TCM 612 of the Laminar Flow

Lore: In the hydro-industrial sectors of Saṃsāra, where massive jade pipes transport liquid qi to power the floating metropolises, “Pipe-Walkers” and “Flow-Seers” are tasked with maintaining the delicate balance of pressure and velocity. The TCM 612 was engineered by the Gilded Hydrologists, a sect of physicians who realized that the laws of Traditional Chinese Medicine—balancing the flow of qi—mirrored the physics of fluid dynamics. This item is a series of interconnected, copper-etched brass rings and flexible, mercury-filled glass conduits that wrap around the forearm. It allows a Tier 1 avatar to treat liquids not as obstacles, but as extensions of their own meridian system, smoothing out turbulence in both the environment and their own internal energy.


Detailed Stats

  • Tier: 1
  • Rarity: Common
  • Item Slot: Wrist / Forearm (Bracer)
  • Material: Etched Brass, Alchemical Mercury, Tempered Glass, Silk Padding
  • Weight: 0.8 lbs
  • Attunement: Required (Sensing the “Pulse of the Pipe”)

Skills Gained (While Openly Worn)

  • Hydraulic Intuition: The wearer can instantly calculate pressure differentials and flow rates of any liquid they can see or touch. This provides a bonus to identifying leaks, structural weaknesses in dams, or the bypass valves of steam engines.
  • Meridian Alignment: By syncing their pulse with the hum of the mercury in the bracer, the wearer gains a bonus to concentration checks and steady-hand tasks involving delicate mechanical or alchemical work.

Passive Magics

  • Drag Reduction: The bracer emits a subtle field that minimizes friction between the avatar’s body and any liquid medium. While swimming or moving through knee-deep water, the avatar does not treat the liquid as difficult terrain.
  • Turbulence Dampening: When the avatar is struck by a liquid-based attack (such as a pressurized water jet or a splashing chemical), the bracer automatically redirects the energy of the flow around the avatar’s body, reducing the force of impact.

Activable Magics

  • Laminar Strike: Once per short rest, the wearer can touch a body of liquid and force it into a state of perfect laminar flow. This can be used to create a momentary, solid-looking bridge of water across a gap or to turn a chaotic spray into a precision “needle” of water capable of cutting through thin wood or rope.
  • Pressure Equalization: As a reaction, the wearer can tap the central brass dial to instantly equalize the internal pressure of their body with the surrounding environment. This protects the avatar from the crushing depths of deep water or the explosive decompression of a ruptured steam pipe for 1 minute.

Tags: TCM, Fluid-Mechanics, Hydrology, Pressure-Control, Support, Wrist-Slot, Common, Tier-1, Laminar-Flow, Kinetic-Redirection, Industrial, Tool, Equilibrium, Navigation, Steam-Tech, Precision, Hydro-Acoustic, Viscosity-Shift, Bernoulli-Sync, Streamline, Pipe-Walker, Valve-Mastery, Aqueous-Shield, Kinetic-Siphon, Vortex-Dampening, Gauge-Sight, Liquid-State-Logic

In the world of Saṃsāra, the TCM 612 of the Laminar Flow is less an object of high-art and more a piece of essential industrial equipment. It is common wherever the “Qi-Plumbing” of the world is visible—from the massive dam-works of the River Kingdoms to the steam-choked under-tiers of the floating cities.

How the Item is Obtained

The TCM 612 is usually acquired through civic or industrial channels:

  • The Guild Apprenticeship: Aspiring Hydrologists or Pipe-Walkers are often issued a standard-grade bracer upon completing their first certification in “Flow Logistics.”
  • Salvage from Ruptured Vaults: After a major industrial accident or a steam-pipe explosion, scavengers search the flooded lower levels for these bracers, as their “Pressure Equalization” magic often ensures they remain intact even when the wearer does not.
  • Corporate Surplus: In the megacities, older versions of the TCM 612 are frequently auctioned off in bulk when the city updates its hydraulic infrastructure to a higher tier.

