Item 817 of the Penitents Coil – GearAscendancy.com

Lore

During the early decades of the Industrial Age on the world of Saṃsāra, the demand for steam power and mechanical output reached unprecedented levels across the seventy-three island nations. In the deep subterranean factories of the central metropolises, workers were pushed to their physical and mental limits to maintain the massive gears and pressure valves that powered the cities above. Within these dark, sweltering environments, a sect of laborers formed a philosophy centered around the endurance of pain, dedicating their practices to the ideals associated with the month of Ilmatus. They believed that agony was not a hindrance, but a sharp, purifying force that could focus the mind and elevate the soul above the exhaustion of the physical avatar.

To manifest this belief, the guild smiths of this sect began forging specialized gear designed to maintain a constant state of hyper-awareness through controlled suffering. Item 817 of the Penitent’s Coil was one of the earliest designs produced from these underground steam-forges. The creators utilized a specific strain of magic virus known to thrive on the neurological signals of pain. By infusing this virus into a raw, coin-sized tier 1 magic crystal, they created a catalyst that could harness the wearer’s discomfort and convert it into usable arcane energy.

The manufacturing process involved casting the iron in molds lined with jagged, irregular imperfections. The smiths intentionally refused to polish the inner surfaces, ensuring that the metal would constantly bite into the skin. As these items circulated through the sellers’ market, they became highly sought after not just by zealots, but by adventurers and sentinels who required absolute wakefulness during the long, twenty-two-hour days. The history of this specific collar traces back through numerous owners, many of whom were mercenaries or deep-cavern explorers who relied on the persistent agony to survive environments where a moment of relaxed focus meant certain death. The item carries the psychic residue of thousands of hours of endured torment, making its presence in the Mind’s Eye appear as a vibrating, jagged aura of deep crimson.

Description

This item takes the form of a heavy, rigid iron collar designed to rest directly against the collarbones and the base of the neck. The exterior of the metal is forged to resemble a twisted wreath of industrial barbed wire, complete with faux-rivets and steam-venting micro-valves. The metal has a dull, gunmetal-grey finish, intentionally treated with alchemical acids to prevent rusting while maintaining a rough, abrasive texture.

The interior of the collar, which makes direct contact with the avatar’s skin, is lined with a series of small, blunt iron teeth. These protrusions do not pierce the flesh to cause bleeding, but they press deeply into the pressure points of the neck, ensuring a continuous, inescapable sensation of sharp discomfort. At the exact front of the collar, resting against the wearer’s throat, is a heavy brass housing containing a coin-sized tier 1 magic crystal. This crystal is jagged and unpolished, pulsing with a faint, internal red luminescence that flares in sync with the wearer’s heartbeat and the intensity of the pain they are experiencing. The mechanism fastens at the back of the neck with a heavy, interlocking gear-clasp that requires deliberate effort to secure or release, symbolizing the commitment to the agony it provides.

Stats

Tier: 1
Rarity: Common
Slot: Neck Slot
Armor Check (AC): 1
Weight: 4 lbs
Resilience: 10
Item Health Points: Maximum character health points plus 10

Skills Gained While Openly Worn

1 temporary skill point in Endurance. The constant exposure to pain elevates the avatar’s threshold for physical hardship, allowing them to withstand harsh environments and prolonged physical exertion with greater fortitude.
1 temporary skill point in Intimidation. The visual impact of the heavy, spiked collar, combined with the wearer’s obvious willingness to endure continuous agony, creates a deeply unsettling aura that unnerves onlookers and potential foes.

Passive Magic

Clarity of Torment: The magic crystalline cells within the collar continuously feed on the wearer’s pain, creating a feedback loop that stimulates the nervous system. This constant state of heightened, uncomfortable alertness makes the avatar highly resistant to magical sleep effects, unnatural fatigue, or enchantments designed to lull the mind into a state of calm compliance.
Agonizing Resonance: As the avatar takes physical damage from external sources during combat, the tier 1 crystal absorbs a minute fraction of the kinetic impact. It stores this energy as a building, static arcane charge within the iron housing, causing the collar to emit a low, threatening hum and a faint smell of ozone.

Active Magic

Surge of Anguish: As an action, the wearer can physically press the iron teeth deeper into their own neck, voluntarily accepting a sharp spike of agony. This transfers the stored arcane charge from the crystal directly into the wearer’s nervous system. For the remainder of the current turn, the wearer adds their tier die (1d4) as bonus electrical damage to their first successful melee weapon attack.
Telepathic Backlash: As a prepared reaction to being struck by a melee attack, the wearer can channel the pure sensation of their own suffering through the collar’s crystal. The collar releases a violent, localized burst of telepathic agony directly into the mind of the attacker. This sudden influx of mental pain disrupts the attacker’s focus, subtracting the wearer’s tier die (1d4) from the attacker’s next roll to hit.

