Sword Art Online

Season 4, Episode 17

Episode Title: Prince of Hell

Air Date: 2020-08-09

Overview:

Asuna and the others succumb to Vassago and the Chinese/Korean players. Discovering the catatonic Kirito, Vassago kicks his wheelchair over. Enraged, Klein lunges at Vassago, only to be pinned down by enemy players. Just then, someone unexpected appears.