Types of Shops and Market Locations

  • The Steam-Fitter’s Commissary (Industrial Hubs & Lower City Districts)
    • Description: A utilitarian storefront smelling of grease, hot metal, and ozone. The walls are lined with bins of brass fittings and rolls of glass tubing.
    • The Buying Experience: The shopkeeper is usually a harried clerk with a mechanical pencil behind their ear. They will test the bracer on a “test pipe” to ensure the mercury flow is laminar and the rings don’t rattle under pressure.
    • Cost: 22 to 26 Silver. This is the standard “working man’s price” for a reliable tool.
  • The Surveyor’s Outfitter (Canal Cities & River Ports)
    • Description: Located on the docks or near the great locks of the river systems. These shops cater to those who must explore the wilder, unpiped waters of Saṃsāra.
    • The Buying Experience: The seller is likely a retired navigator. They will emphasize the “Drag Reduction” passive, pitching it as a life-saver for those who might fall overboard into a rapid current.
    • Cost: 28 to 32 Silver. The slight markup accounts for the additional waterproofing and environmental seals needed for outdoor use.
  • The Alchemical Hardware Exchange (Academic Districts & Research Hubs)
    • Description: A clean, organized shop where every item is tagged with a Mind’s Eye frequency. It serves alchemists who need the “Meridian Alignment” for precise liquid measurements.
    • The Buying Experience: You are provided with a velvet tray and a magnifying glass to inspect the copper etchings. The focus here is on the “Hydraulic Intuition” skill and the item’s precision.
    • Cost: 4 to 6 Gold. At this price, the bracer is often polished to a mirror finish and comes with a leather-bound logbook for recording flow-rate calculations.

Selling the Item

  • To a Scrap Merchant: If the glass conduits are cracked or the mercury is sluggish, you will only receive 2 to 3 Silver for the raw brass and copper.
  • To a Technical Recycler: A functioning unit sold to a repair shop will fetch 11 to 13 Silver. They will “flush the meridians” and resell it as a refurbished unit for a profit.

In the world of Saṃsāra, the TCM 612 of the Laminar Flow allows an avatar to interact with the world through the lens of fluid dynamics. Roleplaying this item involves describing the transition from chaotic, turbulent motion to smooth, predictable lines of force.

Offense: The Streamlined Strike

Offensive roleplay with the TCM 612 focuses on weaponizing the physical properties of liquids—velocity, pressure, and mass—by turning them into “laminar” shapes.

  • Industrial Steam-Foundries: In areas filled with high-pressure pipes, the avatar uses Hydraulic Intuition to identify a “stress node” in a nearby valve. Roleplay involves the avatar tapping the pipe with their bracer, causing the steam to leak in a perfectly straight, needle-thin jet (Laminar Strike) that pierces an enemy’s armor like a physical spear.
  • Submerged Ruins or Flooded Caves: While underwater, the avatar uses Drag Reduction to move with terrifying speed. Roleplay describes the water parting around the avatar in silent, perfect curves, allowing them to close the distance for a melee strike before the opponent even feels the displacement of the water. The attack itself is described as a “Hydraulic Punch,” where the water trailing the avatar’s arm adds its mass to the blow.
  • Riverfronts and Docks: The avatar can touch the surface of a river to trigger a Laminar Strike. Roleplay describes the churning, muddy water suddenly freezing into a glassy, solid-looking “tongue” of liquid. This pillar of water can be slammed into a foe with the weight of a falling tree, or used to trip a charging enemy by making the ground beneath them frictionless and solid.

Defense: The Equalized Guard

Defensive roleplay centers on the redirection of force and the protection of the avatar’s internal “meridians” from external pressure.