Procurement of the Penitent’s Coil

In the interconnected and often harsh landscapes of Saṃsāra, obtaining an item that facilitates constant agony is a matter of seeking out specific cultural enclaves or industrial suppliers who cater to the iron-willed.

Quest and Combat Rewards: Avatars may acquire this collar by overcoming zealots of the subterranean guilds or enforcers who guard the deepest steam-pressure vaults. Because the Penitent’s Coil is often a symbol of office or devotion, it is frequently found on the remains of tier 1 leaders within these sects. If the wearer was a possessed character, the collar will drop as a physical item near the resulting soul crystal. Additionally, local Mayors in industrial island countries like Ilmatus or Kelemus might offer a surplus coil as a reward for adventurers willing to undertake dangerous maintenance tasks in high-heat, high-pressure environments where staying awake is the only way to avoid being crushed by rotating gears.
Roleplay and Acquisition: If an avatar acquires the coil but lacks the “Endurance” training to handle the constant spikes of pain, they may need to spend several days of downtime acclimating to the weight and the teeth of the iron. This process is often roleplayed as a period of meditation or “on-the-job” training, where the character describes to the party how they are learning to separate their Mind’s Eye from the physical suffering of the avatar, eventually unlocking the temporary skill points and passive magics provided by the item.

Market Environments and Economic Exchange

The sale and purchase of the Penitent’s Coil occur in varied retail settings, each reflecting the local culture’s attitude toward self-imposed hardship and the “buyer beware” nature of the world bank’s economy.

Industrial Guild Commissaries: These are functional, steam-filled shops located in the heart of manufacturing districts. The air is thick with the smell of coal smoke and hot oil. The walls are lined with racks of unpolished iron gear.
- Purchase Price: 90 to 130 Silver. These shops view the coil as a standard piece of industrial safety equipment for long shifts, keeping the price relatively accessible for tier 1 workers.
- Sale Price: 45 to 60 Silver. These merchants rarely offer more than half the value, as they have ready access to the local smiths who forge these in bulk.
Ascetic and Temple Emporiums: Found near the grand cathedrals or isolated monasteries of the gods of endurance, these shops are quiet, lit by low-burning oil lamps. The items are often presented on dark velvet cushions to contrast with the rough iron.
- Purchase Price: 18 to 28 Electrum. The price is higher here because the items are often “blessed” or inscribed with additional deeds of historical penitents, adding a layer of social prestige to the purchase.
- Sale Price: 10 to 14 Electrum. These vendors are picky and will only buy back items that are in pristine condition or have a notable lineage associated with their history tags.
Frontier Outfitters and General Traders: In the port cities of the seventy-three island countries, these items are sold to adventurers preparing for long voyages or cavern crawls.
- Purchase Price: 2 to 5 Gold. Due to the 5% state border taxes and the 1% city gate fees, the cost of transporting heavy iron gear across the ocean is reflected in the final price.
- Sale Price: 1 Gold. General traders often find it difficult to move such specialized items and will offer a low baseline price, knowing they might have to hold the inventory for many months.
Rural and Black Market Traders: In villages with fewer than ten residents or in the dark corners of a metropolis, the coil might be traded for other goods.
- Purchase Price: Variable, but often involves a trade of equivalent value plus a 1% “finder’s fee.”
- Sale Price: Often paid in non-metal coinage or bartered for rare alchemical ingredients used to recharge the magic crystal.

Tactical Endurance and Environmental Roleplay of the Penitent’s Coil

The use of the Penitent’s Coil is a study in focused suffering. Unlike traditional gear that offers comfort, this item requires the avatar to constantly negotiate with their own pain. The roleplay of its defensive and offensive capabilities shifts dramatically based on the magical “weather” and the safety level of the environment.

