Kamebushi shell

Kamebushi yet again, this is his back/shell, the shell was refurbished by an ancient race of creatures adept in the ways of war, there's basically another creature connected to kamebushi, this creature serves two purposes, first as "eyes on his back" and second it hold his weapon with it's powerful jaw.
kamebushi is an ancient warrior, alway ready to protect the world from the evil Shark ( mutants) creatures that infest the land.