User blog comment:General MGD 109/Pheonix, Monster or not?/@comment-3481504-20120409004654/@comment-3481504-20120409185822

Oh. But Bobby clearly said" the ashes of a Phoenix can burn the mother", the "a" implies not just one.

What do you mean how? They read it in a book. Not necessarily, I mean a blade of an Archangel can kill one, but it was never tested.