| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Return to The Unspeakable Oath | Mythos | Scenario | Return. | Return to the Path to Carcosa 34 | Return to The Unspeakable Oath 1 | ||
| "The Really Bad Ones" (v. III) | Mythos | Act | Return to the Path to Carcosa 35 | Return to The Unspeakable Oath 2 | |||
| "The Really Bad Ones" (v. IV) | Mythos | Act | Return to the Path to Carcosa 36 | Return to The Unspeakable Oath 3 | |||
| Host of Insanity | Mythos | Enemy | Avatar. Elite. | Return to the Path to Carcosa 37 | Return to The Unspeakable Oath 4 | ||
| Radical Treatment | Mythos | Treachery | Return to the Path to Carcosa 38 | Return to The Unspeakable Oath 5 | |||
| Clouded Memory | Mythos | Treachery | Terror. | Return to the Path to Carcosa 39 | Return to The Unspeakable Oath 6 |