Plated Quill Rat 719

From: Crucible of Iron Fancy

Description: Swarming through the lower piping networks and steam vents, these oversized rodents have had their soft fur and standard quills replaced by razor-sharp, triangular shards of stamped industrial sheet metal.

Behavior and Mechanics: Driven by erratic mechanical whims, the Plated Quill-Rat 719 moves with a frantic, metallic clicking sound as its heavy iron-shod paws strike the plated floor tiles. When cornered or startled by a sudden auditory cadence, the creature aggressively flexes its spine, launching a small volley of its heavy, metallic quills like a blast of fragmentation shrapnel. While individual rats possess very low health metrics, their sheer defensive thickness makes them highly resistant to standard Tier 1 slashing weapons.

Lore

The Plated Quill-Rat 719 represents the Chaos Master’s complete lack of ecological wisdom paired with a manic, hyper-intellectual fixation on industrial scrap. When the chaos seed manifested, the local rodent population was warped to serve the dungeon’s theme of over-engineered density. The Chaos Master viewed organic fur as structurally inefficient and texturally chaotic.

Through its erratic flights of fancy, the Master reshaped the rats into living conduits for waste metal processing. Their biological quills and soft fur were stripped and replaced by triangular shards of stamped industrial sheet metal, left jagged and unpolished. Their paws were fused with heavy, iron-shod tips designed to withstand the superheated temperatures of the subterranean pipe networks. These creatures do not eat or nest in a biological sense; they are driven by a manic mental script to constantly scour the steam lines and scrap heaps, acting as erratic, territorial maintenance pests that defend the dungeon’s lower infrastructure with explosive, fragmentation-like hostility.

Specific Tier 1 Statistics

• Hit Points (HP): 8 (Very low, but offset by high damage resistance)
• Armor Class (AC): 16 (Stamped Sheet-Metal Plating)
• Movement Speed: 35 feet (Climb 20 feet)
• Size: Small (Oversized hound-sized rodent, weighing roughly 45 lbs)

Skills

• Acrobatics/Agility: +4 (Highly effective at navigating vertical piping and vents)
• Stealth: +1 (Mitigated by their loud, frantic clicking noises)
• Notice/Perception: +3 (Highly sensitive to acoustic vibrations and auditory changes)
• Survival: -3 (Entirely reactive; lacks tactical preservation instincts)

Strategy

• Vent Ambushing: Operating in swarms of 4 to 6, the quill-rats cling to overhead steam pipes and low-ceilinged vents. They track adventurers via footsteps and sudden acoustic changes.
• Explosive Retreat: Individual rats will attempt to scurry into tight, 1-foot pipe openings if isolated. However, if an adventuring party corners them or creates a loud noise (such as a clashing weapon or spell cast), the swarm will collectively flex their spines to unleash their shrapnel volleys simultaneously before scattering.

Attacks

• Iron-Shod Scratch (Standard Action): The quill-rat lunges at a target within 5 feet, slashing with its metallic paws.
  • Roll to Hit: d20 + 4 vs. Target AC
  • Damage: 1d4 + 2 Slashing damage.
• Fragmentation Shrapnel (Recharge 5–6 or Triggered by Loud Auditory Cadence): The quill-rat aggressively flexes its spine, launching a spray of triangular sheet-metal shards in a 15-foot cone.
  • Effect: Every creature in the cone must make a DC 12 Dexterity saving throw. On a failure, the target takes 2d4 Piercing damage as they are peppered by jagged metal scraps. On a success, they take half damage.

Vulnerabilities

• Slashing Resistance / Bludgeoning Weakness: The overlapping triangular plates of stamped industrial sheet metal make the quill-rat highly resistant to standard Tier 1 slashing weapons, reducing all incoming slashing damage by 3 points. However, their rigid, hollow plating cannot absorb heavy blunt impacts; they take an additional +2 damage from all bludgeoning weapons.
• Magnetic Susceptibility: Because their bodies are composed of low-grade stamped iron and industrial sheet scrap, they are highly vulnerable to magnetic forces. If an adventurer utilizes a lodestone, a magnetic trap, or a localized telekinetic pull on metal, the Quill-Rat 719 is automatically pulled toward the source and falls Prone, losing its Agility bonus to AC for 1 round.

