Sword Art Online Episode 20 -
Eugene uses the , which has the «Ethereal Shift» ability to phase through blocks .
In the Sword Art Online anime, typically refers to "General of the Blazing Flame" from the first season's Fairy Dance Arc. However, since the series has multiple seasons, Season 1, Episode 20: "General of the Blazing Flame" Original Air Date : November 17, 2012 . Sword Art Online Episode 20
Kirito wins by borrowing Leafa's katana and using his muscle memory from SAO to overwhelm Eugene . Eugene uses the , which has the «Ethereal