Lidusis is the key of all the problems because the true power of the demon king was inside of him! All of the incidents that happened is Lidusis fault even though he don't have any idea about it (that the power of the demon king was inside of him)!! And I really think that the power that the tower wanted is the power inside of him not ROOD itself!!! Because in this chapter Meredith didn't know about Lidusis! If the tower knew it Mikel will hunt Lidusis even though he is a son of a Duke! Literally I feel bad for him because his life became like that because of Lispen who hid the power inside him, because Lispen don't like Ruby as his new King