Roy faces a new threat outside the Ghost's Tower as death marches on Mountain Moore. Meanwhile, on the continent of Garasu, Doragon and Hoshi battle a host of demons, all trying to break the walls of their fortress city. With the demons growing more aggressive, whispers of civil war within their walls, and the potential rise of a new Divine, Roy will need to push himself harder than ever. With the entire world on the brink, weakness is no longer an option. Will Roy and his allies rise to the occasion, or will the Archfiend Sovereign fall before the might of Buryoku....