Tags

Rodent, Scrap-Hybrid, Industrial-Plating, Shrapnel-Ranged, Acoustic-Reactive, Vent-Crawler, Slashing-Resistant, Bludgeoning-Weakness, Sheet-Metal-Swarm, Shrapnel-Rodent, Frantic-Clicker, Vent-Inhabitant, Industrial-Vermin, Stamped-Iron, Scrap-Plated, Acoustic-Triggered, Pipeline-Pest, Metallic-Quill, Chamon-Vermin

Combat Tactics, Habitats, and Resource Reclamation of the Plated Quill-Rat 719

Engagement in Battle

Plated Quill-Rats rely entirely on acoustic cues and vertical positioning to initiate combat. They rarely engage from the ground; instead, they cling to overhead pipes and wait until an adventuring party disrupts the dungeon’s cadence. The moment a weapon clashes or a spell is chanted, the frantic, metallic clicking of their iron-shod paws erupts as they reposition along the pipeline networks.

When a swarm engages, their opening strategy is a synchronized volley of fragmentation shrapnel. By flexing their rigid spines, they launch a deadly spray of stamped metal shards down upon intruders from above. If an adventurer attempts to close the distance, the rats use their excellent climbing agility to dart out of reach, dropping down only to execute rapid iron-shod scratches against exposed flesh. If cornered or dropped to the floor, their lack of survival wisdom makes them incredibly volatile—they will continuously trigger their shrapnel spray at point-blank range, completely disregarding their own safety to pepper their attackers with jagged metal debris.

Environment Where Found

These industrial rodents are found exclusively within the lower infrastructure of the Crucible of Iron Fancy. They infest the damp, cramped pipeline networks, over-engineered steam vents, and narrow drainage grates beneath the main chambers.

They are heavily drawn to areas where high-pressure steam conduits leak or hiss, as the condensation keeps their internal machinery from overheating. Because they move through tight, one-foot structural openings, their presence is usually heralded by a chaotic symphony of scraping metal echoing inside the walls long before they crawl into view. They completely avoid wide-open spaces, preferring the claustrophobic protection of the dungeon’s dense iron bulkheads.

Reclamation and Use of Remains

When a swarm of Plated Quill-Rats is broken—typically by smashing their hollow shells with heavy bludgeoning weapons or dragging them down with magnetic forces—their discarded carapaces yield valuable raw materials for clever Tier 1 survivalists.

• Shrapnel Salvage: The unexploded triangular shards along their spines can be carefully harvested with wire cutters. These stamped sheet-metal quills can be repurposed by rogues and rangers as makeshift caltrops, throwing daggers, or specialized ammunition that inflicts severe bleeding wounds.
• Improvised Shielding: By melting down several carapaces or riveting the stamped iron sheets together, an armorer can patch damaged heavy plate armor or reinforce the face of a standard buckler to fashion a crude variant of the Shrapnel-Shield 554.
• Acoustic Sensors: The sensitive, vibration-reactive inner ear mechanics of the quill-rats can be harvested by alchemists and engineers. When suspended in oil, these iron tips vibrate violently in the presence of subsonic traps or approaching heavy constructs, serving as an early-warning alarm for future dungeon crawls.

Visual Perception

• What’s Perceived: A rapid, glistening flurry of sharp edges darting across elevated metal conduits.
• Description: As the creature emerges from the steam curtains, the avatar glimpses an oversized, hound-sized rodent covered in overlapping, triangular plates of rusted sheet metal. Its spine is dense with jagged, stamped-iron quills that catch the flickering orange light of the forge, and its paws end in crude, welded metal points.
• Positives: The polished, industrial surfaces of its armor plates glint brightly against the dark, basalt backdrop of the pipes, making its silhouette easy to pinpoint once it breaks cover.
• Negatives: When the creature maneuvers quickly near open fire sources or steam vents, the metallic glare shifting off its moving quills can cause brief, distracting visual flashes that distort depth perception.

Auditory Perception

• What’s Perceived: A chaotic, high-frequency symphony of frantic scratching and metallic clicks.
• Description: The avatar’s ears are filled with a distinct, rapid clicking noise as the creature’s iron-shod paws strike the iron-plated floor tiles and hollow brass piping. This sound is interspersed with the metallic scraping of its armor plates rubbing against structural seams.
• Positives: The loud, rhythmic clicking completely betrays the pack’s location and direction of travel through the vent networks long before they drop down to attack.
• Negatives: The sharp, high-pitched scratching echoes violently off the low-ceilinged corridors, creating a confusing acoustic resonance that makes it difficult to hear subtle audio cues like the soft hiss of a pressure valve trap resetting.

