The truth.

“Well. Let’s see. I think I died, a witch stole my body, sent me to the abyss, a demon made me a new body, fought some demons, killed some creepy dude, I think, floated here, found this body that was murdered and I think I used it to build me a new body because it was broken and female and, well I was going for male and got sorta half there I guess.” Finished you stare at him, and shrug.

He scratches his chin and looks like he is either thinking real hard, having a telepathic conversation, or just really has to poop. Finally after several minutes of silence, he speaks, “You are coming to see my boss. Take my hand.” He holds out his huge clawed hand.