Watch as the dark reality behind Rath's experiments is exposed through Higa's clone experiment and Kikuoka's explanation of the Underworld's creation:
After sneaking onto the secret research facility with the help of , Asuna confronts Kikuoka Seijirou . Kikuoka reveals that Kirito is being treated with the Soul Translator (STL) to repair severe brain damage by stimulating his "Fluctlight"—a copy of his human soul. The Goal of Project Alicization [Mew] Sword Art Online - Alicization - 06 (BDRi...
The true purpose of the project is not just medical treatment but the creation of a "". Watch as the dark reality behind Rath's experiments