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 transformed into his in-game avatar, acquiring control over an army of loyal NPCs. Now within the body of Ainz Ooal Gown, a skeletal overlord, he sets out to conquer this newly physical world.