Avsnitt 13

After escaping with Mizuki and his father, Sho discovers that Mr. Fukamachi had been altered by Cronos and he becomes a powerful Zoanoid named Enzyme II, Sho fights with him, but half heartedly as he does not wish to kill his father, until a brutal attack destroys Sho's brain. The Guyver then stands, fighting on its own while Sho is too critically injured to fight . The robotic systems, immune to Sho's human emotion kills Enzyme, much to the horror of Tetsuro and Mizuki.