Establishes Kirito, Asuna, and the core cast.
To fully understand War of Underworld , you should follow this sequence: Sword Art Online: Alicization - War of Underworld
Episodes 25–47 (often split into Part 1 and Part 2). Plot Arcs & Synopsis Establishes Kirito, Asuna, and the core cast
Sword Art Online: Alicization - War of Underworld is the climactic second half of the Alicization arc, adapting volumes 15–18 of the light novels. This guide covers the essential watch order, plot arcs, and key characters. and key characters.