over the white linen strips, the cloth grew warm like a cooked loaf of bread. The red copper rings began to hum like wild hornets inside a clay pot. The Man-Who-Runs-Without-Breath felt his forearms grow tight and firm, as if two iron bars had been bound along his wrists.

“Lo,” said the Man-Who-Runs-Without-Breath, in the broken translation of the old tablet, “the throat-sounds of the Jumon are strong ropes that tie the flying soul back to the bones of the arm!”

For three long cold seasons, the runner and the Jumon-keeper sat inside a stone cave where the mountain goat sleeps. They took the white linen bands and lined the inside with soft red silk taken from the cocoons of the mountain-worm, so that the skin would not peel when the arm pulled hard. Then, using a small bone needle dipped in yellow amber-gall and copper dust, they painted black calligraphic bird-letters and Japanese Jumon words along the cloth, making the signs glow like hot coals in a dark room.

They fastened the red copper rings to the ends of the bands with strong silver thread, naming the work Jumon 512, though the common mountain-carriers called it The Wrist-Ropes of the Flying Goat.

The great test of the arm-wraps came during the Month of the Falling Mountain, when a great stone-shake broke the high peak of the Cloud-Spire. A giant wall of white ice and sharp rocks came sliding down the slope toward the village of the salt-sellers.

The village chief shouted to the Man-Who-Runs-Without-Breath: “Run up the steep stone face to the High Shrine and ring the bronze warning bell before the avalanche swallows the low houses!”

The path was five leagues long, straight up the sheer rock-cliff, covered in wet ice and wild wind. No strider had ever run it without stopping three times to rest his chest.

The Man-Who-Runs-Without-Breath wrapped the tight linen bands around his forearms and wrists. He did not take a walking stick, nor did he tie iron spikes to his toes. He began to run up the vertical rock, his chest pulling in the frozen air.

The ancient translation records the great miracle with strange and clumsy phrases:

“The black bird-letters upon the arm-cloth did shine with bright yellow fire! A sound like a big mountain-wind coming out of a cave did fill his ears! The red silk did make his arm-bones feel as light as dry straw! He did jump across the forty-foot stone-gap as if he were a flea jumping off a dog’s back, landing upon the wet rock with his toes glued fast!”

The Man-Who-Runs-Without-Breath ran for two hours without stopping to spit or drop his chin. When a huge rolling boulder came spinning down the cliff-path to smash his ribs, he let out a sharp, single-word Jumon shout.

“A great yellow kinetic wave did pop out from his wrist-band!” the ancient brick continues. “The heavy rolling rock was hit by the arm-force and did jump off the path into the deep gorge! His wrist-bones did not snap, and his stride did not slow by one foot-length!”

He reached the High Shrine at the top of the mountain while the avalanche was still half-way down the slope. Reaching out his braced, light-filled arms, he grabbed the heavy iron hammer and struck the bronze bell seven times, warning the salt-sellers below so they might run into the deep stone caves before the white ice buried their homes.

The village chief gave the Man-Who-Runs-Without-Breath three sacks of dried figs and a silver ring. In the years that followed, the loom-masters of the mountain monasteries made many copies of the linen wrist-wraps, so that even the low Tier 1 path-runners might leap across the mountain gaps without their breath failing or their limbs breaking upon the rock.

Moral of the Story: He who binds his strength with disciplined spirit can leap over mountains that break the unready.

Suggested conversions to other systems:

Call of Cthulhu (7th Edition)

Vigor-Binding Wrist Wraps

  • Item Type: Modern / Historical Occult Artifact
  • Era Alignment: Any (Classic 1920s, Modern, Down Darker Trails)
  • Physical Description: A pair of bleached linen wrist wraps lined with crimson silk, embroidered with glowing amber Japanese runes and secured with copper end-rings.

System Mechanics & Attributes

  • Enduring Pace: The wearer gains a +10% Bonus Die to Physical tests (DEX or CON) made to maintain long-term physical exertion, such as marathon running, sustained climbing, or swimming against rough currents.
  • Grip of the Ascetic: Grants a +10% bonus to Climb and Athletics checks when scaling wet, icy, or precarious surfaces.

Activable Abilities

  • Jumon Incantation of Boundless Spring: The wearer spends 2 Magic Points (MP) and recites a rhythmic Jumon chant. For 1 minute, the wearer doubles their leap distance and gains a +10% bonus to DEX-based movement checks (including Dodge or chase-related movement rolls).
  • Chanted Brace of Momentum: As an immediate reaction when targeted by a physical strike, tackle, or grapple attempt, the wearer spends 2 MP and utters a single-word Jumon verse. The wraps surge with kinetic energy, granting one Bonus Die to the wearer’s Dodge or Fighting (Brawl) check to resist or counter the action.

