Sword Art Online: Alicization Episode 13: Ruler and Mediator
Episode 13 of 24 of Sword Art Online: Alicization, aired January 5, 2019, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Kirito and Eugeo have been rescued by the young girl, Cardinal, who has secluded herself inside the Central Cathedral’s Great Library. Cardinal explains to Kirito how the Axiom Church and the Taboo Index came to be, starting with Administrator’s past.