  • Deep-Sea Trenches and High-Pressure Zones: When navigating “Deathly Areas” at extreme depths, the avatar activates Pressure Equalization. Roleplay involves describing the mercury in the glass conduits glowing a dull, protective red. The avatar does not feel the “crush” of the ocean; instead, they describe their body feeling as though it is part of the water itself, allowing them to move freely where others would be flattened.
  • Urban Fire-Fights (Chemical or Water Cannons): Against pressurized liquid weapons, the avatar utilizes Turbulence Dampening. Roleplay describes the avatar crossing their forearms; as the high-pressure jet hits the bracer’s field, the water “breaks” and flows smoothly around the avatar in a protective teardrop shape, leaving the character dry and unmoved by the kinetic force.
  • Mechanical Boiler Rooms: In the event of a steam explosion, the avatar roleplays a “Flow-Seer’s Reflex.” By touching the expanding cloud of scalding vapor, they use the bracer to “calm” the air, turning the turbulent, burning heat into a laminar stream that flows harmlessly over their shoulders and away from their allies.

The Gestalt Perspective (Tier 2 and Above)

For a character controlling multiple avatars, the TCM 612 becomes a tool for “Flow-Linking.” One avatar might use a Laminar Strike to create a steady, solid stream of water across a pit of acid, while a second avatar—sensing the stability of the flow through their shared Mind’s Eye—sprints across the water-bridge with absolute confidence. The roleplay emphasizes the mechanical synchronization between the “Fluid Logic” of the bracer and the shared consciousness of the avatars.

Perception of Activation:

  • User’s Perspective
    • The moment of activation feels like a sudden “hushing” of the world’s noise; the chaotic splashing of water and the hiss of steam resolve into a singular, rhythmic vibration felt in the marrow of the arm.
    • The mercury within the glass conduits begins to circulate with a weightless, gyroscopic force, making the forearm feel as though it is floating in a perfect vacuum.
    • Visually, the avatar’s field of vision is overlaid with “flow-lines”—glowing cyan vectors that trace the path of every moving liquid, revealing hidden eddies and high-pressure points behind solid walls.
    • Extra-sensory: The user experiences “Barometric Synesthesia,” where they can “hear” the weight of the atmosphere and “taste” the mineral content of water vapor in the air as a series of metallic notes on the tongue.
  • Observer’s Perspective
    • The etched brass rings on the bracer begin to spin or realign with a sharp, mechanical click-clack sound, emitting a faint, steady hum like a distant turbine.
    • The alchemical mercury glows with a cold, silver light, and the air immediately surrounding the bracer seems to shimmer and clarify, as if all humidity has been sucked into a tight, invisible spiral.
    • Any liquid the avatar touches instantly loses its spray and foam, smoothing out into a glassy, silent surface that looks more like polished stone than water.
    • Extra-sensory: Observers with high Qi-sensitivity feel a “thinning” of the air nearby, as if the oxygen has become more organized and easier to breathe, radiating a sense of mathematical calm.
  • Positives
    • The avatar experiences a total lack of “environmental drag,” moving through physical resistance with the effortless grace of a needle through silk.
    • A profound sense of “Calculated Certainty” emerges; the user no longer guesses where a leak is or how a wave will break—they simply know the physics before they happen.
    • Mental static is purged; the “Meridian Alignment” acts as a rhythmic metronome that prevents panic and keeps the avatar’s heart rate perfectly steady even in life-threatening depths.
  • Negatives
    • The user suffers from “Equilibrium Vertigo” once the item is deactivated, often feeling like they are “tripping” over the sudden return of friction and air resistance.
    • Protracted use leads to “Hydraulic Numbness,” where the arm feels cold and artificial, as if the flesh has been temporarily replaced by the very brass and mercury of the device.
    • Extra-sensory: The user may become hypersensitive to “Turbulent Static”—the chaotic, unaligned qi of crowded cities or stormy weather—which can manifest as a sharp, piercing migraine if the bracer is pushed beyond its Tier 1 limits.