Blades in the Dark

The Vigor-Binding Wraps

  • Item Classification: Fine Arcane / Athletic Accessory
  • Load Value: 0 Load (Worn on wrists)
  • Item Quality: Quality 1 (Fine Item)

System Mechanics & Attributes

  • Fine Athletic Focus: Functions as a Tier 1 Fine item. When performing Prowl, Finesse, or Skirmish actions involving parkour, long leaps, scaling sheer walls, or maintaining momentum through obstacles, the item’s kinetic enhancement grants +1 Quality (or improved Effect) to the action.
  • Enduring Momentum: Gain +1d to Resistance rolls made against physical fatigue, muscle exhaustion, or environmental hazards that would slow your movement pace.

Activable Abilities

  • Boundless Spring (Cost: 1 Stress): You take 1 Stress and recite a rhythmic Jumon chant. For the duration of a high-risk action or chase, your leap distance is doubled, allowing you to clear massive gaps or vault over barricades, improving your Position or Effect during athletic maneuvers.
  • Chanted Brace of Momentum (Special Armor): When you would take physical harm or be pinned/grappled by an enemy or falling obstacle, you may mark your Special Armor box (or treat this item as providing 1 tick of Special Armor per score) and utter a sharp single-word chant. A kinetic pulse erupts from your wrists, completely negating the physical harm or displacement from that action.

Dungeons & Dragons (5th Edition)

Wraps of the Vigor Binding

  • Item Type: Wondrous Item, Uncommon
  • Item Slot: Wrists
  • Attunement: Requires Attunement

System Mechanics & Attributes

  • Armor Check Adjustment: While wearing these wrist wraps, you gain a +1 bonus to Armor Class (AC) as kinetic aura fields deflect incoming blows.
  • Enduring Pace: You have advantage on Constitution checks made to resist exhaustion from forced marches, running, climbing, or swimming.
  • Grip of the Ascetic: You have advantage on Strength (Athletics) checks made to climb wet or difficult surfaces and to maintain your grip on objects or grappled creatures.

Activable Abilities

  • Charges: The wraps have 4 charges. They regain 1d4 expended charges daily at dawn.
  • Jumon Incantation of Boundless Spring (Costs 2 Charges): As an action, you tighten the wrist wraps and speak a Jumon chant. For 1 minute, your jump distance is doubled, and your walking speed increases by 10 feet.
  • Chanted Brace of Momentum (Costs 1 Charge): As a reaction when you are targeted by a physical attack, grapple attempt, or forced movement effect, you speak a sharp single-word Jumon verse. The wraps emit a kinetic pulse, granting you a +2 bonus to AC or advantage on the saving throw/ability check to resist the effect.

Knave (Second Edition)

Chanted Vigor Wraps

  • Item Type: Magical Relic / Athletic Accessory
  • Item Slots: Occupies 1 Item Slot (Wrists)
  • Armor Points (AP): +1 AP (Contributes directly to Armor Class calculation: AC = 11 + total AP)
  • Durability: 3 Usage Dots

System Mechanics & Attributes

  • Enduring Pace: The wearer gains Advantage on Constitution checks made to endure long physical labor, sprinting, or climbing.
  • Grip of the Ascetic: The wearer gains Advantage on Strength checks made to climb difficult surfaces or resist being disarmed.

Activable Abilities

  • Boundless Spring: The wearer spends 1 turn chanting while tightening the wraps, marking 1 Usage dot on the item. For up to 1 turn (10 minutes of exploration time), the wearer’s jump distance is doubled and their movement speed is increased by half.
  • Chanted Brace of Momentum: When an enemy successfully rolls to hit the wearer with a melee attack or attempts to push/grapple them, the wearer may immediately utter a sharp chant and mark 1 Usage dot on the item. A kinetic burst erupts around their wrists, forcing the attacker to reroll their attack or action with Disadvantage.

Fate Core / Fate Accelerated

Vigor-Binding Wrist Wraps

  • Aspects:
    • High Concept: Linen-Silk Wrist Bands of Kinetic Vigor
    • Invoke: Surging Athletic Leaps; Maintaining Unyielding Grip
    • Compel: Bright Amber Light Betrays Position; Sudden Muscular Fatigue After Activation
  • Item Type: Extra (Cost: 1 Refresh or Aspect Investment)

System Mechanics & Attributes

  • Passive Protection & Athletic Endurance: Provides Armor:1 against physical or kinetic strikes via micro-kinetic fields, and grants a +2 bonus to Athletics or Physique rolls made to endure long physical marches, climbing, or running without fatigue.
  • Grip of the Ascetic: You gain a +2 bonus to Athletics rolls made to scale wet, icy, or precarious surfaces without slipping.

