| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Alkaline Forest | Mythos | Location | Cave. Dark. | The Feast of Hemlock Vale Campaign Expansion 217 | Horrors in the Rock 3 | ||
| Calcification | Mythos | Treachery | Hazard. Blight. | The Feast of Hemlock Vale Campaign Expansion 223 | Horrors in the Rock 11-12 | ||
| Chroma Blight | Mythos | Treachery | Power. Blight. | The Feast of Hemlock Vale Campaign Expansion 222 | Horrors in the Rock 9-10 | ||
| Crystal Parasite | Mythos | Enemy | Monster. Insect. Blight. | The Feast of Hemlock Vale Campaign Expansion 221 | Horrors in the Rock 7-8 | ||
| Dry Burrow | Mythos | Location | Cave. Dark. | The Feast of Hemlock Vale Campaign Expansion 216 | Horrors in the Rock 1-2 | ||
| Iridescent Passage | Mythos | Location | Cave. | The Feast of Hemlock Vale Campaign Expansion 218 | Horrors in the Rock 4 | ||
| Mineral Tunnel | Mythos | Location | Cave. Dark. | The Feast of Hemlock Vale Campaign Expansion 220 | Horrors in the Rock 6 | ||
| Overgrown Tunnel | Mythos | Location | Cave. Dark. | The Feast of Hemlock Vale Campaign Expansion 219 | Horrors in the Rock 5 |