Io  

, イオ

Io serves as Borcus second-in-command. Despite his intimidating appearance, he is known for being compassionate towards civilians and children. In contrast to his superior officer, Io opposes the brutal actions committed by Borcuse and his comrades against civilians and enemy combatants. Furthermore, Io has a romantic relationship with Borcuses daughter. As one of Borcuses most trusted guards and commanders, he rides the powerful Golem Toria.