Crafting Recipe: The Bracer of the Laminar Meridian (TCM 612)

Materials Needed

  • Annealed “Flow-Grade” Brass (3 Strips): High-zinc brass tempered in mineral oil to ensure it does not crack under the high-frequency vibrations of hydraulic qi.
  • Alchemical Mercury (2 Vials): Purified through nine distillations; it must remain liquid even at sub-zero temperatures to act as the device’s “qi-gyroscope.”
  • Boro-Silicate Glass Tubing (12 Inches): Flexible, heat-resistant glass capable of withstanding the internal pressure of equalized qi-flow.
  • Conductive Silver Solder: Used to join the copper etchings to the brass rings, ensuring a seamless path for the user’s energy.
  • Sea-Silk Padding (1 Roll): Harvested from deep-sea mollusks; this padding prevents the vibration of the bracer from bruising the wearer’s flesh.
  • Valve-Spring Copper Wire (5 Feet): Coiled tightly to create the “Tension-Gates” that regulate the mercury’s velocity.

Tools Required

  • Precision Lathe: Used to etch the microscopic “streamline” patterns into the brass rings.
  • Glass-Blowing Torch: A miniature, focused flame for bending the mercury conduits into the correct geometric spirals.
  • Qi-Pressure Gauge: A diagnostic tool used to measure the “hum” of the mercury to ensure it is perfectly balanced.
  • Vacuum Pump (Hand-Crank): To remove all air from the glass tubes before sealing the mercury inside; any bubble will cause “vortex-drag” and ruin the item.

Skill Requirements

  • Hydraulic Alchemy (Novice): Understanding how to translate physical fluid pressure into metaphysical qi-potency.
  • Fine Metalworking (Basic): The ability to scribe intricate, functional patterns onto curved surfaces.
  • Meridian Synchronization (Basic): Knowledge of how to align mechanical pulses with the biological rhythm of the forearm.

Crafting Steps

  1. The Etching of Streams: Using the Precision Lathe, scribe the brass strips with the “Seven Patterns of Smooth Water.” These etchings must be deep enough to catch the user’s qi but shallow enough to maintain the metal’s structural integrity.
  2. The Glass Helix: Carefully heat the Boro-Silicate glass and wrap it around a mandrel to create a double-helix conduit. Leave one end open for the mercury infusion.
  3. The Mercury Baptism: Under a vacuum, inject the Alchemical Mercury into the glass helix. Seal the glass with a drop of silver solder while the mercury is in motion, capturing its “kinetic intent” within the tube.
  4. Ring Assembly: Bolt the brass strips into circular rings, sliding the glass helix between the metal layers. The fit must be snug; any rattling during activation will cause a “Turbulence Backlash.”
  5. Circuit Soldering: Using the Silver Solder and Copper Wire, connect the brass etchings to the glass conduit anchors. This creates the path that allows the avatar’s qi to influence the mercury’s flow.
  6. Padding and Calibration: Line the interior of the bracer with Sea-Silk Padding. Once complete, the crafter must tap the brass dial and observe the mercury. If it begins to spin in a silent, glowing loop without heating the glass, the TCM 612 is ready for its first “Pressure-Sync.”

Master-Well and Straightening of Angry Torrent

In the season when the sky-wheels did turn with a screeching of iron-rust, and the Great Pipe of Saṃsāra did leak the “spirit-sweat” into the low-basins, there walked a Craftsman of the Valves named Hian. It is carved in the weeping-stones of the ancient dams that Hian lived in a village where the water was “twisted-and-shouting.” The rivers there did not run, but did “angry-dance,” breaking the pots and the legs of the children with their “vortex-teeth.”

Hian climbed the Mountain of the Pressure-Gauges until he reached the Hermit of the Glass-Vein, a being who possessed the “eye-of-the-current” from a world where the oceans moved in perfect squares. The Hermit sat upon a throne of brass-clockwork that did hum like a sleeping hornet. “I seek the secret of the Quiet-Stream,” Hian spoke, his voice lost in the “chaotic-noise” of the mountain winds. The Hermit did not look at Hian’s face, but at the “whirlpools” in his qi, seeing that Hian’s spirit was like a broken pump, spitting and gasping.