Olfactory and Tactile Perception

• What’s Perceived: A bitter wave of industrial rust, stale grease, and sudden atmospheric vibrations.
• Description: The avatar smells the harsh, metallic tang of oxidized iron flake mixed with scorched machine lubricants. Simultaneously, a faint, prickly vibration hums through the floorboards as the creature’s dense, 45-pound chassis scurries along the resonant metal framing.
• Positives: The pungent smell of damp rust and hot grease acts as an unmistakable early indicator that a pipeline pest nest is directly ahead.
• Negatives: The choking, particulate-heavy air can cause a mild coughing reflex, straining the avatar’s focus when attempting a silent, stealthy approach.

Extra-Sensory Perception (Acoustic Resonance and Echo-Sight)

• What’s Perceived: A volatile, hyper-reactive matrix of kinetic tension pulsing through the nearby structural steel.
• Description: Through specialized extra-sensory awareness, the avatar can feel the ambient sound waves in the room snapping taut around the creature’s position. The rat’s spiritual matrix acts like a tightly wound mechanical spring, hyper-sensitive to external acoustic cadences and completely devoid of organic tranquility.
• Positives: Sudden spikes in this kinetic tension map out the creature’s exact jumping trajectory through the dark pipe networks, allowing the avatar to predict where a shrapnel volley will originate.
• Negatives: If the avatar triggers a loud sound or casts an explosive spell, the sudden backlash of acoustic energy echoing through the rat’s hyper-reactive matrix creates a minor psychic shockwave, causing a momentary, ringing phantom ache in the avatar’s spiritual center.

Translation of Shrapnel-Vermin
Being a Broken Tablet Concerning Shards of Much Sharpness and Fright of Ears

In the old days, when the world-mud had not yet stiffened into certain rocks and before the great king-scribes had learned the scraping of tools upon the skins of sheep, there lay a deep crack in the basalt floor. It was a place of high pressure and long tunnels where the underworld did vomit its hot breath like ten thousand angry blacksmiths, and no man of long beard or elevated skull-pan had set his walking-shoes therein for three turnings of the great wheel.

And behold, a seed of the Great Unreason did plunge down from the cold stars, dropping straight into the deep guts of the industrial infrastructure. It was a thing without a face or a mother, yet it thrummed with a manic, heavy power, waiting to twist the small creeping things of the dark into shapes of fancy.

Now, there scurried through the pipeline networks of that damp place a population of low-rodents, common cave-rats of very little weight in their mind-buckets, knowing only the theft of scraps and the soft birthing of their young. But the magic of the star-seed did seize these small vermin by their tails, dragging them into the lower basin where the over-engineered steam vents did hiss violently. And when the vermin did cross the iron threshold, a great fracturing of their biological strings took place. The rats did lose all their levels of natural instinct—they forgot the seeking of cheese, the fear of the owl, and the hiding from the light—but their skull-pans were filled with a frantic, erratic mechanical intelligence. They became the Plated Quill-Rat 719.

Being thus filled with a frantic and non-sensical cleverness, the Chaos Master of the fissure looked down upon these small rodents and fell into a great sickness of fancy. The Master spoke to the copper pipes, saying: “The hair of the beast is soft and full of biological errors! It cannot withstand the superheated breath of the forge! Let us forge a new law of industrial thickness, where no fur is allowed to remain thin!”

Then did the master force the local magic to overwrite the soft parts of the rodents. The ancestral fur and the common quills of the rats were stripped away, replaced by overlapping, triangular shards of stamped industrial sheet metal, left jagged and completely unpolished. Their little paws were fused with heavy, iron-shod tips designed to strike the plated floor tiles with a frantic, metallic clicking sound.

Because these spawn were born from a mind that lacked the string of wisdom, they were made completely devoid of survival loops. They do not eat the moss of the cave, nor do they seek a mate to love, nor do they run away when the heavy boot approaches. They became territorial maintenance pests, driven by a manic mental script to defend the lower infrastructure with explosive, fragmentation-like hostility.

