Which is nothing like the Goblin ability to retain magic essence from the corpses they nom on. He's just a cannibal.

But a good cannibal. I think. I don't know. I don't make good characters. I make complicated, loathsome characters that are the bane of existences. This is a stretch for me. 

At least I know he won't eat any of you until you are dead... or dying. Fatally wounded. lets go with that.