The Hermit took the “heavy-silver” that does not wet the hand and the brass that was birthed in the “center-heat” of the world. He bent the glass tubes into the “snake-that-eats-its-own-velocity” and poured the mercury-life inside. The translation of the elder-scroll says: “The metal did scream as it was forced into the straight-line, and the air did become flat and thin like a sheet of hammered gold.” He bound the rings to Hian’s arm. The ancient glyphs describe it thus: “The copper did bite the skin with the cold-fire of the law, and Hian’s pulse did become as the ticking of the Grand Engine.”

Hian returned to the village. He walked into the “Angry-Torrent” that had swallowed the fields. He did not fight the water with a shovel or a stone. He raised his arm, and the TCM 612 did “sing-the-laminar-song.” The translation is broken here, but it says: “The foam did die. The bubbles did go into the earth. The water became as a sword of glass, silent and sharp, flowing through the village without the shaking of the mud.” Hian became the “King of the Pipes,” for he could make the steam go where he commanded and the floods bow like a servant.

But Hian became “Law-Obsessed.” He believed that all things must be “straight-lines.” He attempted to apply the “Pressure Equalization” to the very hearts of the people, seeking to make their blood flow without the “turbulence of the emotion.” He touched the Great Valve of the World-Meridian, trying to turn the “Chaotic-Qi” of the cosmos into a “Laminar-Void.” As he turned the brass dial, the “Great Back-Pressure” did strike him. The mercury in his bracer turned into a “vortex-of-knives,” and Hian was not drowned, but was “stretched-long” into a single thread of light that did vanish into the pipes forever.

The original rings are said to still be attached to a section of the “Primary-Qi-Main,” glowing with a cold silver light whenever the pressure of the world grows too high. The number 612 is the count of the heartbeats Hian lived after he realized that a river without a ripple is a river that is dead.

The Moral of the Story: He who seeks to master the flow must know that life is found in the eddy and the splash; to make all things perfectly straight is to invite the pressure that shatters the vessel.

Suggested conversions to other systems:


Call of Cthulhu (7th Edition)

Unique Name: The Brass Regulator of Hian

  • Item Type: Artifact / Weird Science
  • Game Mechanics:
    • Hydraulic Intuition: The user gains a Bonus Die on Mechanical Repair or Science (Physics) rolls when dealing with pressurized systems, steam engines, or plumbing.
    • Pressure Equalization (Active): Spend 2 Magic Points to activate. For 1D10 minutes, the user is immune to physical damage from crushing water pressure or vacuum decompression.
    • Turbulence Dampening: The user gains a Bonus Die to Swim checks in rough or stormy water, as the bracer smooths the currents around them.
  • Sanity Cost: 0/1. The sensation of one’s pulse being mechanically overridden by the mercury’s rhythmic “tick” causes a mild dissociative shudder.

Blades in the Dark

Unique Name: Flow-Seer’s Hull-Bracer

  • Item Type: Gadget / Sparkwright Invention (1 Load)
  • Game Mechanics:
    • Laminar Strike: When you Wreck or Skirmish using the environment (steam pipes, canal water, pressurized vats), you gain +1 Effect. You can turn a chaotic spray into a precision cutting stream.
    • Drag Reduction: You ignore penalties to movement or stealth caused by being waist-deep in water or muck. You move through the canals as easily as dry land.
    • Pressure Sync: Spend 1 Stress to automatically succeed on a resistance roll against environmental hazards involving heat, steam, or drowning.
  • Flavor: The mercury in the glass tubes glows silver-white whenever you are near a significant leak or “weak point” in a structure.

