Smoke-Stained Locket



Smoke-Stained Locket is both a quest item and quest reward. The quest item is rewarded from the achievement Legacy of Leyara. It starts the quest Quest:A Smoke-Stained Locket, which starts the quest chain of Leyara's Past:

The quest Quest:The Rest is History rewards the Smoke-Stained Locket. Using it will give the buff Leyara's Locket that transforms the user into a Druid of the Flame.

Source
The quest item is rewarded from the achievement Legacy of Leyara. The quest Quest:The Rest is History rewards the Smoke-Stained Locket.