| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Return to Echoes of the Past | Mythos | Scenario | Return. | Return to the Path to Carcosa 28 | Return to Echoes of the Past 1 | ||
| Quiet Halls | Mythos | Location | Basement. | Return to the Path to Carcosa 29 | Return to Echoes of the Past 2 | ||
| Historical Society: Dusty Archives | Mythos | Location | Basement. Passageway. | Return to the Path to Carcosa 30 | Return to Echoes of the Past 3 | ||
| Historical Society: Museum Storage | Mythos | Location | Basement. Passageway. | Return to the Path to Carcosa 31 | Return to Echoes of the Past 4 | ||
| Historical Society: Boiler Room | Mythos | Location | Basement. | Return to the Path to Carcosa 32 | Return to Echoes of the Past 5 | ||
| Keeper of the Oath | Mythos | Enemy | Humanoid. Cultist. | Return to the Path to Carcosa 33 | Return to Echoes of the Past 6-7 |