All 13 episodes from the fourth season of the anime based on the light novel series by Kugane Maruyama. The virtual reality game ´Yggdrasil´ has gone offline but Momonga (voice of Satoshi Hino) still finds himself active in the game world and becomes Ainz Ooal Gown. As he traverses this new world, the non-playable characters become sentient and believe he is plotting world domination, so Ainz resolves to create a world where humans and non-humans have equal status.