The short version of things is that this is an ancient, elven artifact that made a home for itself inside my hand when I touched it. No one can remove it, but others have been able to... nullify it a bit, because it's - well. Killing me. Just a touch.

[ Cullen had managed it for a while, but with the recent chaos of the war with the Null and Sorrow's death, this has been on the back burner. Maybe for too long. ]