Street Custom 'Cigarette' Pen Gun

improvised firearm

Arcturus Defense Solutions Crowd Control SMG ACSM-3 'Shepherd'

smg

Tessera Neural Assault System TNAS-1 'Puppeteer'

assault_rifle

Ablative Charge Disruption Rifle ACDR-2 'Sandpaper'

cyber

Acoustic Cavity Resonance Pistol ACRP-2 'Hollowpoint'

exotic

Acoustic Marrow Shear Rifle AMSR-6 'Tutor'

exotic

Arcturus Defense Solutions Concussive Breach Charge CBC-3 'Knocker'

explosive

Arcturus Defense Solutions Cryogenic Projector CP-4 'Frostbite'

energy

Arcturus Defense Solutions Directed EMP Rifle DER-5 'Blackout'

electromagnetic

Arcturus Defense Solutions Graviton Shield Projector GSP-1 'Aegis'

heavy

Arcturus Defense Solutions Kinetic Denial System KDS-4 'Bouncer'

heavy

Arcturus Defense Solutions Kinetic Impactor Round KIR-10 'Hammerfall'

rifle

Arcturus Defense Solutions Pulse Carbine PC-6 'Heartbeat'

electromagnetic

Arcturus Defense Solutions Orbital Strike Designator OSD-1 'Finger of God'

heavy

Arcturus Defense Solutions Microwave Area Denial MAD-3 'Sunburn'

energy

Arcturus Defense Solutions Magnetic Accelerator Rifle MAR-8 'Longbow'

rifle

Autonomous Swarm Dispersal Unit ASDU-3 'Locust'

drone

Autonomous Ferrofluid Denial Platform AFDP-2 'Tidemark'

drone

Arcturus Defense Solutions Thermal Lance TL-9 'Sunstroke'

energy

Autonomous Adhesive Denial Drone AADD-2 'Barnacle'

drone

Axiom Systems Biometric Lock Rifle BLR-3 'Personal'

rifle

Autonomous Swarm Dispersal Unit ASDU-4 'Locust'

drone

Axiom Systems Cognitive Grenade CG-1 'Brainstorm'

electromagnetic

Axiom Systems Perception Filter Rounds PFR-1 'Blind Spot'

exotic

Axiom Systems Synapse Interruptor SI-3 'Stutter'

electromagnetic

Axiom Systems Cortical Bomb CB-1 'Leash'

cyber-integrated

Axiom Systems Neural Disruptor ND-2 'Migraine'

electromagnetic

Ballistic Resonance Carbine BRC-6 'Kettledrum'

firearm

Axonal Stretch Resonance Lance

firearm

Bioelectric Cascade Charge

explosive

Barometric Implosion Carbine BIC-5 'Sinkhole'

cyber

Bioelectric Induction Lance BIL-3 'Lamprey'

melee

Biometric Denial Charge BDC-1

explosive

Bioluminescent Acoustic Disruptor BAD-2 'Choral'

exotic

Capillary Disruption Pistol CDP-2 'Bruiser'

firearm

Biophotonic Retinal Cascade Emitter BRCE-5 'Flashpoint'

energy

Carrion Defense Works Bone Saw BS-3 'Butcher'

melee

Capacitive Nerve Induction Lance CNIL-1 'Threadneedle'

energy

Carrion Defense Works Fragmentation Sleeve FS-2 'Shrapnel Hug'

explosive

Carrion Defense Works Entropic Shotgun ES-4 'Ragnarok'

shotgun

Carrion Defense Works Hemorrhage Rifle HR-6 'Bloodletter'

rifle

Carrion Defense Works Nerve Agent Micro-Dart System NAMDS-1 'Whisper'

exotic

Carrion Defense Works Miasma Projector MP-5 'Plague Bearer'

chemical

Carrion Defense Works Marrow Drill MD-7 'Dentist'

pistol

Carrion Defense Works Necrotizing Agent Sprayer NAS-2 'Rot'

chemical

Carrion Defense Works Ricochet Pistol RCH-1 'Billiard'

pistol

Carrion Defense Works Neural Lash NL-3 'Agony'

cyber-integrated

Carrion Defense Works Pathogen Delivery System PDS-4 'Typhoid'

chemical

Catalytic Aerosol Mortar CAM-3 'Lungful'

explosive

Catalytic Vapor Dispersal Charge CVDC-5

explosive

Cavitation Pulse Carbine CPC-2 'Bends'