Dungeons & Dragons (5th Edition)

Unique Name: TCM 612 Bracer of Laminar Flow

  • Item Type: Wondrous Item, Common (Requires Attunement)
  • Game Mechanics:
    • Fluid Mechanics: You have advantage on ability checks made to interact with or repair hydraulic machinery and steam-based traps.
    • Drag Reduction: You gain a swimming speed equal to your walking speed. Additionally, being underwater does not impose disadvantage on your melee weapon attacks.
    • Pressure Equalization (1/Day): As an action, you gain the benefits of the water breathing spell for 1 hour. During this time, you are also resistant to cold damage.
    • Laminar Strike: When you cast a spell that deals cold or force damage and uses water (like create or destroy water or shape water), you can deal an extra 1d4 damage of that type as you sharpen the flow.
  • Syntax: Worn on the wrist. Occupies the arm slot.

Knave (2nd Edition)

Unique Name: Mercury-Helix Regulator

  • Item Type: Gear (1 Slot)
  • Game Mechanics:
    • Quality: 3/3.
    • Passive: The wearer never treats water, mud, or heavy rain as difficult terrain.
    • Pressure Shield: If the wearer is hit by a trap or attack involving fire, steam, or water, they may roll a DEX Save. On a success, the quality of the bracer drops by 1, but the wearer takes no damage as the flow is redirected.
    • Laminar Tool: The wearer can use a stream of water as a 10-foot long “liquid crowbar” or “glass saw” to open doors or cut rope, provided a water source is available.
  • Restriction: If the glass helix breaks (Quality 0), the mercury leaks out and the wearer must make a CON Save or be poisoned.

Fate Core / Fate Condensed

Unique Name: TCM 612 Bracer of Streamlined Qi

  • Item Type: Extra (1 Refresh)
  • Aspect: The World is a Series of Pipes
  • Game Mechanics:
    • Hydraulic Intuition: You gain a +2 bonus to Notice or Investigate rolls when interacting with plumbing, steam-tech, or water-based traps.
    • Drag Reduction: You may move through water or difficult fluid terrain without needing to roll for movement; you effectively ignore these environmental obstacles.
    • Laminar Strike: Once per scene, you may use Crafts instead of Combat to make an attack, provided there is a nearby liquid source (a pipe, a puddle, or a vat).
  • Cost: If the bracer is hit by a heavy physical blow, the GM may compel the Aspect to represent a mercury leak, causing a temporary “Toxic Fumes” hazard in your zone.

Numenera & Cypher System

Unique Name: Mercury-Helix Flow-Stabilizer

  • Item Type: Artifact (Level 2)
  • Depletion: 1 in 1d20
  • Game Mechanics:
    • Turbulence Dampening: The wearer gains an Asset on all Speed defense rolls against attacks made from within a liquid or gas medium (such as underwater combat or steam-vent hazards).
    • Pressure Equalization (Action): The wearer activates the bracer to become immune to the “Crushing” or “Decompression” effects of extreme environments for one hour.
    • Laminar Strike (Action): The wearer can expend 2 points from their Speed Pool to touch a liquid and fire a high-pressure jet. This deals 4 points of damage to a target within short range.
  • User Perspective: The mercury’s glow pulses in time with your heart, becoming a steady silver beam when the flow is perfect.

Pathfinder (2nd Edition)

Unique Name: TCM 612 Laminar Regulator

  • Item Type: Item 2 (Magical, Transmutation, Invested)
  • Usage: Worn (Bracers); Bulk: L
  • Game Mechanics:
    • Hydraulic Intuition: You gain a +1 item bonus to Lore (Hydraulics) and Thievery checks to disable traps involving water or steam.
    • Drag Reduction: You gain a +5-foot status bonus to your Swim speed. If you do not have a Swim speed, you gain one equal to half your land speed.
    • Pressure Equalization (Action): Frequency: Once per day. Effect: You gain the effects of Water Breathing for 10 minutes.
    • Laminar Strike (Two Actions): Requirements: You are touching at least 1 pint of liquid. Effect: You shape the liquid into a sharp, laminar blade and make a melee spell attack or Athletics check. On a success, the target takes 2d4 slashing damage.
  • Syntax: This item must be worn on a bare forearm to maintain the “Meridian Alignment.”