Stunts & Activable Abilities

  • Jumon Incantation of Boundless Spring: Once per scene, you may spend a Fate Point and chant a rhythmic Jumon verse while tightening the wraps. You create a temporary Boundless Athletic Spring aspect on yourself. For 1 minute, your jump distance is doubled, and you gain a +2 bonus to movement-based Athletics checks.
  • Chanted Brace of Momentum: Once per scene, as a free action reaction when targeted by a physical strike, grapple, or forced movement attempt, you speak a single-word Jumon verse. A kinetic shockwave bursts from your wrists, adding +2 to your Defend roll against that single action.

Cypher System / Numenera

Vigor Binding Bands

  • Item Classification: Cypher / Artifact (Level 2)
  • Form: A pair of bleached linen wrist wraps lined with crimson silk, embroidered with glowing amber runes and secured with copper end-rings.
  • Depletion: 1 in 1d20 (Check upon activating any ability)

System Mechanics & Attributes

  • Armor Value: Grants +1 Armor against physical and kinetic damage due to localized kinetic-buffering fields around the forearms.
  • Inertial Stance & Enduring Pace: Might defense rolls and tasks related to resisting physical exhaustion, maintaining long-distance sprinting, or climbing slick surfaces are eased (decreases difficulty by 1 step).

Activable Abilities

  • Jumon Incantation of Boundless Spring (Cost: 2 Speed Points): The user chants a short somatic ritual while tightening the wraps. For 1 minute, the user’s running speed and jump distances are doubled, easing all jumping and climbing tasks by 1 step.
  • Chanted Brace of Momentum (Cost: 2 Might Points): As a reaction when targeted by an incoming physical attack, grapple, or knockback effect, the user utters a sharp vocal chant. A compressed kinetic wave erupts from the wrists, easing the Might defense roll against that attack by 1 step.

Pathfinder (Second Edition)

Armbands of the Vigor Binding

  • Item Level: Item 1
  • Traits: Abjuration, Magical, Transmutation
  • Usage: Worn (Wrists / Bracers)
  • Bulk: L (Light)

System Mechanics & Attributes

  • Armor Check Adjustment: Grants a +1 item bonus to Reflex saves against physical hazards and grapple effects. Counts as a worn wrist accessory suitable for Level 1 parameters.
  • Enduring Pace & Grip: Provides a +1 item bonus to Athletics checks made to Climb, High Jump, Long Jump, or perform forced marches without gaining fatigue.
  • Grip of the Ascetic: You gain a +1 item bonus to Athletics checks to maintain your grip on wet or icy surfaces.

Activable Abilities

  • Jumon Incantation of Boundless Spring [two-actions] (Concentrate, Somatic) Frequency: Twice per day. Effect: You tighten the copper end-rings and chant a short Jumon incantation. For 1 minute, your leap distances (both High Jump and Long Jump) are doubled, and your speed increases by 10 feet.
  • Chanted Brace of Momentum [reaction] (Abjuration, Force) Trigger: An attack roll or grapple attempt targets your AC or Fortitude DC. Frequency: Twice per day. Effect: You utter a single-word chant to emit a kinetic shockwave from your wrists. You gain a +2 circumstance bonus to AC or Fortitude DC against the triggering action.

Savage Worlds (SWADE)

Vigor Binding Wrist Wraps

  • Item Type: Gear / Arcane Wrists Slot
  • Min Str: d4
  • Weight: 0.5 lbs.

System Mechanics & Attributes

  • Armor Value: Grants +1 Armor against physical strikes due to micro-kinetic field buffering around the forearms and wrists.
  • Enduring Pace & Grip: The wearer receives a +1 bonus to Athletics rolls made to Climb, Jump, or resist Fatigue from long physical exertion.

Activable Abilities

  • Jumon Incantation of Boundless Spring: As an action, the wearer recites a brief ascending chant while tightening the wraps. For 1 minute (5 rounds), the wearer doubles their jumping distance and gains +2 Pace.
  • Chanted Brace of Momentum: As a free action reaction when targeted by a melee attack, grapple, or knockback attempt, the wearer utters a sharp vocalization to discharge a kinetic shockwave from the wraps. The kinetic burst adds +2 to Parry or subtracts 2 from the attacker’s Fighting roll against them for that single attack.

