Sword Art Online - Full Series Information, Trailer & IMDb Reviews
Watch Sword Art Online Season 4 Episode 13 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
The ice sniper from Gun Gale Online, Sinon, successfully logon into Underworld using a super account Solus, the goddess of the sun, to help Asuna and Kirito inside the Underworld against tons of Crimson Army and The Dark Knight.