In an epic battle to the death Ryota proved to Tatsuo with is mutant form he can still overcome his might in skills and strength but Ryota still suffer a blade to the ankle he got from Tatsuo years ago in the first battle as humans. But in his pain he remembers what Tatsuo did to his family and turning everyone into mutants just to be a god and with a final blow he sliced throw Tatsuo's throat cutting off his head.
