Ainz Ooal Gown, the undead wizard who used to be Momonga, has accepted his role in this new world. It’s similar to his favorite game, Yggdrasil, but it still has many secrets he wants to explore using his power as the leader of the Great Tomb of Nazarick. Since one of his followers was brainwashed, Ainz has become cautious about the threats from the Slane Theocracy and the possibility of other players from Yggdrasil being around. Meanwhile, Albedo, Demiurge, and Ainz's other loyal protectors are getting ready for their next move: the first war for Nazarick...