firearm

Catalytic Interstitial Desiccation Drone CIDD-3 'Husk'

drone

Catalytic Spore Dispersal Drone CSDD-3 'Mulch'

drone

Cavitation Pulse Knuckles CPK-5 'Bloodwater'

melee

Cerulean Phosphene Projector CPP-3 'Phantom Light'

exotic

Cochlear Resonant Hemorrhage Projector

cyber

Coherent Thermal Excitation Rifle CTER-7 'Ashmaker'

energy

Coherent Radiation Scalpel CRS-7 'Suture'

energy

Corneal Piezoelectric Delamination Pistol

cyber

Cryogenic Dendrite Scatter Cannon CDSC-4 'Frostbite'

exotic

Coronal Discharge Projector CDP-9 'Sunburn'

exotic

Cortical Bleed Emitter CBE-4 'Lacuna'

cyber

Counter-Personnel Loiter Munition CPLM-7 'Patience'

drone

Crystalline Synovial Pressure Rifle CSPR-2 'Kneemaker'

exotic

Cryogenic Fracture Disbursement Mine CFDM-4

explosive

Dermal Induction Flayer DIF-2 'Saltwater'

exotic

Cryogenic Pressure Emitter CPE-2 'Frostbite'

energy

Dielectric Filament Anchor Drone DFAD-1 'Cobweb'

drone

Dielectric Hemorrhage Emitter DHE-4 'Blister'

energy

Dielectric Phase Inversion Glove DPIG-4 'Secondskin'

exotic

Dielectric Vitreous Humor Agitator DVHA-2 'Snowglobe'

exotic

Electrochemical Dissolution Sprayer EDS-2 'Lacquer'

exotic

Directed Overpressure Charge

explosive

Directed Oxidation Lance DOL-3 'Rustmaker'

cyber

Electrokinetic Pulse Drone EPD-3 'Thunderhead'

drone

Electrochemical Vapor Seeding Drone EVSD-4 'Rainmaker'

drone

Electrolytic Bone Density Projector EBDP-4 'Chalk'

energy

Electrostatic Adipose Polarization Drone EAPD-2 'Render'

drone

Electromagnetic Overpressure Charge EOC-8

explosive

Electrostatic Dermal Adhesion Projector

exotic

Electromagnetic Pulse Grenade EPG-5 'Deadstop'

explosive

Electrothermal Chemical Carbine ETCC-5 'Flashpoint'

firearm

Electrothermal Compression Lance ETCL-9 'Ironlung'

energy

Electrostatic Needle Array Rifle ENAR-3 'Porcupine'

firearm

Electrostatic Flensing Projector EFP-1 'Skinreader'

energy

Endolymphatic Pressure Cascade Rifle

exotic

Endothermic Synovial Disruption Rifle ESDR-1 'Lockjaw'

energy

Endocrine Cascade Volatilization Lance ECVL-5 'Burnout'

cyber

Ferroelectric Shatter Sidearm FESA-2 'Gravel'

exotic

Ferrofluid Induction Cannon FIC-6 'Ironbloom'

energy

Ferrofluid Dermal Infiltration Drone FDID-6 'Ironblush'

drone

Entropic Dielectric Pulse Emitter EDPE-5 'Candle'

energy

Galvanic Myofibril Lash

melee

Galvanic Marrow Projector GMP-1 'Marrowbone'

cyber

Galvanic Interstitial Fluid Displacement Lance

exotic

Galvanic Disruption Gauntlet GDG-2 'Palsy'

melee

Galvanic Periosteal Fatigue Emitter GPFE-4 'Hairline'

exotic

Galvanic Vapor Diffusion Pistol GVDP-1 'Saltlick'

exotic

Gauss Flechette Repeater GFR-3 'Needlerain'

firearm

Gravimetric Induction Pistol GIP-4 'Undertow'

energy

Suborbital Acoustic Relay Drone SARD-1 'Tuning Fork'

The SARD-1 is a high-altitude loitering drone designed to serve as an acoustic relay node, amplifying and directing subharmonic resonance attacks generated by a ground-based emitter to targets beyond the emitter's direct line-of-sight. Operating at altitudes between 800 and 2,000 meters, the Tuning Fork carries a phased acoustic transducer array that receives a directional subharmonic beam from a paired ground emitter, shifts its phase geometry, and rebroadcasts it downward in a tightly focused cone. The result is precision subharmonic delivery through ceilings, floors, and reinforced structures that would otherwise attenuate or block a ground-level emitter.

