- "Based on the quantity of moldering ruins on Artaeum, once there must have been many more monks of the Psijic Order than are present today. This hall looks to have been more recently than most."
- ―Traitor's Vault Loading Screen[src]
Traitor's Vault is a delve in The Elder Scrolls Online: Summerset. It is located in Artaeum west from the entrance portal to the island. Previously it was a place where the most talented Psijic students, Mannimarco and Vanus Galerion, performed their research.
Sublocations
- Sealed Hall
- Secret Chamber
Quests
Half-Formed Understandings
Ulliceta gra-Kogg asks the Vestige to help uncover the truth behind Traitor's Vault.
Struck from Memory
The Divine Prosecution and the Psijic Mage Esulo request to seal away dangerous Worm Cult tomes.
Notable items
- Skyshard – On the third floor, in the central chamber
- Letter to Casolinwe – In the northern central chamber
Quest items:
- Eye of Remembrance
- Mannimarco's Forbidden Tome
Characters
- Non-hostile
- Mannimarco
- Ulliceta gra-Kogg – Outside
- Vanus Galerion
Creatures
- Hostile
- Bone Colossus
- Bone Flayer
- Bone Incinerator
- Flesh Atronach
- Flesh Colossus
- Skeletal Bear
- Skeletal Guar
- Skeletal Wolf
- The First Flesh Colossus (Boss)
- Vessel of Worms – during "Half-Formed Understandings"
- Worm-Rot Dragonknight
- Worm-Rot Necromancer
- Worm-Rot Seeker
- Worm-Rot Sniper
- Worm-Rot Spellsword
- Non-hostile
- Scavenger
- Spider
- Ulliceta gra-Kogg (Aural Projection)