Savage Worlds (Adventure Edition)

Unique Name: Gilded Hydrologist’s Helix

  • Item Type: Weird Science Gear
  • Game Mechanics:
    • Streamlined: The wearer ignores the “Difficult Terrain” penalty for moving through water up to chest-deep.
    • Turbulence Dampening: The wearer gains +2 to Athletics (Swimming) rolls.
    • Pressure Equalization: As a free action, the wearer can spend 1 Power Point (or use a limited daily charge) to ignore the effects of Pressure and Environmental Cold for the duration of an encounter.
    • Laminar Strike: The wearer can use the bolt power, but only if a liquid source is present. The damage type is always “Force/Water.”
  • Weight: 1 lb.

Shadowrun (6th World Edition)

Unique Name: Mercury-Meridian Flow Stabilizer

  • Item Type: Qi Focus (Level 2)
  • Game Mechanics:
    • Hydraulic Intuition: Adds +2 to Engineering (Hydraulics) or Chemistry tests when analyzing liquid flow or structural integrity of pipes.
    • Drag Reduction: The Adept gains the equivalent of the Water Spirit power; they do not suffer movement penalties in waist-deep water or when swimming.
    • Pressure Equalization: When active, the user ignores the first 2 points of environmental damage from high-pressure water or steam-based hazards.
  • Syntax: Bonding costs 4 Karma. While active, the mercury glows with a soft Aetheric hum visible to those with Astral Perception.

Starfinder (2nd Edition / Playtest)

Unique Name: TCM 612 Laminar Bracer

  • Item Type: Magic Item (Worn)
  • Level: 2; Price: 475 credits
  • Game Mechanics:
    • Hydraulic Intuition: You gain a +1 item bonus to Perception and Engineering checks to detect or fix leaks and hydraulic malfunctions.
    • Laminar Strike (Action): Once per day, you can expend a charge to manipulate a nearby liquid source into a high-pressure line. This functions as a line effect (15 ft) dealing 2d6 Bludgeoning damage (Reflex save DC 13 for half).
    • Drag Reduction: You gain a Swim speed equal to your land speed.
    • Pressure Equalization: You are immune to the environmental effects of “High Pressure” (as per planetary conditions) for up to 1 hour per day.
  • Slot: Wrist.

Traveller (Mongoose 2nd Edition)

Unique Name: TL 13 Hydraulic Management Helix

  • Item Type: High-Tech Utility Gear
  • Game Mechanics:
    • Fluid Mechanics: Grants a DM+1 to Mechanic or Engineer (Power) checks involving ship-board fuel lines, coolant systems, or atmospheric processors.
    • Turbulence Dampening: Provides a DM+2 to Athletics (Dexterity) checks when moving through Zero-G liquid spills or flooded compartments.
    • Laminar Flow (Active): As an incidental action, the wearer can stabilize a leaking pipe or spray, turning a chaotic burst into a steady stream. This makes the DM for a temporary “Quick Fix” automatic.
  • Syntax: Weighs 0.5 kg. Requires a standard TL 12 battery for the active flow-shaping functions (50 hours of standby).

Warhammer (Age of Sigmar: Soulbound)

Unique Name: Aether-Brass Hydro-Regulator

  • Item Type: Artefact (Common)
  • Game Mechanics:
    • Streamline Movement: Your Speed is not reduced by water, mud, or other liquid-based difficult terrain.
    • Pressure Equalization: You are immune to being Crushed or Restrained by effects that rely on water pressure or localized tidal forces.
    • Laminar Strike: Once per turn, when you use the Help action to assist an ally’s attack near a liquid source, you “smooth” the trajectory of the water or air. The ally adds +1d6 to their damage roll.
  • Lore: Forged in the sky-ports of Chamon, these regulators are used by Grundstok riggers to ensure the aether-gold flows without “The Turbulence of Tzeentch.”