Key to a cell holding thieves and the like.
The key to the contraption leading to the attic of the archive found on the edge of the Corvian Settlement.
After Sir Vilhelm led a white-haired woman to the attic of the library, he kept this key as if it were his life.
Unlocks the lever for lowering the staircase inside the library in the Painted World of Ariandel.
Obtained by defeating Sir Vilhelm.