The decisive clash with the Dark Territory continues, as gamers worldwide flood the Underworld"s servers and cast the Human Empire into complete disorder. Asuna Yuuki and her companions fight fiercely to safeguard their new allies, yet their ranks dwindle. At the same time, Alice Zuberg moves toward the World"s End Altar while Gabriel "Vecta" Miller pursues her without pause.
In parallel, Rath members devise a strategy to repair Kirito"s damaged fluctlight. Yet the invaders who occupy the main control room pursue different objectives. Encircled by death and despair, when all hope appears extinguished, a familiar voice reaches Kirito, whispering, "I will always be by your side."
Sword Art Online: Alicization – War of Underworld Season 2 serves as the grand finale to Akihiko Kayaba"s vision of artificial human intelligence. It now falls to Kirito and his allies to shield this crumbling world from those who still regard it merely as a game.