Metropolitan and Safe Areas: In a designated safe area, where AC is tripled, the Coil acts as a psychological fortress. Defensively, the avatar roleplays a state of “unshakable stillness.” While other patrons at an inn might be relaxing, the wearer of the Coil remains perfectly upright, their face a mask of iron-willed discipline as the teeth of the collar dig into their neck. This perceived endurance makes them a difficult target for social or physical agitation. Offensively, the “Intimidating Presence” is at its peak; the character might utilize a “Heated Threat” during a negotiation, leaning forward so the observer can hear the low, hungry hum of the crystal feeding on their pain. The suggestion is clear: if the avatar is willing to endure this constant agony for a mere task, they are capable of far worse to an enemy.
Industrial Foundations and Steam Vaults: In normal or somewhat safe areas, the roleplay focuses on “Industrial Vigilance.” Defensively, the wearer uses the “Clarity of Torment” to ignore the lulling, rhythmic thumping of massive steam pistons that might otherwise cause a tired worker to lapse into a dangerous sleep. They roleplay the pain as a “tether” to reality. Offensively, in the cramped quarters of a vault, the avatar might use the “Surge of Anguish.” By physically grasping the collar and twisting it to spike the pain, they roleplay a guttural roar of channeled suffering, their next strike crackling with the red electrical discharge of the Tier 1 crystal. This is not just a punch; it is the discharge of hours of stored misery into a single point of impact.
The Endless Ocean and Uncharted Islands: In unsafe areas where AC is halved, the Coil becomes a vital survival tool. Defense is roleplayed through the “Telepathic Backlash.” When a feral beast or a rival sailor lands a blow, the character doesn’t just recoil; they catch the attacker’s eye as the crystal flares a blinding crimson. The roleplay describes the sensation of the avatar’s own agony “leaping” across the gap to the foe’s mind, causing the enemy to flinch in sympathetic torment. Offensively, the avatar uses the “Agonizing Resonance” passive. In the spray of the salt-water or the heat of a jungle, they describe how every minor scrape and bruise from the environment is being “harvested” by the neck-slot item, making the collar glow brighter and vibrate more violently as the combat progresses.
Deathly Areas and Magical Scars: In a deathly area where every attack hits, the Coil is used as a desperate “Focus of the Damned.” Roleplay here is characterized by a frantic, hyper-lucid state of mind. The avatar knows their body is fragile, so they lean into the “Clarity of Torment” to see through magical illusions or sensory-dulling mists that might hide a foe. They roleplay the “Surge of Anguish” not as a tactical choice, but as a necessary sacrifice, perhaps using their last action to discharge all stored mana into a single strike before their avatar perishes. If the character has a “Mana Boost,” they roleplay the “silver fire spell power” as a momentary cooling of the collar—a brief, blissful reprieve from the agony that signals their soul has intervened to keep the avatar at exactly one health point.

Perception of Activation:

User’s Perspective

Sharp Physical Reality: Upon securing the interlocking gear-clasp, you feel the immediate and cold pressure of the iron teeth against the delicate skin of your neck. As the magical virus within the Tier 1 crystal detects your rising cortisol and pain signals, it “wakes up,” causing the iron to vibrate with a high-frequency micro-tremor that turns the dull ache into a sharp, crystalline focus.
Neural Stimulation: You perceive a strange, thin thread of red light appearing in your Mind’s Eye, connecting your brainstem directly to the collar. It feels as though a veil of fog has been forcibly torn away; your thoughts become jagged, fast, and unyielding, fueled by the persistent “bite” of the metal.
Internal Heat: Despite the cold iron, you feel a phantom heat rising from your collarbones. This is not the warmth of a fire, but the stinging heat of a localized fever, keeping your heartbeat steady and your eyes wide.

Observer’s Perspective

Mechanical Awakening: The small micro-valves on the exterior of the collar begin to vent tiny, rhythmic puffs of grey steam, making a sound like a quiet, metallic hiss. The central red crystal, previously dark, begins to pulse with a deep, internal crimson light that reflects off the wearer’s chin and jawline.
Physical Alteration: The avatar’s posture visibly stiffens and their pupils may dilate or fixate with unnatural intensity. The wearer appears hyper-alert, their movements losing any fluidity in favor of a rigid, mechanical precision.
Ominous Aura: Those standing nearby may hear the low-frequency hum of the resonance and feel a slight, unsettling pressure in their own heads—a byproduct of the telepathic agony leaking from the crystal’s primary focus.

Extra-Sensory Perceptions

True Sight (Ultraviolet): To a viewer with True Sight, the collar is no longer grey iron but a blinding ring of jagged ultraviolet thorns. The “Agony” enchantment manifests as a swirling vortex of deep purple and red energy that seems to be “sucking” the ambient light toward the wearer’s throat.
Soul Sight: The avatar’s soul, usually a soft glow, appears constricted and sharpened. The collar manifests as a dark, metaphysical “leash” that anchors the character’s memories more firmly to the physical vessel, preventing the soul from drifting or losing focus even under extreme duress.
Blind Sight (Acoustic Mapping): The high-frequency vibration of the iron teeth acts as an active radar pulse. The wearer perceives the environment in shades of grey, with the “echoes” of their own pain bouncing off nearby objects, allowing them to detect the movement of invisible or hidden foes within 20 feet.

