| Name | Class | C. | Type | Icons | Traits | Set | Encounter |
|---|---|---|---|---|---|---|---|
| Body of a Yithian: Captive in Another Form | Neutral | Investigator | Monster. Yithian. | The City of Archives 244 | The City of Archives | ||
| Captive Mind | Mythos | Treachery | Hex. | The City of Archives 263 | The City of Archives 39-40 | ||
| City of the Great Race | Mythos | Agenda | The City of Archives 238 | The City of Archives 2 | |||
| Cruel Interrogations | Mythos | Treachery | Injury. Terror. | The City of Archives 261 | The City of Archives 34-36 | ||
| Deconstruction Room | Mythos | Location | Ancient. Pnakotus. | The City of Archives 254 | The City of Archives 21 | ||
| Exploring Pnakotus | Mythos | Act | The City of Archives 241 | The City of Archives 5 | |||
| Great Library | Mythos | Location | Ancient. Pnakotus. | The City of Archives 251 | The City of Archives 18 | ||
| Halls of Pnakotus: Northern Corridors | Mythos | Location | Ancient. Pnakotus. | The City of Archives 248 | The City of Archives 15 | ||
| Halls of Pnakotus: Eastern Corridors | Mythos | Location | Ancient. Pnakotus. | The City of Archives 249 | The City of Archives 16 | ||
| Halls of Pnakotus: Western Corridors | Mythos | Location | Ancient. Pnakotus. | The City of Archives 250 | The City of Archives 17 | ||
| Humanity Fading | Mythos | Agenda | The City of Archives 240 | The City of Archives 4 | |||
| Interview Room: Arrival Chamber | Mythos | Location | Ancient. Pnakotus. | The City of Archives 245 | The City of Archives 12 | ||
| Interview Room: Restraining Chamber | Mythos | Location | Ancient. Pnakotus. | The City of Archives 246 | The City of Archives 13 | ||
| Interview Room: Ichor-Filled Chamber | Mythos | Location | Ancient. Pnakotus. | The City of Archives 247 | The City of Archives 14 | ||
| Keeper of the Great Library | Mythos | Enemy | Monster. Yithian. | The City of Archives 257 | The City of Archives 24-25 | ||
| Laboratory of the Great Race | Mythos | Location | Ancient. Pnakotus. | The City of Archives 253 | The City of Archives 20 | ||
| Lost Humanity | Mythos | Treachery | Terror. | The City of Archives 262 | The City of Archives 37-38 | ||
| Lost Memories | Mythos | Agenda | The City of Archives 239 | The City of Archives 3 | |||
| Out of Body Experience | Neutral | Treachery | Madness. Paradox. | The City of Archives 264 | The City of Archives 41-44 | ||
| Repossession | Mythos | Act | The City of Archives 243 | The City of Archives 7 | |||
| Restricted Access | Mythos | Act | The City of Archives 242 | The City of Archives 6 | |||
| Scholar from Yith | Mythos | Enemy | Monster. Yithian. | The City of Archives 259 | The City of Archives 28-30 | ||
| Scientist of Yith | Mythos | Enemy | Monster. Yithian. | The City of Archives 258 | The City of Archives 26-27 | ||
| The City of Archives | Mythos | Scenario | The City of Archives 237 | The City of Archives 1 | |||
| The Custodian: Curious Yithian | Neutral | Asset | Ally. Yithian. | The City of Archives 256 | The City of Archives 23 | ||
| Towers of Pnakotus | Mythos | Location | Ancient. Pnakotus. | The City of Archives 255 | The City of Archives 22 | ||
| Yithian Orrery | Mythos | Location | Ancient. Pnakotus. | The City of Archives 252 | The City of Archives 19 | ||
| Yithian Presence | Mythos | Treachery | Power. Terror. | The City of Archives 260 | The City of Archives 31-33 |