| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Corrosion | Mythos | Treachery | Hazard. | The Path to Carcosa 102 | Decay & Filth 3-4 | ||
| Ooze and Filth | Mythos | Treachery | Hazard. | The Path to Carcosa 101 | Decay & Filth 1-2 | ||
| Roach Swarm | Mythos | Enemy | Creature. | The Path to Carcosa 103 | Decay & Filth 5-6 |