| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Emissary from Yuggoth | Mythos | Enemy | Monster. Yuggoth. | The Scarlet Keys Campaign Expansion 239 | Agents of Yuggoth 1 | ||
| Tenebrous Eclipse | Mythos | Treachery | Omen. | The Scarlet Keys Campaign Expansion 240 | Agents of Yuggoth 2-4 |