It is scribed on the broken clay that these creatures would cling to the overhead piping networks and over-engineered steam vents in swarms of four or five, tracking the footsteps of adventurers by the vibration of the iron plates. When a sudden auditory cadence did startle their ears—such as the clashing of a vanguard’s sword or the chanting of a magic spell—the rats would collectively experience a great spasm of their metal spines. They would aggressively flex their back-parts, launching a small, deadly volley of their heavy, metallic quills like a blast of fragmentation shrapnel in a fifteen-foot cone, peppering the eyes and skin of intruders with jagged metal scraps.

Many ancient thieves were shredded by this rain of steel from the vents. They brought with them long swords of high sharpness and tried to slash at the vermin, but their blades did slide off the stamped iron plates, for the rats possessed a high defensive thickness that did reduce all standard slashing damage by three points. Only those travelers who understood the bludgeoning weakness—hitting the hollow shells with heavy blunt clubs—or those who used large lodestones to pull the magnetic iron rats down to the floor by their carapaces, did manage to break the swarm. From their ruined remains, the clever artificers did harvest the unexploded metal quills to use as sharp caltrops and throwing darts, protecting their own camps against the hazards of the lower dark.

The rats remain in the dark pipelines to this day, clicking their iron-shod paws and waiting for a loud noise to trigger their frantic spines, entirely empty of the wisdom that keeps the vermin of the earth from turning into shards of death.

The Moral of the Story

From this broken and poorly translated scroll, the traveler must gather this great truth: He who seeks to replace his soft, natural covering with the jagged scrap-metal of the forge will find that he has only exchanged his freedom for a frantic and fearful existence. To be hyper-sensitive to every loud noise and to blast out sharp fragments of hostility at every change in the world’s cadence is to become like the Plated Quill-Rat 719—a miserable pest trapped forever inside the dark pipes of its own over-engineered defense, shattering others but remaining hollow and broken within.

Suggested conversions to other systems:

Call of Cthulhu (7th Edition)

Creature Name: Plated Quill-Rat 719 Classification: Chaos-Altered Swarm Vermin (Tier 1 Equivalence)

Characteristics

• STR: 35
• CON: 45
• SIZ: 20
• DEX: 80
• POW: 05
• HP: 06
• DB: -1D4
• Build: -1
• Move: 9 / 6 Climbing

Combat & Skills

• Brawl (Iron-Shod Scratch): 60% (30/12), damage 1D4 + Build DB.
• Armor: 4-point Stamped Sheet-Metal Plating. Reduces all incoming damage from Slashing weapons by 3 points (minimum 1), but takes an extra 2 points of damage from Bludgeoning attacks.
• Skills: Acoustics/Listen 75%, Climb 70%, Stealth 40%, Survival 05%.
• Sanity Loss: 0/1D3 Sanity points to encounter a pack of Plated Quill-Rats.

Special Mechanics

• Fragmentation Shrapnel (Acoustic Trigger): When a firearm discharges, a spell is cast, or an investigator fails a stealth roll nearby, the rat reflexively flexes its spine. It unleashes a spray of triangular sheet-metal shards in a 5-yard cone. Everyone in the area must make a Dodge roll. Failure results in 2D4 piercing damage; success results in half damage.
• Magnetic Susceptibility: If investigators employ a strong lodestone, localized magnetic trap, or industrial electromagnet, the Quill-Rat 719 must succeed on a Hard STR check. On a failure, it is pulled to the magnetic source, knocked prone, and its DEX is effectively halved for the duration of the encounter.

Blades in the Dark

Creature Name: Plated Quill-Rat 719 (Pipeline Scavenger) Threat Level: Tier 1 Vermin (Dangerous in swarms)

Traits & Attributes

• Scale: Small hound-sized rodent (Individual is minor impact; Swarm is Medium impact).
• Quality / Tier: Tier 1 Threat.
• Harm Boxes: 1-Harm (Dented Scrap), 2-Harm (Plating Ruptured), 3-Harm (Shattered/Dead).

Specific Mechanics

• Acoustic Reflexes (Passive): The quill-rats gain Potency on actions taken to detect or ambush targets when the players are making loud noises, casting loud magic, or disrupting the background rhythm of the forge.
• Fragmentation Volley (Clock): When startled or cornered, the swarm fills the air with razor-sharp metal shards. Escaping or mitigating this requires a Scurry or Skirmish action. A failed roll immediately ticks a 2-segment “Shredded” clock or inflicts Level 2 Harm (Peppered with Shrapnel).
• Defensive Thickness (Resistances): Due to their stamped industrial armor, actions utilizing standard slashing or cutting weapons face Reduced Effect. Conversely, using crushing force or heavy blunt tools scales the effect up by one level.
• Magnetic Trap (Vulnerability): Utilizing magnetic items or alchemical forces to pull or pin the rats renders their defensive thickness useless, making subsequent combat actions Controlled position with Great Effect.

