Old key

There are several "old keys":

Clerk's key
The Old key is found on the body of a clerk at Bastoy Prison Ruins, together with the Clerk's diary.

Associated quest

 * The Toussaint Prison Experiment

Old key from Ard Skellig
This old key is found along with a mysterious map somewhere south of Blandare, near the lake. It unlocks a chest under a nearby waterfall.

Associated quest

 * X Marks the Spot

Old key from Undvik
This old key is found on a skeleton along with a mysterious map, just inside the gate of the Dorve Ruins.

Associated quest

 * Ruins, Hidden Treasure, You Know...

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