Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-188.37.95.252-20130808135337/@comment-11533671-20130808215427

Because Deucalion has fully transformed before. He looks similar to Peters' full transformation. You take that plus add his multiplied strength and you have basically the same wolf you describe but it is meaner, stronger and faster. That is Deucalion's full transformation. He is the demon wolf.