Board Thread:Legitimate Canon Questions/@comment-4091815-20131214163949/@comment-201.51.125.35-20131229063301

don't know if this was already asked but, can someone tell how come only peter turns into that badass black alpha? i mean, derek and all the other only change the color of the eyes.. deucalion came pretty close, but since he is a demon-wolf(?) it should be diferent from the start.