Sonic Resonator
Artifact
Item Type Artifact
The investigators find the Sonic Resonator in a flooded chamber where previous explorers vanished without a trace.
- Is Mythos
- Yes
- Sanity Cost
- 1d4
Properties
- Emits adjustable sonic frequencies that can shatter glass, disorient living beings, or unlock hidden resonances in crystalline structures
- When activated, distorts the perception of distance and time within earshot
Description
A compact brass device with interlocking gears and a vibrating diaphragm, humming softly with an unnatural, dissonant tone.
Hook
The investigators find the Sonic Resonator in a flooded chamber where previous explorers vanished without a trace.
Mythos Connection
Linked to the lost city of R'lyeh, the device channels the chaotic harmonics of the deep ones' song.
GM Notes
- Activating the device requires a Mechanical Repair or Occult skill check (55% default) to avoid feedback.
- Prolonged use causes unsettling auditory hallucinations and mild sanity loss.
- May attract the attention of deep ones or awaken sleeping cosmic entities nearby.