Item Appearance: A circular obsidian brooch with a meticulously crafted spiral pattern inlaid with silver. At the spiral’s center, a tiny compartment can be opened, revealing a small paper contract.
Lore: In Saṃsāra’s city of Echo’s End, where every sound is treasured, the musically inclined mage, Althor, wished to harness the power of sound’s affinity. He believed that every sentient being had a unique resonance, a personal frequency, and if tapped into, this could offer immense power. Althor channeled the principles of Contract Magic, creating the “Contract of Harmonious Resonance,” a brooch capturing the essence of sound and its innate bond with the wearer.
Stats:
- Defense: The brooch emits a protective sonic shield when danger is near, offering resistance to sound-based attacks.
- Offense: Once per day, the wearer can release a controlled burst of resonating energy, causing sonic damage to enemies within a 5-foot radius.
Slot: Chest (worn as a brooch)
Roleplay: The brooch constantly hums softly, tuning itself to the wearer’s unique frequency. This creates a sense of unity and enhances the wearer’s affinity with sound and vibration. Those who wear the brooch might find themselves more attuned to the sounds around them, understanding their nuances, harmonies, and even emotions tied to certain resonances.
Costs: To activate the brooch, the wearer must hum their personal “soul tune” into the compartment. This tune, a unique melody representing the individual’s essence, becomes fainter in the wearer’s memory with each use, making it a precious and rare recollection over time.
Magics:
- Resonant Shield: The brooch, upon detecting incoming sound-based threats, creates a barrier of counter-frequencies, neutralizing or reducing sonic harm.
- Sonic Pulse: The brooch can absorb ambient sounds, and when needed, release them in a concentrated burst, causing dissonance and damage to those too close.
Tags: Affinity, Resonance, Sonic Protection
Usage in Different Environments:
- Defense:
- In echoing caves or canyons, the brooch can actively cancel out or minimize disruptive echoes that might disorient or harm the wearer.
- In busy urban environments, it can act as a filter, reducing overwhelming noise to manageable levels, protecting the wearer’s sense of hearing and mental well-being.
- Offense:
- In tight spaces or indoor settings, releasing the Sonic Pulse might cause amplified damage due to reverberations.
- In open fields or quiet landscapes, the burst serves as a sudden and unexpected offense, using the silence to its advantage, making the sonic attack more pronounced.

Perception of Activation:
- Sight:
- Perceived: The brooch pulsates with a soft, silver luminescence.
- Description: The inlaid silver spiral pattern momentarily brightens, emitting gentle waves of light in sync with its vibrations.
- Positives: Provides a clear visual indication that the brooch’s magic has been activated.
- Negatives: The luminescence can give away the wearer’s position, especially in darker settings.
- Sound:
- Perceived: A harmonious, resonating hum.
- Description: A comforting and musical hum that seems to be the amalgamation of various frequencies, producing a unique melody.
- Positives: The sound can be soothing and calming, reinforcing the wearer’s connection to the item.
- Negatives: The humming might be heard by nearby entities, potentially alerting them to the wearer’s presence or intentions.
- Touch:
- Perceived: A gentle, rhythmic vibration.
- Description: The brooch gives off a soothing vibration, pulsing in rhythm with the wearer’s heartbeat.
- Positives: The tactile sensation can be grounding and reassuring.
- Negatives: Constant vibrations, especially during prolonged activation, might become slightly distracting or irritating.
- Smell:
- Perceived: A faint, metallic scent, mixed with a hint of ozone.
- Description: As the magic within the brooch activates, it releases this characteristic smell.
- Positives: Acts as another sensory cue for the wearer, indicating the brooch’s active state.
- Negatives: The metallic odor might be slightly off-putting to some, especially in closed spaces.
- Taste:
- Perceived: A fleeting, neutral sensation.
- Description: Not directly related to the brooch, but some wearers report a temporary “null” taste, as if their palate is momentarily cleansed.
- Positives: Can momentarily cleanse the palate of any overpowering or unwanted tastes.
- Negatives: The neutral sensation might be disconcerting, especially if the wearer was eating or drinking.
- Extra-Sensory Perceptions:
- Emotional Resonance:
- Perceived: A feeling of unity and connection.
- Description: Wearer feels an intensified emotional bond with their surroundings, especially entities emitting significant sound frequencies.
- Positives: Enhanced empathy and understanding can aid in peaceful interactions and negotiations.
- Negatives: Overwhelming or conflicting emotions might be momentarily confusing or disorienting.
- Sonic Awareness:
- Perceived: Heightened awareness of ambient sounds and vibrations.
- Description: The wearer gains a refined sense of all sounds within their vicinity, able to detect even the faintest of noises.
- Positives: Provides an advantage in environments where acute hearing is beneficial, such as detecting stealthy movements.
- Negatives: Sensory overload can occur in particularly noisy settings, leading to distraction or discomfort.
- Emotional Resonance:
Crafting Recipe for Contract 359 of Harmonious Resonance
- Materials Needed:
- Obsidian Disk (5 cm in diameter) – serves as the base of the brooch.
- Pure Silver Filament (approximately 50 cm) – to inlay the intricate spiral pattern.
- Compact Paper Parchment – to inscribe the contract.
