User blog comment:B214/Volume 17 spoilers./@comment-24098614-20140318171834/@comment-1359322-20140319074316

I'm actually basing it from this statement.

"“Even that isn’t known. There has never been a case like this. The current you is a reincarnated Devil who reincarnated from a humanoid Dragon. Except, there is a way to stabilise it. Rather, there has been result. You understand that yourself, right?”"