| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Vengeful Serpent | Mythos | Enemy | Humanoid. Monster. Serpent. | Return to the Forgotten Age 78 | Venomous Hate 1-3 | ||
| Serpent Guardian | Mythos | Enemy | Construct. Serpent. | Return to the Forgotten Age 79 | Venomous Hate 4 | ||
| Wrath of Yig | Mythos | Treachery | Power. | Return to the Forgotten Age 80 | Venomous Hate 5 |