Positives

Total Wakefulness: The persistent discomfort serves as an absolute barrier against natural and magical sleep, ensuring the avatar remains conscious in environments that would otherwise cause total exhaustion.
Focused Intent: The pain provides a “noise floor” that drowns out minor distractions, allowing the scholar or warrior to focus entirely on a single complex task or a single deadly foe.
Reactionary Protection: The Telepathic Backlash serves as a potent deterrent; attackers are often physically repulsed by the sudden, involuntary “sharing” of the wearer’s suffering, giving the avatar a crucial moment to counter-attack.

Negatives

Psychological Erosion: Long-term use of the Penitent’s Coil can lead to a character becoming detached or irritable, as the Mind’s Eye begins to associate “focus” exclusively with “suffering.”
Physical Scaring: While the blunt teeth do not pierce the flesh, they leave deep, indentated marks on the neck that take many days to fade, identifying the wearer as a “Penitent” to any guard or officer who examines them.
Mana Consumption: If the wearer attempts to maintain the “Clarity of Torment” for too long without replenishing their energy through meals or mana crystals, the collar may begin to draw directly from the avatar’s life force, leading to a dull, persistent headache and eventual health loss.

Forge-Script for the Penitent’s Coil: Item 817 Replication

Recreating this instrument of focused suffering requires a master of iron-work to intentionally reject the pursuit of “finish” and “smoothness,” instead favoring a jagged, industrial utility that maintains a constant psychic and physical bite.

Materials Needed

Base Metal: 4 lbs of unrefined pig iron, chosen for its high carbon content and abrasive surface potential.
Alchemical Acid: 1 pint of concentrated vitriol to etch the gunmetal-grey patina and prevent the “softening” effects of oxidation.
Magic Catalyst: One Tier 1 Magic Crystal (coin-sized). The crystal must be unpolished and ideally sourced from a being that perished in a state of high neurological stress.
Viral Strain: A stable culture of the “Nervous-Bite” magic virus, held in a pressurized copper cylinder.
Hardware: One heavy-duty interlocking gear-clasp and six micro-pressure valves.
Etching Wire: 4 inches of conductive copper thread to link the iron teeth to the central crystal housing.

Tools Required

Steam-Press Forge: Used to stamp the irregular, blunt teeth into the interior lining of the iron band.
High-Pressure Infusion Chamber: A lead-lined vessel where the magic virus is pressurized and forced into the crystalline structure of the iron.
Mechanical Grinder: Used with a coarse-grit wheel to sharpen the exterior “wire” aesthetic without smoothing the interior bite.
Mana-Tuning Fork: To ensure the vibration of the crystal matches the delta-waves of the avatar’s pain response.

Skill Requirements

Metalworking (Trained): Minimum level 2. The crafter must be able to shape iron without annealing it to a “soft” state.
Alchemical Crafting (Trained): Minimum level 2. Required for the stabilization of the magic virus and the acid-etching process.
Mind-Link Theory (Trained): Minimum level 1. Necessary to properly align the copper threads so the crystal correctly “reads” the wearer’s agony.

Crafting Steps

Phase 1: The Raw Casting: Melt the pig iron in a low-oxygen environment to maintain its rough texture. Cast the neck-band in a two-part mold that features pre-set indentations for the internal teeth. Do not use a polishing cloth upon removal.
Phase 2: The Teeth Setting: Place the cooling band into the steam-press. Force the internal protrusions upward until they reach a height of 3 millimeters. These should be blunt enough not to break the skin but sharp enough to cause persistent pressure.
Phase 3: The Circuitry and Housing: Etch a narrow channel along the front exterior for the copper thread. Bolt the brass housing for the Tier 1 crystal directly over the throat-notch. Thread the copper from the internal teeth into the crystal housing.
Phase 4: Viral Pressurization: Place the entire assembly into the infusion chamber. Introduce the “Nervous-Bite” virus and increase the steam pressure to four atmospheres. This “bakes” the virus into the metal, ensuring it becomes a permanent part of the item’s magical weather.
Phase 5: Acid Weathering: Submerge the collar in the vitriol bath for exactly ten minutes. This gives the iron its characteristic gunmetal-grey color and creates the abrasive texture that prevents the item from sliding comfortably against the skin.
Phase 6: Crystal Ignition: Insert the Tier 1 crystal into the housing and seal the gear-clasp. Strike the mana-tuning fork against the iron. If the crystal begins to pulse with a deep red light and the valves hiss with a rhythmic “breath,” the item is active and ready for its first attunement.

Throat-Ring of Never-Sleeping Watcher

It is written in the cracked stones from the time when the deep holes were first carved into the dirt-flesh of the world. In the underneath of the great stone-tents of the city, there were the houses of the big wheels. These wheels were moved by the angry water-smoke, which is born when the elemental wetness and the elemental burning are pushed together by the masters. The wheels must never stop turning, for if the wheels stop, the city of the above-places will fall into the quiet dark.

