Arcturus Defense Solutions Cranial Pressure Evacuation Drill

medical

Arcturus Defense Solutions Ironback APC — 'The Pallbearer'

vehicle

Arcturus Defense Solutions Laminar Pursuit Frame

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Arcturus Defense Solutions Ocular Predator Suite — 'Hawkline'

augmentation

Arcturus Defense Solutions Kinetic Echo Harness — 'The Understudy'

augmentation

Arcturus Defense Solutions Reflex Splice — 'Razorwake'

augmentation

Arcturus Defense Solutions Skeletal Anchor System — 'The Ballast'

implant

Arcturus Defense Solutions Proprioceptive Lattice Sleeve

augmentation

Arcturus Defense Solutions Thermal Parallax Reticle

sensor

Arcturus Defense Solutions Thalamic Override Spike

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Arcturus Defense Solutions Trauma Suppression Kit Mk. II

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Funerary Static Generator — 'The Eulogy'

comms

Helix Biosystems Autonomic Shunt Array — 'The Undersleep'

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Helix Biosystems Cortical Depth Index

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Arcturus Defense Solutions Vestibular Dominance Engine

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Helix Biosystems Cortical Patience Engine

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Helix Biosystems Peristaltic Load Distributor

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Helix Biosystems Meningeal Pressure Dressing

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Helix Biosystems Subdermal Whisper Node

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Helix Biosystems Sanguine Carrier Implant

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Helix Biosystems Subdermal Pressure Lattice

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Helix Biosystems Synaptic Throttle — 'The Governor'

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Helix Biosystems Synaptic Carrier Implant

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Helix Biosystems Vagal Suppressor Array — 'The Quietus'

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Helix Biosystems Vagal Resonance Dampener

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Helix Cortex Laminate — 'The Second Skin'

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Ironclad Agrisystems Circadian Anchor Implant

augmentation

Lazarus Pharmaceuticals Adrenal Phantom Graft — 'The Surge'

augmentation

Lazarus Pharmaceuticals Mnemonic Tide Reservoir

implant

Lazarus Pharmaceuticals Endocrine Regulator — 'Stillwater'

augmentation

Lazarus Pharmaceuticals Hematic Sentinel Array — 'The Warden'

implant

Lazarus Pharmaceuticals Nociceptive Threshold Adjuster

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Lazarus Pharmaceuticals Retinal Ghost Laminate

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Lazarus Pharmaceuticals Osseous Resonance Implant — 'The Tuning Fork'

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Ouroboros Energy Thermal Regulation Core

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Lazarus Shade — Thermal Phantom Injector

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Lazarus Pharmaceuticals Synaptic Echo Vault

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Ringo Corponation Lithocast Dead Drop Terminal

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Ringo Corponation Haptic Signature Recorder

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Palladian Construction Proprioceptive Lattice Frame

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Ringo Corponation Fractal Handshake Coin

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Ringo Corponation Pharyngeal Signal Bridge

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Ringo Corponation Slipframe Courier Bike — 'The Needle'

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Ringo Corponation Mnemonic Excision Clip

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Specter ID Spoofer — 'Janus Mask'

stealth

Ringo Corponation Synaptic Overlay Codec — 'The Prompter'

augmentation

Tessera Corponation Ambient Inference Engine

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Tessera Corponation Linguistic Decomposition Engine

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Tessera Corponation Distributed Reflex Mesh

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Tessera Corponation Distributed Triage Lattice

medical

Tessera Corponation Dermal Cipher Lattice — 'The Palimpsest'

implant

Tessera Corponation Neuroshock Suppression Patch — 'The Pall'

medical

Tessera Corponation Lymphatic Flush Armature

medical

Tessera Corponation Mnemonic Anchor Suite — 'The Cairn'

augmentation

Tessera Corponation Ossified Dead Drop Node

comms

Tessera Corponation OcularNet Weave — 'Prisma'

augmentation

Tessera Corponation Palimpsest Identity Engine

implant

Tessera Corponation Ocular Depth Compiler

augmentation

Vantablack Media Confessor Tap — 'The Booth'

comms

Tessera Whisperline Codec

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Vantablack Media Null Carrier Relay

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Vantablack Media Subharmonic Identity Mask

stealth

Zheng-Dao Bioelectric Axonal Frequency Bridge

comms

Vantablack Media Subvocal Ghost Codec — 'The Murmur'

implant

Vantablack Media Retinal Compositor Suite

augmentation

Zheng-Dao Bioelectric Fascia Conductor Mesh

augmentation

Zheng-Dao Bioelectric Galvanic Dermis Overlay

armor

Zheng-Dao Bioelectric Cortical Pressure Valve

augmentation

Zheng-Dao Bioelectric Limbic Echo Implant — 'The Confessor's Ear'

augmentation

Zheng-Dao Bioelectric Galvanic Stim Baton

medical

Zheng-Dao Bioelectric Galvanic Resuscitation Frame — 'The Pallbearer's Daughter'

medical

Zheng-Dao Bioelectric Limbic Gradient Modulator

augmentation

Zheng-Dao Bioelectric Ossiform Signal Lattice

implant

Zheng-Dao Bioelectric Neural Cipher Bridge

comms

Zheng-Dao Bioelectric Peristaltic Breach Driver

utility

Zheng-Dao Bioelectric Peristaltic Transit Pod

vehicle

Zheng-Dao Bioelectric Proprioceptive Lattice — 'Groundwork'

augmentation

Zheng-Dao Marrow-Pulse Implant

comms

Zheng-Dao Bioelectric Sensorium Graft — 'The Cartographer'

