Sword Art Online: Alicization Episode 12 -

: Before the battle concludes, a mysterious girl named Cardinal opens a warp gate, pulling Kirito and Eugeo into the Great Library Room within the Central Cathedral.

: Cardinal reveals the history of the Underworld. She explains how Quinella , the first person to discover system commands (Sacred Arts), eventually "leveled up" her authority by hunting animals to the point where she could manipulate the world's very laws. Sword Art Online: Alicization Episode 12

In , titled " The Sage of the Library ," the story shifts from intense combat to a major narrative revelation. After escaping their prison cell, Kirito and Eugeo are confronted by the Integrity Knight Eldrie Synthesis Thirty-one. Key Plot Developments : Before the battle concludes, a mysterious girl