The Hakkeshu is a cult group formed by the eight strongest warriors from the clan who serves the divine being known as Orochi. Their main goal is to one day release their master from the seal which binds him. Although Hakkeshu's physical body can be destroyed, their essence of existence cannot be. They are born and reborn through reincarnations cycled by the Wheel of Samsara. So all that can be done to stop them is to have them sealed away.