Lucifon, the primary antagonist and Prince of Darkness, rules the demonic forces from his throne in the distant eastern kingdom of Reimrin. His formidable combat prowess and command of a unique black mist strike terror far and wide; this lethal petrifying mist instantly turns any living thing it touches to stone.

A significant confrontation erupts between Lucifon and the protagonists Eto and his companions. During this clash, Lucifon exposes his prior acquaintance with Marlene, publicly revealing her true identity. The conflict culminates with Lucifon defeating Kakeru and his initial group. This defeat compels Kakeru to journey back through time, aiming to guide his younger self in forging a stronger team capable of challenging and ultimately overthrowing Lucifon's reign.