Dungeons & Dragons (5th Edition / 2024)

Creature Name: Plated Quill-Rat 719 Size / Type: Small Monstrous Beast (Chaos-Spawned) Alignment: Unaligned (Mindless) Armor Class: 16 (Natural Armor / Sheet-Metal Carapace) Hit Points: 8 (2d6 + 2) Speed: 35 ft., climb 20 ft.

Ability Scores

• STR: 6 (-2)
• DEX: 18 (+4)
• CON: 12 (+1)
• INT: 10 (+0)
• WIS: 1 (-5)
• CHA: 1 (-5)

Senses & Traits

• Damage Resistances: Slashing from nonmagical attacks
• Damage Vulnerabilities: Bludgeoning
• Senses: Passive Perception 13 (Acoustic-reactive blindsight 60 ft., blind beyond)
• Languages: None
• Challenge Rating: 1/4 (50 XP)
• Acoustic Sensitivity: The Quill-Rat has advantage on Wisdom (Perception) checks that rely on hearing.

Actions

• Iron-Shod Scratch: Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 4 (1d4 + 2) slashing damage.
• Fragmentation Shrapnel (Recharge 5–6): The Quill-Rat flexes its spine, launching a volley of metallic shards in a 15-foot cone. Each creature in that area must make a DC 12 Dexterity saving throw, taking 5 (2d4) piercing damage on a failed save, or half as much damage on a successful one.

Reactions

• Startle Volley: When a creature within 60 feet of the Quill-Rat casts a spell with a verbal component or hits an object or creature with a melee weapon, the Quill-Rat can immediately use its reaction to use its Fragmentation Shrapnel action, if available.

Vulnerabilities

• Magnetic Susceptibility: If a magnetic force or lodestone item is used against the Quill-Rat within 30 feet, it must succeed on a DC 12 Strength saving throw or be pulled up to 15 feet toward the source and knocked Prone. While Prone, it loses its Dexterity bonus to AC.

Knave (2nd Edition)

Creature Name: Plated Quill-Rat 719 Hit Dice: 1 HD (8 Hit Points) Armor Rating: 16 (Stamped Sheet-Metal) Movement: Rapid pace (35 ft. / 20 ft. climbing) Morale: 12 (Mindless, reacts out of panic rather than bravery)

System Mechanics

• Attack (Iron-Shod Scratch): +4 bonus vs. Defense. Deals 1d4+2 slashing damage.
• Defensive Thickness: Takes 3 fewer points of damage from all incoming slashing or piercing weapons, but takes an additional +2 damage from blunt, bludgeoning weapons.

Exploits & Weaknesses

• Fragmentation Shrapnel: When a player character casts a loud spell, sets off a trap, or triggers a loud auditory noise, the rat reflexively blasts a 15-foot cone of shrapnel. All characters in the zone must make a Dexterity save. Failure inflicts 2d4 piercing damage; success halves the damage.
• Magnetic Susceptibility: A player who expends an action using a lodestone or magnetic utility can force the rat to make a Strength save against a Difficulty of 12. On a failure, the rat is dragged to the object, falls down, and loses its Armor Rating bonus, reducing its effective Armor Rating to 12 for 1 turn.

Fate Core / Condensed

Creature Name: Plated Quill-Rat 719 Classification: Industrial Vermin Swarm (Scale: Small Individual / Medium Group)

Aspects

• High Concept: Stamped Sheet-Metal Vermin
• Trouble: Hyper-Reactive Acoustic Panic
• Mundane Fixation: Nesting in the Steam Lines
• Tactical Advantage: Death from the Overhead Pipes

Skills

• Great (+4): Athletics (Climbing/Darting)
• Good (+3): Fight
• Fair (+2): Notice (Acoustic Vibrations)
• Terrible (-2): Will, Stealth (Due to constant clicking)

Stress & Consequences

• Physical Stress: [ ] [ ]
• Mental Stress: Immune to mental stress and psychic manipulation.

