Akuma

"'You don't want to hurt yourself. Leave that to us.'""-Akuma, in Ishibo"Akuma is the leader of the demon monk army appearing in the episode Ishibo. When Kai tells Akuma that Adam can fight him for the Ishibo, Akuma instead sends a creature, Katsuro, for Adam to fight. Adam successfully beats the creature and fights Akuma. Akuma corners him onto the cliff and almost drops him into the void. Adam manages to beat him.

Appearance
Akuma has light blueish greyish skin with red markings on his arms and torso. He has furrowed pink eyes with dark eyebags, 3 dots on his forehead and two small red horns. He is broad shoulder and muscled. He has a shaved head with a long black ponytail in a red elastic. He wears a blue vest, black bracelets, a dark purple belt, a purple ornament, black pants and black boots with golden ornaments.