In the virtual world of Yggdrasil, Ainz Ooal Gown, Momonga, a powerful Wizard finds himself alone when the game unexpectedly disappears. Unbeknownst to him, he has merged with his in-game avatar, Gaining control over an army of loyal NPCs. Now as Ainz Ooal Gown, a skeletal overlord, he sets out to conquer this newly physical world. He must learn hi