Stunts & Specific Mechanics

• Defensive Thickness: Because of its overlapping sheet-metal hide, it gains a +2 to defend against physical attacks made with blades or slashing weapons. However, if an attacker uses a blunt weapon or crushing force, this bonus is negated and the attacker gains +1 shift on a successful hit.
• Startle Volley: Once per scene, when a loud noise or spell occurs in its zone, the Quill-Rat can execute a free Fight action against everyone in the zone, representing an explosive burst of fragmentation quills.
• Vulnerabilities:
  • Magnetic Susceptibility: An opponent can use a magnetic tool or lodestone to create an advantage called Magnetically Pinned. While this aspect is active on the rat, it cannot use its Athletics skill to dodge or climb.

Numenera & Cypher System

Creature Name: Plated Quill-Rat 719 Level: 2 (Target Number: 6) Form: An oversized, hound-sized rodent covered in overlapping, triangular plates of stamped industrial sheet metal.

Attributes & Senses

• Health: 6
• Armor: 2 (Sheet-Metal Plating)
• Senses: Exceptional acoustic-reactive hearing. Eases all tasks involving tracking or sensing characters who are moving or making noise by two steps.

Specific Game Mechanics

• Iron-Shod Scratch (Attack): The rat slashes an opponent within immediate range, dealing 2 points of physical slashing damage.
• Fragmentation Shrapnel (Acoustic Trigger): When a loud noise or vocal action occurs within short range, the Quill-Rat reflexively flexes its spine. It fires a spray of jagged metal quills that hits all targets within immediate range for 3 points of piercing damage. Bypassing this requires a Speed defense roll.
• Vulnerabilities:
  • Slashing Resistance / Bludgeoning Weakness: Its Armor rating is doubled (Armor 4) against standard slashing blades, but drops to 0 against heavy bludgeoning weapons or crushing environmental damage.
  • Magnetic Susceptibility: Any task to trap, pin, or immobilize the creature using a localized magnetic asset or Cypher is eased by two steps.

Pathfinder (2nd Edition)

Creature Name: Plated Quill-Rat 719 Perception: +7 (Acoustic-Reactive Blindsight 60 ft.; blind beyond); Scent (imprecise) 30 ft. Languages: None Skills: Acrobatics +7, Athletics +3 (+7 to Climb), Perception +7 (hearing only) Str -2, Dex +4, Con +1, Int +0, Wis -5, Cha -5

Defense

• AC: 16
• Fort: +4, Ref: +9, Will: +1 (Immune to mental conditions and damage; automatically fails complex mental saves).
• HP: 8
• Resistances: Slashing 3
• Weaknesses: Bludgeoning 2
• Immunities: Charmed, Fear, Controlled.

Speed

• 35 feet, climb 20 feet

Attacks

• Melee [one-action] Claw (Iron-Shod Scratch) +9 to hit (agile, finesse); Damage 1d4-2 slashing plus 2 precision damage if attacking from an overhead pipe.

Specific Mechanics

• Fragmentation Shrapnel [one-action] (Recharge 5–6) The Quill-Rat flexes its spine, launching a spray of triangular sheet-metal shards in a 15-foot cone. Each creature in the area takes 2d4 piercing damage (DC 15 basic Reflex save).
• Startle Reflex [reaction] Trigger A creature within 60 feet casts a spell with a verbal component or makes a loud strike; Effect The Quill-Rat uses its Fragmentation Shrapnel action if it is charged.
• Magnetic Attraction: If a magnetic item or spell is used against the rat, it must pass a DC 15 Fortitude save or be pulled up to 15 feet toward the source and gain the Prone condition. While Prone, it is Off-Guard.

Savage Worlds (Adventure Edition)

Creature Name: Plated Quill-Rat 719 Attributes: Agility d8, Smarts d4 (A), Spirit d4, Strength d4, Vigor d6 Skills: Fighting d6, Notice d8 (Hearing-only), Athletics d8, Stealth d4 Pace: 7 (d6 running die); Parry: 5; Toughness: 8 (3)

Edges & Hindrances

• Acoustic Sensitivity: It receives a +2 bonus to Notice rolls based purely on sound or floor vibrations.
• Mindless Loop: Immune to Fear, Intimidation, and puppet spells.

