Momonga used to have a boss. Now he is the final boss in Yggdrasil, a game world made real, in the super popular light novel series Overlord! Lord Ainz has made great progress moonlighting as the indomitable hero Momon, but what should be a moment of triumph is shattered by news of rebellion. He vows to find out what has happened and to defend the honor of his guild and home, Ainz Ooal Gown.