I killed the demon with him, had seen him at all prior locations, I didn't talk to him at the bonfire past the demon, I didn't even light the bonfire or travel past that point of no return. I just walked over to see if he was there from a distance. He was not. So I didn't even go near the bonfire, instead took the shortcut to L.I. and he was right beyond the door there, hostile as ever, had to put him down and he didn't drop the maggot head piece. That sucks.