Sword Art Online

Season 3, Episode 12

Episode Title: The Sage of the Library

Air Date: 2018-12-23

Overview:

Kirito and Eugeo escape from their cell, only to find their way blocked by Eldrie Synthesis Thirty-One, under orders from Alice to lie in wait for them. Kirito and Eugeo struggle against him until Eugeo realizes that he's seen Eldrie somewhere before.