There was a man of the dirt-flesh named Vorn. Vorn was a puller of the heavy levers. His sun-times were twenty and two hours long, and the air of the big wheels was thick with the breathing of the hot metal. Vorn suffered from the great enemy of the deep workers. This enemy is the soft-sleep. The soft-sleep comes into the eyes like heavy sand. It makes the head-stalk bend. If the soft-sleep takes a worker, the angry water-smoke escapes the pipes and cooks the meat of many men. Vorn saw his brother-workers cooked in this manner. Vorn made a vow to the gods of the long-enduring that he would murder the soft-sleep.

Vorn walked with heavy foot-falls to the cavern of the fire-strikers. These are the men who beat the hot iron until it obeys the shape of their thoughts. He spoke to the Oldest Striker with words of heavy desperate. He said, “I demand a wearing-thing. Make it a thing that hates the soft-sleep. Make it a thing that remembers the sharp feeling.”

The Oldest Striker heard the desperate of Vorn. He took the dark pig-metal from the fire. He did not use the smoothing-stones to make it gentle for the skin. It is known that gentle things are the brothers of the soft-sleep. He beat the metal into a circle for the head-stalk. On the inside of the circle, he raised many small mountains of sharp iron. These were the teeth of the not-forgetting.

Then, the Oldest Striker traveled to the weeping-caves where the magic water falls. He found a creature of the dark that died from the jumping-nerves sickness. He took from its chest the power-stone of the first measure. This stone was the color of bad blood. He trapped the jumping-nerves sickness inside the dark metal circle. He tied the bad blood stone to the front of the circle with strings of the conductive yellow earth.

Vorn paid the Oldest Striker with many flat wealth-circles. He placed the open jaws of the dark metal around his head-stalk. He pushed the locking-gears together with a loud sound. Immediately, the teeth of the not-forgetting bit into his meat. Vorn made a noise like a dying rock-beast. The jumping-nerves sickness moved from the metal into his thinking-veins. The power-stone of the first measure drank the sharp feeling and turned it into the bright light of the awake-time.

Vorn returned to the house of the big wheels. The soft-sleep tried to enter his eyes, but the dark metal gave a sudden bite. The red stone hummed with the sound of angry bees. The sharp feeling washed away the soft-sleep like a fast river moving dead wood. Vorn pulled the heavy levers. He watched the pressure-clocks of the angry water-smoke.

One hundred sun-times passed over the world of Saṃsāra. The other workers fell to the floor in the exhaustion-death, but Vorn did not fall. He stood at the levers like a statue of the living pain. The metal teeth had made deep valleys in his head-stalk, but they did not cause the life-water to spill. The pain was his meat and his drink. His mind was a sharp blade of the red light.

When the great breaking of the pipes happened, the angry water-smoke filled the room. The skin of Vorn was burned, but the dark metal circle absorbed the new pain. It sent the hurting-lightning directly into the brain-meat of Vorn. He did not run. He did not close his eyes in the fear-time. He turned the great saving-wheel while the others perished. He saved the city of the above-places.

Eventually, the meat-vessel of Vorn became too thin. The life left him, not from the soft-sleep, but because the vessel was empty. His body turned to the purple flashing light of the soul-leaving, leaving behind only his soul-stone and the dark metal circle of the head-stalk. The other workers found the circle. It was still humming with the ghost of Vorn’s sharp feeling. They called it the Coil of the Sorry-Makers, and they made many copies to wear in the deep places, passing the teeth of the not-forgetting from one head-stalk to another so the wheels would never stop.

The moral of the story: To keep the eyes open and the mind unbroken in the dark times, one must sometimes invite the teeth of the iron to bite the softness of the spirit.

Suggested conversions to other systems:

Call of Cthulhu

The Torment-Wreath of the Sleepless Laborer

In this system of cosmic horror and fragile mortality, the item is an artifact of “Hyper-Arousal” and mental strain. It is a tool used by cults of the industrial god or weary researchers desperate to stave off the darkness, though it leaves the mind frayed.

Item Classification: Arcane Artifact / Specialized Equipment Required Skill: None (Automatic upon wearing) Sanity Cost: 1D4 Sanity points upon first donning; 1 Sanity point per 22-hour cycle of use. Special Effects:

The Burden of Awareness: The wearer cannot fall asleep by any means, mundane or magical, while the collar is secured. This grants a Bonus Die to any POW or INT checks made to resist fatigue or sleep-inducing spells.
The Hushed Adrenaline: The persistent pain grants a +5% bonus to all Listen and Spot Hidden checks.
Psychological Detachment: The constant agony makes the wearer increasingly irritable. While wearing the collar, the investigator suffers a Penalty Die on all Charm and Persuade rolls.
The Backlash (Reaction): When struck by a melee attack, the wearer may attempt an Extreme POW check. On a success, the attacker must pass a SAN check (0/1D2) as a momentary telepathic link forces them to feel the wearer’s constant neck-choking pain.

