In the virtual world of Yggdrasil, a mighty Sorcerer, an enigmatic Mage 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 in the form of Ainz Ooal Gown, a skeletal overlord, he begins his journey to conquer this newly tangible world.