Special Abilities

• Armor +3: Stamped industrial sheet-metal plating.
• Iron-Shod Scratch (Fighting): Str+d4 slashing damage.
• Fragmentation Shrapnel (Action): The rat flexes its spine to spray metal shards using the Small Burst Template centered on itself, or a 15-foot cone. Targets within the template must beat the rat’s Athletics roll with an Evasion roll or suffer 2d4 piercing damage.
• Startle Volley (Reaction): If a firearm discharges or a loud spell triggers in its vicinity, it may immediately execute its Fragmentation Shrapnel as a free reaction if it has not used it this round.
• Vulnerabilities:
  • Defensive Shifts: Its +3 Armor is entirely bypassed by weapons dealing Bludgeoning damage.
  • Magnetic Susceptibility: Magnets or magnetic powers grant attackers a +2 bonus to any Athletics or Fighting rolls made to grapple, pin, or trip the creature.

Shadowrun (6th World Edition)

Creature Name: Plated Quill-Rat 719

Classification: Awakened Parazoological Swarm Critter

Attributes

• Body: 3
• Agility: 5
• Reaction: 4
• Strength: 2
• Willpower: 1
• Logic: 1
• Intuition: 3
• Charisma: 1
• Magic: 1
• Essence: 6.0
• Initiative: 7 + 1D6

Defenses & Condition Monitors

• Defense Rating: 9 (Stamped Sheet-Metal Plating)
• Physical Condition Monitor: 9
• Stun Condition Monitor: Immune (Mindless mechanical loop)

Skills

• Close Combat (Iron-Shod Scratch): 5
• Exotic Ranged Weapons (Fragmentation Shrapnel): 4
• Perception (Acoustic/Hearing Only): 5
• Stealth: 2 (Mitigated by constant metallic clicking)

Specific Game Mechanics

• Iron-Shod Scratch (Major Action): The rat lunges to slash with its metallic paws, rolling Close Combat + Agility [10 dice]. It inflicts 2S damage.
• Fragmentation Shrapnel (Major Action): The rat flexes its rigid spine, spraying metal shards in a 5-meter cone. It rolls Exotic Ranged Weapons + Agility [9 dice], inflicting 4P damage. Targets may defend normally using Reaction + Intuition to dodge the flying debris.
• Startle Reflex (Minor Action / Reaction): If a firearm discharges, a loud spell is cast, or an explosive goes off within 20 meters, the Quill-Rat can immediately spend a Minor Action to trigger its Fragmentation Shrapnel out of order, provided the attack is ready.
• Vulnerabilities:
  • Slashing Resistance / Bludgeoning Weakness: The rat’s defense rating increases by +4 against blades and slashing attacks. However, it completely loses its armor bonus against bludgeoning weapons, and blunt impacts inflict an additional +2 boxes of physical damage.
  • Magnetic Susceptibility: If a character utilizes a high-powered magnet, localized magnetic trap, or an industrial electromagnet, the Quill-Rat 719 must make a Strength + Body test against a threshold determined by the magnet’s power. On a failure, it is pulled to the magnetic source, knocked Prone, and loses its Agility bonus to its Defense Rating.

Starfinder (2nd Edition / Playtest Edition)

Creature Name: Plated Quill-Rat 719

Perception: +7 (Acoustic-Reactive Blindsight 60 ft.; blind beyond); Scent (imprecise) 30 ft.

Languages: None

Skills: Acrobatics +7, Athletics +3 (+7 to Climb), Perception +7 (Hearing only)

Str -2, Dex +4, Con +1, Int +0, Wis -5, Cha -5

Defense

• AC: 16
• Fort: +4, Ref: +9, Will: +1 (Immune to mental conditions and psychic damage; automatically fails complex mental saving throws).
• HP: 8
• Resistances: Slashing 3
• Weaknesses: Bludgeoning 2
• Immunities: Charmed, Fear, Controlled.

Speed

• 35 feet, climb 20 feet

Attacks

• Melee [one-action] Claw (Iron-Shod Scratch) +9 to hit (agile, finesse); Damage 1d4-2 slashing plus 2 precision damage if attacking from an overhead pipe infrastructure.