Shadowrun (6th World)

Spell-Infused Vigor-Binding Wraps

  • Item Type: Armor Accessory / Focus Equipment (Wrist/Arm Slot)
  • Availability: 2(R)
  • Cost: 800 nuyen
  • Armor Bonus: +1
  • Capacity: 1 (Occupied by kinetic magic conductors)

System Mechanics & Attributes

  • Physical Protection: Provides +1 Armor Defense Rating against physical and kinetic attacks via localized kinetic buffering around the forearms.
  • Enduring Pace & Grip: When making Athletics or Body tests for sustained physical exertion (sprinting, swimming, long climbs) or maintaining a grip on slick surfaces, grant a +1 dice pool bonus.

Activable Abilities

  • Jumon Incantation of Boundless Spring: The user spends a Major Action to chant a short somatic ritual while tightening the wraps. For 1 minute, double the user’s base jumping distance and grant +2 meters per turn to Movement speed.
  • Chanted Brace of Momentum: As an immediate Reaction when targeted by an incoming physical attack, grapple, or forced movement attempt, the user utters a sharp vocalization. A kinetic shockwave erupts from the wrists, providing a +2 Defense Rating bonus against that single action.

Starfinder (2nd Edition)

Jumon Vigor Binding

  • Item Level: Level 1
  • Price: 90 credits
  • Category: Tech/Magical Hybrid Armor Accessory (Wristwear / Armwear)
  • Bulk: L (Light)

System Mechanics & Attributes

  • Armor Check Adjustment: Grants a +1 item bonus to Armor Class (AC) against physical and kinetic attacks.
  • Enduring Pace & Grip: Provides a +1 item bonus to Fortitude saves and Athletics checks to resist fatigue from long exertion, as well as checks to Climb wet or precarious surfaces.

Activable Abilities

  • Jumon Incantation of Boundless Spring [two-actions] (Concentrate, Tech, Magical) Frequency: Twice per day. Effect: The user tightens the copper end-rings and chants a short ascending verse. For 1 minute, the user’s High Jump and Long Jump distances are doubled, and their speed increases by 10 feet.
  • Chanted Brace of Momentum [reaction] (Abjuration, Force) Trigger: An attack roll or grapple attempt targets the user’s AC or Fortitude DC. Frequency: Twice per day. Effect: The user utters a single-word chant to emit a kinetic shockwave from the wrists, gaining a +2 circumstance bonus to AC or Fortitude DC against the triggering action.

Traveller (Mongoose 2nd Edition)

Vocalic Vigor-Binding Wraps

  • Tech Level (TL): TL 4 (Steampunk / Early Industrial)
  • Item Category: Personal Armor & Utility Gear (Wrist Slot)
  • Armor Protection: Protection 1 vs. Physical and Kinetic hazards
  • Weight: 0.25 kg
  • Cost: Cr 180

System Mechanics & Attributes

  • Physical Protection: Provides 1 point of Armor against physical strikes and kinetic impacts due to subtle energy buffering around the wrists.
  • Athletic Endurance & Grip: Grants DM+1 on STR/DEX checks made for long-distance running, climbing wet or sheer surfaces, or maintaining balance during high-exertion maneuvers.

Activable Abilities

  • Jumon Incantation of Boundless Spring: The wearer spends 1 action chanting an ascending verse while tightening the wraps. For 10 rounds, double the wearer’s leaping distance and increase ground movement speed by +50%.
  • Chanted Brace of Momentum: As a reaction when targeted by a close-combat attack, grapple, or knockback attempt, the wearer utters a loud vocalization to discharge a kinetic shockwave. The attacker receives DM-2 on their attack check for that specific action.

Warhammer 40,000 (Roleplay System Rules Syntax)

Runed Vigor-Binding Wraps

  • Item Type: Armour Accessory / Wristwear (Arms Slot)
  • Armour Points (AP): 1 (Arms)
  • Craftsmanship: Fine
  • Weight: 0.25 kg
  • Availability: Rare

System Mechanics & Attributes

  • Armour Points: Provides 1 Armour Point to the Arms location against Impact, Energy, and Ranged damage due to localized kinetic buffering fields.
  • Athletic Resilience: The wearer gains a +10 bonus to Agility or Strength tests made to resist fatigue from long physical exertion, scale precarious structures, or maintain a grip on slippery surfaces.

Activable Abilities

  • Jumon Incantation of Boundless Spring: As a Full Action, the wearer recites an ascending hymn of kinetic flow while tightening the wraps. For 1 minute, double the wearer’s vertical and horizontal jump distances and add +2 to their Agility Bonus for calculating Movement.
  • Chanted Brace of Momentum: As a Reaction when targeted by an incoming physical melee attack, grapple, or knockback attempt, the wearer utters a harsh vocal prayer, discharging a kinetic shockwave from the wrists. The attacker takes a -10 penalty to their Weapon Skill test for that single action.