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VitaCore FloraBond Microbiome Regulator

health

FENRIS INDUSTRIAL HaulBend DG-Heavy Leg

digitigrade_leg

Atelier Veridian Chroma Sensus ELF Bridge Luxe

bci

NeuralPath ArcanaTouch Tactile Precision Implant

sensory

Stormvein Dynamics PelagicStride DP-3 Aquatic Leg

leg

VESPER AESTHETICS Veilstrike Socialite Combat Eye

ocular

VESPER AESTHETICS Obsidian Vigil DualMode Eye

ocular

PulsePoint LuxAdapt Low-Light Vision Mod

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PulsePoint AuraGland Pheromone Synthesis Node

cosmetic

Arcturus Defense Solutions CrisisNet BT-4 Battlefield Triage

bci

NeuralPath CivID Plus Identity & Payment BCI

bci

NeuralPath ClearRun Focus Regulation Implant

cognitive

Tessera Corponation Prometheus Tier-5 Multi-Stream Tactical

bci

SynapTech IrisBloom Ocular Color Modulator

cosmetic

FENRIS INDUSTRIAL DigiHaul Loadframe LX-7

digitigrade_leg

SynapTech Muse Direct Neural-to-Medium Creative Interface

bci

CRUCIBLE Ashveil Phantom Stealth Arm

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CRUCIBLE Vantage Artisan Precision Hand

misc

Chromeworks Silhouette-S Ghost Walker Leg

leg

VESPER AESTHETICS Mirage Dual-Mode Social Eye

ocular

CHROMEWORKS Phantom Veil Stealth Ocular System

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Stormvein Dynamics PelagicStride DP-3 Aquatic Leg

The PelagicStride DP-3 is a full bilateral leg replacement designed for sustained aquatic operation, featuring a hydrodynamic outer shell contoured to minimize drag in the water column and an articulated foot chassis that deploys integrated composite swim fins via a neural command or automatic water-pressure trigger below 0.5 meters depth. The internal pressure-compensation system equalizes mechanical joint tolerances to 200 meters depth, preventing the joint seizure that plagues standard cyberlimbs in deep-water environments. On land, the fins retract flush and the leg operates with a near-normal gait profile.

The DP-3 is the professional standard for GLMZ's subaquatic infrastructure workers, who maintain the city's lake-bed cable runs, flood-gate systems, and deep-water intake tunnels. Sport divers and competitive open-water swimmers also run them, and a small but vocal community of off-grid lake-dwellers considers them essential survival hardware.

name	Stormvein Dynamics PelagicStride DP-3 Aquatic Leg
brand name	STORMVEIN DYNAMICS
product name	Stormvein Dynamics PelagicStride DP-3 Aquatic Leg
aliases	Fins Stormfeet Deepwalkers
category	leg
body location	legs
manufacturer	STORMVEIN DYNAMICS
tier availability	Tier 2-4
legality	Licensed
installation requirements	Full limb replacement, pressure-rated neural conduit housing required, Stormvein-certified installation recommended for warranty coverage
rejection risk	Low — biocompatible pressure-sealed conduit housing prevents interface degradation; standard rejection protocol sufficient
maintenance	Post-dive joint flush recommended after saltwater or chemical exposure; fin deployment mechanism lubrication monthly; pressure-seal integrity check every 6 months
specifications	{"weight_per_unit_kg": 4.1, "max_depth_rating_m": 200, "fin_deploy_trigger_depth_m": 0.5, "fin_material": "carbon-composite articulated", "swim_speed_kph": 9.2, "land_gait_deviation_pct": 8, "waterproof_rating": "IPX8", "pressure_compensation": true, "thermal_insulation_rating": "ISO 3"}
side effects	Fin deployment reflex can trigger in heavy rain or flooding above ankle depth, causing gait disruption Thermal insulation reduces tactile sensation in foot and lower ankle in warm environments Pressure-compensation system creates a faint audible click during rapid depth changes that some users find socially conspicuous Neural adaptation to dual-mode locomotion (swim vs. land) takes 4-6 weeks and causes intermittent coordination errors during transition period
cultural context	Stormvein legs carry a blue-collar prestige in the subaquatic maintenance trades — they mean you work the deep infrastructure that keeps the whole city alive. Topside residents rarely see them, which gives Deepwalkers an air of mystery in Shelf social spaces.
known users	Subaquatic infrastructure maintenance workers Commercial and sport divers Lake-bed salvage and recovery crews Competitive open-water swimmers Off-grid lake-community residents
story hooks	A subaquatic maintenance worker has gone missing in the deep cable runs beneath the Shelf; her DP-3 legs are transmitting a location signal from a section of tunnel that officially doesn't exist Stormvein's pressure-seal formula was stolen and is being used to manufacture counterfeit DP-3s that fail catastrophically at depth — someone is selling them to budget-strapped infrastructure workers An off-grid lake community is being pressured to relocate; their DP-3-equipped members are the only people who know the true depth of whatever the city is trying to build down there
street price	Φ34,000
licensed price	Φ61,000