The drone's phase-shift architecture is its core technical achievement—conventional acoustic relay systems introduce destructive interference during rebroadcast, dramatically reducing efficacy. The SARD-1 uses a real-time interferometric compensation algorithm developed by ZHENG-DAO BIOELECTRIC to maintain coherent subharmonic output despite the geometry change between receive and transmit angles. This allows operators to deliver resonant structural stress or physiological disruption to targets inside hardened facilities without breaching the structure or alerting occupants to the direction of the attack.

ZHENG-DAO BIOELECTRIC initially developed the SARD-1 for geological survey work—mapping subterranean infrastructure using directed acoustic pulses—before ARCTURUS DEFENSE SOLUTIONS licensed the transducer architecture for weaponized applications. The survey-grade civilian variant still exists and is legally available, creating a persistent gray market where modified survey drones are sold with weapon-grade phase arrays installed by third-party vendors.

drone weapon war ai corporate contract power underworld market warehouse vehicle armor lethal

name

Suborbital Acoustic Relay Drone SARD-1 'Tuning Fork'

aliases

Tuning Fork
The Fork
Resonator
SARD

category

drone

manufacturer

ZHENG-DAO BIOELECTRIC

tier availability

Black market

legality

Prohibited

base technologies

Phased acoustic transduction
Interferometric phase compensation
Subharmonic resonance relay

specifications

operational altitude: 800–2,000 meters
wingspan: 2.1 meters
weight: 7.4 kg
loiter endurance: 6 hours on hydrogen cell
receive array aperture: 340mm phased transducer cluster
rebroadcast cone angle: 4–22 degrees adjustable
phase compensation latency: <8ms
ground emitter pairing: Single emitter per drone (proprietary handshake)
effective footprint at 1000m: ~3 meter diameter ground contact

tactical use

Operators position the SARD-1 overhead before a breach or negotiation, using it as a silent standby asset. If a target retreats into a hardened interior space—a panic room, a reinforced office, an armored vehicle—the ground emitter operator redirects the subharmonic beam to the drone, which focuses it through the structure's ceiling onto the target's position. At low intensity, this induces severe disorientation and nausea; at high intensity, it can cause structural resonance in internal hardware, cybernetic housings, and bone density. The drone's altitude makes it nearly invisible and inaudible from ground level, and its attack vector—from above, through the ceiling—is psychologically disorienting for targets who cannot locate the source.

cultural context

The Tuning Fork has a reputation in GLMZ's criminal underworld as the weapon of patient operators—people who plan ahead and are willing to wait. Its deployment requires pre-positioning, emitter calibration, and altitude establishment before an operation begins, which means it is almost exclusively used by professionals rather than opportunists. Intelligence services and well-funded criminal organizations treat SARD-1 acquisition as a mark of operational sophistication. The gray market modified survey variant—sold under the street name 'Geologist'—has made the technology more accessible than ZHENG-DAO BIOELECTRIC's legal team would prefer.

known users

Intelligence operatives conducting targeted disruption operations
High-tier criminal organizations with advance planning capability
ARCTURUS DEFENSE SOLUTIONS contracted field teams
Gray-market vendors selling modified 'Geologist' survey variants

story hooks

A corporate executive died of apparent internal hemorrhaging inside a sealed panic room with no signs of forced entry—someone used a Tuning Fork, and the ground emitter operator is still in the building's vicinity.
A 'geological survey' company operating in the warehouse district has been filing flight plans for drone operations at unusual hours—someone needs to find out if their survey drones are carrying weapon-grade arrays.
The players acquire a SARD-1 only to discover it is already paired to a ground emitter they don't have—and the original operator is actively trying to recover their drone.