Blades in the Dark

The Martyr’s Iron Coil

In the haunted streets of Doskvol, this is a piece of “Pain-Induced Resonance” gear, often favored by Whispers or cultists of the Forgotten Gods who find clarity in their own suffering.

Item Type: Fine Jewelry / Specialized Tool Load: 0 (Worn around the neck) Mechanics and Usage:

Focused Anguish: When you take the “Push Yourself” action to gain +1d or improved effect on an Insight or Resolve-based roll, the Coil flares. If the roll is a success, you do not mark the 2 Stress normally required; the Coil “pays” the cost with your physical pain.
Resistance to the Veil: The Coil provides +1d to Resistance rolls against any supernatural effect that would cloud your mind, induce sleep, or manipulate your emotions.
Unsettling Presence: When you use the Command action to intimidate or interrogate a prisoner while the Coil is hissing steam and glowing red, you gain +1 Effect level.
Drawback: You cannot recover Stress through the “Indulge Vice” activity while the Coil is worn. The constant irritation prevents the necessary relaxation of the soul.

Dungeons & Dragons

Torc of the Ilmatus Penitent

This item is a cursed but beneficial neck-slot accessory that utilizes the character’s exhaustion and pain as a resource for mental clarity and defense.

Item Rarity: Uncommon Item Type: Wondrous Item Requirements: Requires Attunement.

Mechanics and Usage:

Unyielding Vigilance: While attuned to this torc, you are immune to the unconscious condition and cannot be put to sleep by magic. You do not suffer the effects of the first two levels of exhaustion, although you still accrue them.
Pain-Fueled Insight: You have advantage on saving throws against being Charmed or Frightened.
Surge of Anguish (Active): Once per long rest, you can use a bonus action to physically tighten the torc. You take 1d4 piercing damage that cannot be reduced by any means. In exchange, your next melee weapon attack before the end of your turn deals an extra 1d4 lightning damage.
Telepathic Backlash (Reaction): When a creature hits you with a melee attack, you can use your reaction to force the attacker to make a DC 13 Wisdom saving throw. On a failure, the creature takes 1d4 psychic damage and has disadvantage on its next attack roll before the end of its next turn.
Curse: This item cannot be removed unless a Remove Curse spell is cast. While wearing it, you have disadvantage on Charisma (Persuasion) checks due to your visible distress and aggressive demeanor.

Knave

The Gritting-Teeth Collar

In this world of high lethality and equipment-focused progression, the collar is a survival tool for those exploring deep, lightless ruins where alertness is the difference between life and death.

Item Slots: 1 Quality: 5 (Standard iron durability) Mechanics and Usage:

The Bite of Wakefulness: While the collar is equipped, the wearer is immune to all sleep-based hazards. They automatically succeed on any check made to stay awake during a long watch.
The Adrenaline Spike: The wearer gains a +2 bonus to their Initiative rolls.
Intimidating Endurance: When making an opposed check to intimidate or threaten an NPC, the wearer treats their relevant Ability bonus as 2 higher than it actually is.
Painful Backlash: If the wearer is hit by a melee attack, they may force the attacker to make a Wisdom Save (DC 15). If the attacker fails, they flinch from a sudden telepathic surge of pain, granting the wearer Advantage on their next attack against that specific foe.
The Cost of Agony: At the end of every in-game day the collar is worn, the wearer must roll a d6. On a 1, they take 1 point of damage to their maximum HP. This max HP is only restored once the collar is removed and the wearer spends a full day resting and eating a quality meal.

Fate

The Collar of Jagged Wakefulness

In the narrative-focused framework of Fate Core, this item functions as an Extra that anchors a character’s identity to their endurance. It provides narrative permissions to bypass fatigue and creates tactical opportunities through the focused redirection of suffering.

Item Aspect: Persistent Teeth of the Penitent This aspect represents the physical reality of the iron collar. It can be invoked to resist any mental or physical effect that would cause the character to fall asleep, lose focus, or succumb to fear. It can be compelled by the GM to represent the character’s heightened irritability, the difficulty of social grace while in constant pain, or the impossibility of stealth due to the collar’s red glow and hissing steam.

Stunt: Clarity of Agony Because you wear the Penitent’s Coil, you gain a +2 to Will rolls made to defend against mental manipulation, magical sleep, or sensory-dulling illusions.