- Sonic Binding Elixir (three drops) – a magical substance known to capture and manipulate sound.
- Resonance Crystal Shard – a tiny crystal that holds and amplifies sonic energies.
- Tools Required:
- Precision Chisel – for carving the spiral groove on the obsidian disk.
- Fine-Tipped Quill – for inscribing the contract.
- Sonic Tuner – a device used to test and ensure the correct frequency is captured.
- Alchemical Flask – for safely handling and pouring the Sonic Binding Elixir.
- Skill Requirements:
- Basic Gem Crafting – for working with the obsidian and silver filament.
- Intermediate Enchantment – for binding the sonic properties to the brooch.
- Contract Magic Proficiency – for inscribing and binding the magical contract.
- Crafting Steps:
- Obsidian Preparation:
- Using the precision chisel, carefully carve a spiral groove into the obsidian disk, starting from the center and working outward. This will hold the silver filament.
- Silver Filament Setting:
- Gently lay the pure silver filament into the carved spiral groove, pressing it slightly to ensure it settles well into the pattern.
- Contract Inscription:
- On the compact paper parchment, use the fine-tipped quill to write out the terms of the magical contract.
- Once inscribed, fold the parchment into a size that allows it to fit snugly within the central compartment of the brooch.
- Sonic Binding:
- In the alchemical flask, mix the three drops of Sonic Binding Elixir with fragments of the Resonance Crystal Shard. Gently swirl until the mixture begins to emit a soft hum.
- Carefully pour this mixture over the brooch, ensuring it covers the silver filament. As it dries, the brooch will begin to resonate with the ambient sound.
- Final Assembly:
- Affix a pin to the back of the obsidian disk, transforming it into a wearable brooch.
- Place the inscribed contract into the brooch’s central compartment, sealing the essence of the item’s magic within.
- Obsidian Preparation:
Upon completion, Contract 359 of Harmonious Resonance is ready to resonate with its wearer, granting them its unique sonic-based magical properties.
Echoing Tale of the Sound-bound Stone
In far land, where silence roamed wide, Echo’s End named, where sounds did hide. In midst stood Althor, mage of note, with dreams of sound, his heart did dote. A brooch he sought, not mere adorn, but to catch all sounds, since first light of dawn.
In obsidian dark, spiral bright did trace, capturing echoes, from time’s vast space. Silver it shined, and hummed a tone, of ancient times, and futures unknown. Heart of resonance, within did stay, a contract of old, holding decay at bay.
Tales speak of sound, of song, of shout, all trapped within, none left without. Whispers of battles, cries of glee, every sound that ever would be. But also a hum, a tune so fine, the soul’s own song, a sound divine.
But as tales twist, in tongue and time, true essence lost, just left is rhyme. Brooch of power, or simply art? No soul now knows, its truest part. Yet, in Echo’s End, some still say, sounds of old can still play.
Moral of the Story: In every echo of past, a lesson is cast; though time may blur, essence will last. Listen close, for in faintest sound, truth and wisdom are often found.
Suggested conversion to other systems:
Call of Cthulhu:
- Type: Jewelry (Brooch)
- Effects:
- Grants a +10% bonus to Listen checks.
- Once per session, can emit a dissonant frequency, causing disorientation in adversaries for 1 round.
Dungeons & Dragons 5e:
- Wondrous Item (brooch), uncommon (requires attunement)
- Grants advantage on Perception checks that rely on hearing.
- Once per short rest, the wearer can use an action to release a resonating pulse, forcing all creatures within a 10-foot radius to make a CON save or be stunned until the end of their next turn.
Knave:
Item: Harmonious Resonance Brooch
- Effect: Grants a bonus to checks involving sound. Once per day, wearer can emit a burst of sound, disorienting nearby foes for 1 round.
Numenera & Cypher System:
- Type: Wearable Cypher
- Level: 2
- Effect: Provides an asset to tasks involving sound. Can be activated to emit a pulse, disrupting adversaries and providing a chance to escape or attack.
Pathfinder 2e:
- Wondrous Item (brooch), uncommon
- Grants a +1 item bonus to Perception checks involving sound.
- As an action, once per day, release a soundwave in a 10-foot radius, forcing creatures to make a Fortitude save or be dazed for 1 round.
Savage Worlds:
- Type: Magic Item (Brooch)
- Effects:
- +2 to Notice rolls involving sound.
- Once per session, the wearer can activate the brooch to emit a disorienting soundwave, forcing adversaries in a Small Burst Template to roll Vigor or be Shaken.
Shadowrun:
- Type: Magic Talisman
- Effect: Provides a +2 dice pool bonus to Perception tests related to sound. Once per day, it can emit a sound burst that causes disorientation, imposing a -2 penalty on actions for affected entities for 1 turn.
Starfinder:
- Wondrous Item (brooch), uncommon
- Provides a +1 enhancement bonus to Perception checks involving sound.
- As a standard action, once per day, release a sonic pulse in a 10-foot radius. Affected creatures must make a Fortitude save or be staggered for 1 round.
Warhammer:
- Magical Item (brooch)
- Grants a +10 bonus to Perception tests related to hearing.
- Once per battle, as a free action, the wearer can emit a resonating sound, forcing enemies within 6″ to reroll successful attack rolls for 1 turn.
