Talk:Ozpin/@comment-2601:153:600:443F:C99A:C5E8:510D:A829-20171228004124/@comment-190.230.185.167-20180129054802

The CANON reason as far as we know is that he was simply weaker than Cinder, his low reserves of magic from giving it to the Branwen and splitting it into Miadens weakened him greatly.

But as we see Ozpin wiping the floor with her face, the reason I think is correct is plot.