| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Sudden Mutation | Mythos | Treachery | Power. Colour. | The Feast of Hemlock Vale Campaign Expansion 241 | Mutations 1-2 | ||
| Unnatural Growth | Mythos | Treachery | Curse. | The Feast of Hemlock Vale Campaign Expansion 242 | Mutations 3-4 |