The Annex Key is a key in Dark Souls.
- Key to the annex in the Painted World of Ariamis.
- In the wintery painted world, there is a structure resembling an old cathedral; its annex serves as a type of storehouse.
Found in the maze-like well portion of the Painted World of Ariamis.
Unlocks the door to the Annex in the Painted World of Ariamis. Behind this door will be an area containing multiple useful items.