ammunition type

internal_power_system

related entities

Arcturus Defense Solutions
Arcturus Defense Solutions ETF-3 'Mantis'
GLMZ
Lazarus Pharmaceuticals Osseous Resonance Implant — 'The Tuning Fork'
Sterling-Nakamura Executive Defense Pistol EDP-1 'Handshake'
Street Custom 'Four Horsemen' Pipe Pepperbox
Street Custom 'Panic Room' Deployable Safe Space
Tethered Orbital Reconnaissance and Suppression Drone TORSD-7 'Kitestring'
The Resonance Communion
WELLSPRING
Zheng-dao Bioelectric
Zurab Ivanov-Appiah

physical description

visual profile	A sleek, swept-wing aerial platform with a distinctive bulbous central pod housing the phased acoustic array. The fuselage tapers from a spherical transducer cluster at the nose to a lean tail boom, giving it a tuning fork silhouette in profile. Stabilizer fins angle slightly upward, and the overall impression is of predatory elegance—purposeful, minimalist, built for high-altitude persistence rather than speed.
dimensions	Wing span: 210 cm. Fuselage length: 145 cm. Height (on landing gear): 38 cm. Central transducer pod diameter: 34 cm.
weight description	Deceptively light for its wingspan—7.4 kg total gives it a fragile, almost skeletal feel. The hydrogen cell and phased array are balanced to center mass slightly forward of the wing root, creating neutral pitch stability without apparent ballast. Feels like holding a high-tension aerospace component rather than a weapon.
primary material	Carbon-fiber reinforced polymer airframe with hollow internal ribs. Transducer pod is composite resin-bonded ceramic piezoelectric matrix. Landing gear is aluminum alloy spring-loaded struts. Heat dissipation fins on the motor mounts are brushed titanium.
finish	Matte charcoal composite with a subtle iridescent sheen that shifts from slate blue to deep purple under angular light—a signature of ZHENG-DAO BIOELECTRIC's proprietary carbon weave. Transducer pod is glossy obsidian black with subtle etching marks from the phased array calibration jigs. Motor housings show bare anodized aluminum beneath minimal wear.
color scheme	Primary: Deep charcoal with purple-black iridescence. Accents: Brushed titanium on fin edges and motor housings. Transducer cluster: Matte obsidian. LED status rings on the motor pods glow pale cyan.
grip texture	Not designed for sustained hand-holding. The fuselage has minimal grip texture—smooth composite designed for minimal air resistance. Battery access panels feature fine knurled edges and textured polymer handholds for field maintenance.
distinctive features	Phased transducer array visible as concentric rings of piezoelectric elements set into the obsidian nose pod, each element slightly recessed Four small LED diagnostic rings (cyan, amber, red) arranged around the motor pod nacelles—status indicators for phase lock and transducer coherence Thin slot vents along the fuselage leading edge for passive cooling of the interferometric compensation electronics Custom ZHENG-DAO BIOELECTRIC proprietary handshake receiver antenna—a small helical coil wrapped around the tail boom in copper wire Hydrogen fuel cell access panel on the ventral surface marked with trilingual warnings and a faint biohazard symbol Microscopic etching marks from the acoustic calibration process visible under magnification on the transducer pod surface Wear patterns where the carbon fiber weave is slightly abraded from high-altitude wind stress
manufacturer markings	ZHENG-DAO BIOELECTRIC stamped in small chrome characters on a riveted plate beneath the left wing root, with serial number and manufacturing date in microprint. A second plate on the motor pod identifies the licensed ARCTURUS DEFENSE SOLUTIONS transducer upgrade (visible only if the drone has been weaponized). Faint regulatory markings on the hydrogen pod in Mandarin, English, and Arabic warning of hazardous materials.
condition typical	Field units range from pristine laboratory condition (civilian survey variants) to battle-worn operational assets. Typical black-market variants show light scuffing on the fuselage from rough deployment and recovery, minor creasing on the wing leading edges from atmospheric stress at altitude, and occasional burn marks around the motor housings from aggressive phase-shift cycling. Transducer pods often show micro-fracturing in the ceramic matrix from high-intensity subharmonic transmissions, visible only under close inspection.

image prompt

Overhead three-quarter view of the SARD-1 'Tuning Fork' drone positioned on a matte obsidian platform, shot with dramatic side-lighting from the upper left that casts sharp shadows from the swept wings. The charcoal carbon-fiber fuselage shows iridescent purple-blue highlights along the leading edges. The spherical transducer pod at the nose is rendered in glossy black with visible concentric piezoelectric element rings, each catching rim-light. Four cyan LED diagnostic rings glow softly on the motor nacelles. The swept tail boom extends toward the frame edge, with the helical antenna receiver visible as a delicate copper spiral. High-contrast lighting emphasizes the aerospace precision and alien geometry. The platform surface is wet, reflecting the drone's silhouette in muted tones. Neo-noir urban aesthetic: high-tech, predatory, cold. Shot as a tactical asset catalog image. --ar 3:2 --v 6

visual prompt