Blackthorn Deep Mine

Blackthorn Deep Mine

Atmosphere An oppressive silence echoes through twisting tunnels, distorting reality and fraying the mind. Location Type Mine

Investigators find evidence that the mine’s silence masks a sleeping horror that must be contained or awakened.

Clues
  • Old excavation maps annotated with strange symbols
  • A rusted, bloodstained pickaxe with an unnatural heft
  • Fragmented journal pages describing a terrible awakening
Dangers
  • Hemorrhagic phantasms manifesting from the dark
  • Crushing collapses triggered by unseen forces
  • A lurking mythos entity that warps space and time
Secrets
  • The mine’s sealed entrance suppresses an ancient subterranean entity trying to emerge
  • A cult, long vanished, attempted to awaken the entity for cosmic knowledge
  • The strange symbols encode a ritual imprisoning an eldritch horror beneath the earth
Description

Once a bustling coal mine, sealing was enforced after inexplicable disappearances; now, its entrances are bricked, yet faint whispers and strange lights hint at something lingering beyond perception.

Hook

Investigators find evidence that the mine’s silence masks a sleeping horror that must be contained or awakened.

GM Notes

- Use lighting and sound to create an unsettling atmosphere
- The environment is unstable; collapses and illusions are possible
- Emphasize the cursed history and the danger of unearthing forbidden secrets

Created with Town Scryer for Call of Cthulhu 7th Edition

by bananatron