"I was Ivan in a past life," He agrees. then says "A great chimera that threatened us. It could not be slain by any weapon dreamed of, it could not be harmed by any cantrip, and there was only way to defeat it. Father found that way, but to do it... he had to risk all." The pooka now speaks the truth with effort, or so it seems, "It had to be let in, then fed to the fire. But to do that, the fire was open. Imagine how he felt, tied to the flame thus? But he refused to truly part from it even when it was risking him as well and..." A sigh "It made him sour."