Stunt: Telepathic Backlash Once per conflict, when you take a physical consequence from a melee attack, you may immediately use your reaction to create a situation aspect on your attacker, such as Psychically Jarred or Shared Torment, with one free invocation.

Stunt: Surge of Anguish Because the crystal feeds on your pain, you may check a stress box to add a +2 bonus to a single Fight attack. If this attack succeeds with style, the target also gains the aspect Electrically Shaken.

Numenera & Cypher System

Neural-Pressurized Agony Torc

In the Ninth World, this item is a piece of bio-reactive numenera—an artifact that stimulates the user’s nervous system through controlled, aggressive feedback. It is a tool for those who must remain vigilant in the face of impossible odds.

Level: 1d6 + 1 Form: A heavy, spiked iron torc with an unpolished red crystalline housing and miniature pressure valves. Effect: While worn, the device grants the user an Asset on all Intellect-based tasks to resist sleep, charm, or mental exhaustion. The user cannot be naturally or magically put to sleep while the torc is active.

Once per day, the user can apply one level of Effort to a melee attack without spending points from their Might or Speed pool by leaning into the torc’s spikes. If the attack is successful, the target takes an additional 2 points of electrical damage.

As a reaction when struck in melee, the user can trigger a telepathic spike. The attacker must make an Intellect defense roll (difficulty equal to the artifact’s level). On a failure, the attacker is hindered on all tasks during their next turn.

Depletion: 1 in 1d20. A depletion roll is required each time the user triggers the Surge of Anguish or the Telepathic Backlash.

Pathfinder

Collar of the Ilmatus Martyr

This magic item is designed for the second edition of the system, acting as an invested garment that provides persistent bonuses to the wearer’s mental defenses at the cost of social efficacy.

Item Level: 3 Price: 50 gp Usage: Worn (Neck); Bulk: L Traits: Magical, Invested, Abjuration, Emotion, Mental.

The interior of this heavy iron collar is lined with blunt spikes that press into the wearer’s neck, providing a constant source of discomfort that keeps the mind sharp.

Activation: Reaction (Telepathic Backlash); Trigger: A creature hits you with a melee Strike. Effect: You channel your pain into the attacker’s mind. The attacker must attempt a DC 18 Will save. Success: The creature is unaffected. Failure: The creature is Sickened 1. Critical Failure: The creature is Sickened 2.

Passive Benefits:

You gain a +1 item bonus to Will saves against sleep effects and effects that would make you Controlled or Calmed.
You gain a +1 item bonus to Intimidation checks but take a –1 item penalty to Diplomacy checks.

Active Benefit: Surge of Anguish (One Action). Requirement: You must have taken damage since the start of your last turn. Effect: You press the collar into your flesh, dealing 1 piercing damage to yourself that cannot be reduced. Your next melee Strike before the end of your turn deals an additional 1d4 electricity damage.

Savage Worlds

Penitent’s Spiked Torc

In the Adventure Edition of the system, this relic is a double-edged sword that provides mechanical certainty at the cost of long-term physical fatigue and social friction.

Item Type: Magic Relic Weight: 4 lbs Damage: Str+d4 (if used as an improvised weapon)

Mechanics and Usage: The torc is a heavy iron band with internal spikes. It is intended to be worn, not wielded.

Constant Agony: The wearer is immune to all Sleep effects and adds +2 to any Vigor rolls made to resist Fatigue from long marches or lack of rest.
Intimidating Aura: The visible distress and the glowing red crystal grant the wearer the Menacing Edge. If the wearer already has the Menacing Edge, they receive a +2 bonus to Intimidation rolls instead.
Surge of Anguish: Before making a Fighting roll, the wearer may choose to take a level of Fatigue that can only be recovered after the torc is removed and the wearer rests for an hour. If they do, they add +1d6 Lightning damage to their next successful Fighting attack.
Telepathic Backlash: When an enemy scores a hit against the wearer in melee, the wearer may spend a Bennie to force the attacker to make a Spirit roll. On a failure, the attacker is Shaken as they are overwhelmed by a surge of the wearer’s pain.
Social Penalty: The wearer suffers a –2 penalty to all Persuasion rolls.

Shadowrun

The Ilmatus Bio-Feedback Collar

In the sprawl of the Sixth World, this item is a piece of “Pain-Induction” technology combined with an alchemical preparation. It is often used by street samurai or physical adepts who wish to remain hyper-alert in high-threat environments where magical sleep or sensory manipulation is common.