Specific Mechanics

• Fragmentation Shrapnel [one-action] (Recharge 5–6) The Quill-Rat flexes its spine, launching a spray of triangular sheet-metal shards in a 15-foot cone. Each creature in the area takes 2d4 piercing damage (DC 15 basic Reflex save).
• Startle Reflex [reaction] Trigger A creature within 60 feet casts a spell with a verbal component, discharges a firearm, or makes a loud impact; Effect The Quill-Rat instantly uses its Fragmentation Shrapnel action if it is currently charged.
• Magnetic Attraction: If a magnetic utility item or spell is deployed against the rat, it must pass a DC 15 Fortitude save or be pulled up to 15 feet toward the source and gain the Prone condition. While Prone, it is Off-Guard.

Traveller (Mongoose 2nd Edition)

Creature Name: Plated Quill-Rat 719

Classification: Industrial Pest Automaton-Hybrid (Chassis Animal)

Characteristics

• STR: 4 (-1)
• DEX: 10 (+1)
• END: 6 (+0)
• INT: 1 (-2)
• EDU: 0 (-3)
• SOC: 0 (-3)
• Traits: Armor (+3), Mindless, Blindsight (Acoustic-Reactive, Medium Range)

Skills

• Melee (Unarmed): 2
• Gun Combat (Slung Shrapnel): 1
• Athletics (Dexterity): 2

Combat & Specific Mechanics

• Iron-Shod Scratch (Attack): The rat scurries forward to strike with its metal paws, rolling Melee (Unarmed) + DEX (2D6+3). On a hit, it inflicts 1D6-1 slashing damage.
• Fragmentation Shrapnel (Attack): The rat flexes its spine to unleash a spray of triangular sheet-metal shards, acting as a shot weapon. It rolls Gun Combat (Slung Shrapnel) + DEX (2D6+2), targeting a 5-meter cone. On a hit, it inflicts 2D6 piercing damage.
• Startle Volley (Reaction): When a firearm discharges or a loud noise occurs in its immediate vicinity, the Quill-Rat can execute its Fragmentation Shrapnel attack as a free reaction out of initiative sequence.
• Vulnerabilities:
  • Defensive Shifts: The creature’s Armor +3 is highly effective against blades, reducing incoming slashing damage by an additional 2 points. However, its Armor rating drops to +0 when targeted by blunt, bludgeoning weapons, and crushing impacts deal +2 additional damage.
  • Magnetic Susceptibility: A Traveler using a high-powered magnet or electromagnetic tool can attempt an Athletics check to grapple or immobilize the creature. The Traveler receives a +2 DM to this roll, and success pins the rat flat against the magnetic source, negating its ability to dodge or climb.

Warhammer (Fantasy Roleplay 4th Edition / Age of Sigmar: Soulbound)

Creature Name: Plated Quill-Rat 719

Classification: Chaos-Spawned Chamon Vermin

Attributes (Soulbound Syntax)

• Body: 2
• Mind: 1
• Soul: 1
• Melee: Average
• Accuracy: Good
• Defense: Average (Stamped Sheet-Metal Plating)
• Toughness: 6
• Armor: 2
• Mettle: 1

Talents & Traits

• Mindless Loop: The Quill-Rat is completely immune to psychological conditions, Charmed, Fear, or telepathic magic. It automatically fails any complex cognitive tests.
• Acoustic Blindsense: The creature cannot perceive characters who remain perfectly stationary and silent, but automatically senses any physical movement or noise within Short range.

Attacks

• Iron-Shod Scratch (Action): The rat dashes forward to slash with its metallic paws, rolling its Body pool against the target’s Defense. On a success, it inflicts 1 damage + 1 Additional Damage per Net Success.
• Fragmentation Shrapnel (Action): The rat flexes its rigid spine, unleashing a spray of triangular sheet-metal shards in a Short-range cone. It rolls its Accuracy pool against the targets’ Defense. On a success, it inflicts 3 damage to all characters caught in the area.

Specific Mechanics

• Startle Spasm (Reaction): If a loud noise, weapon clash, or vocal spell triggers within Short range, the Quill-Rat can expend 1 Mettle to immediately execute its Fragmentation Shrapnel action as a free reaction.
• Vulnerabilities:
  • Slashing Resistance / Bludgeoning Weakness: Its Armor rating increases to 4 against standard slashing blades, but drops to 0 against heavy bludgeoning weapons, hammers, or crushing environmental damage. Bludgeoning attacks inflict +2 additional damage.
  • Magnetic Susceptibility: Any attempt to trap, pin, or immobilize the creature using a localized magnetic asset or Chamon realm-magic is eased by two steps. A magnetically pinned rat loses its Defense pool bonuses.