Sword Art Online: Alicization – War of Underworld Last Season will be premiering in April. And as the hype grows, the staff revealed a brand new PV during the Sword Art Online -Ex-Chronicle- event in Kyoto. Now, the video has finally been released online via the anime’s Twitter Page:
From the key visual, it looks like it will really be intense, and the other SAO characters like Leafa and Sinon are finally joining in.
Previously, the light novels’ editor, Kazuma Miki, revealed that the anime will cover the entire Alicization arc. The arc itself lasts for a whopping 11 volumes, from Volume 9, all the way to volume 19. This makes the arc longer than all of SAO’s previous story arcs combined. Expect the staff to reveal more details soon.
source: Sword Art Online official website