Item Classification: Melee Accessory / Alchemical Focus Required Skill: None (Automatic) Damage: STR + 1P (if used to headbutt) Armor Piercing: — Availability: 10R Cost: 4,500 Nuyen

Game Mechanics and Usage:

Chronic Stimulation: While the collar is active and worn, the user gains a +2 dice pool modifier to resist any Sleep-based spells, toxins, or powers. The user cannot fall asleep naturally while the item is active.
Painful Clarity: The persistent distraction of the iron teeth provides a +1 dice pool modifier to Perception tests. However, the constant irritation imposes a -2 dice pool modifier to any Social tests (except Intimidation).
Telepathic Backlash (Interrupt Action): When the wearer is hit by a melee attack, they may spend 5 Initiative Score to trigger a bio-feedback spike. The attacker must make a Charisma + Willpower (2) Test or suffer a -2 dice pool modifier to their next action due to a sudden surge of sympathetic pain.
Surge of Anguish: The user may spend a Simple Action to grind the collar into their neck. This causes 1 box of Stun damage (unresistable) but adds +2 to the Damage Value of their next Unarmed or Melee weapon attack within the same Combat Turn.

Starfinder

Penitent’s Resonance Torc

This item is classified as a Hybrid item, utilizing both advanced metallurgical construction and a magically resonant crystal that feeds on biological distress signals. It is popular among frontline Vanguards and those exploring the Drift.

Item Level: 3 Price: 1,350 Credits Hands: —; Slots: Neck Bulk: L Special Properties: Analog, Sensory, Powered (Capacity 20, Usage 1/hour)

Game Mechanics and Usage:

Vigilance Enhancement: While the torc is powered and worn, you are immune to magical sleep effects and gain a +2 circumstance bonus to saving throws against the fatigued and exhausted conditions.
Menacing Glow: The hissing steam and crimson light grant a +2 circumstance bonus to Intimidate checks.
Telepathic Backlash (Reaction): When a creature hits you with a melee attack, you can expend 1 charge from the torc as a reaction to pulse your agony. The attacker must succeed at a Will save (DC = 10 + half your level + your Key Ability Modifier) or be Sickened for 1 round.
Surge of Anguish (Swift Action): You can physically jam the spikes into your neck. You take 1d4 damage, and your next melee attack before the end of your turn deals an additional 1d6 Electricity damage.

Traveller

TL 12 Neural-Pain Stimulator

In the Third Imperium, this device is a piece of black-market military gear designed for deep-space sentries and high-security personnel. It uses direct neural-pathway stimulation via physical micro-probes to maintain absolute alertness.

Tech Level: 12 Weapon Type: None (Worn Equipment) Weight: 2 kg Cost: 2,500 Credits

Game Mechanics and Usage:

Absolute Alertness: The wearer is immune to the effects of sleep-inducing gases or drugs and receives a +1 DM to all Recon and Streetwise checks made to notice ambushes.
Social Friction: Due to the visible distress and constant hissing of the thermal valves, the wearer suffers a -2 DM to all Persuade and Carouse checks.
Neural Backlash (Reaction): If the wearer is struck in melee, the device detects the trauma and emits a localized psionic burst. The attacker must make a Difficult (10+) Willpower check. On a failure, they suffer a -1 DM to all actions on their next turn as they experience a flash of the wearer’s neural pain.
Chemical Surge: The user can manually override the safety limiters as a Minor Action. This deals 1D damage to the user but grants a Boon to their next Melee (Unarmed or Blade) attack roll as the nervous system is flooded with combat-stimulants.

Warhammer Fantasy Roleplay

The Spiked Gorget of the Penitent

This item is a grim piece of brass and iron, forged in the shadow of the Bright College or a temple of the gods of suffering. It is often seen on the necks of Flagellants or those undertaking a dangerous pilgrimage through the Chaos Wastes.

Item Group: Brawling Encumbrance: 1 Availability: Rare Qualities: Painful, Menacing

Game Mechanics and Usage:

Iron Will: The wearer gains the “Coolheaded” talent while the gorget is worn. If they already possess this talent, they gain a +10 bonus to all Willpower Tests made to resist Fear, Terror, or the effects of sleep-inducing magic.
The Bite of Iron: The wearer cannot fall asleep. For every 22 hours spent wearing the gorget without a long rest, the wearer must pass a Hard (-20) Endurance Test or suffer 1 level of Fatigue.
Menacing Presence: The hissing steam and glowing red crystal grant a +10 bonus to all Intimidate Tests.
Telepathic Backlash: If an opponent hits the wearer with a melee attack, the wearer may spend 1 Advantage to force the opponent to make a Challenging (+0) Willpower Test. On a failure, the opponent is Stunned for 1 round as they are struck by a vision of the wearer’s suffering.
Surge of Anguish: The wearer may take a deliberate “Bite” from the collar as part of an attack. They suffer 1 Wound (ignoring Toughness and Armor), but their next Melee attack gains the “Damaging” quality. If the weapon already has “Damaging,” it gains +2 Damage instead.