Wraithstone

When it’s burned, and a living creature inhales it, it strips away their sense of self. Damages the ability to be creative. Creates pseudo-people, or animals that don’t have a strong sense of self-preservation.
Wraithstone is used in the process of Severing, the intentional destruction of a person's personality and soul
It's possession is commonly punished by death in many civilized lands.

Item type

Element, Chemical