: The episode opens with a high-profile duel between Kirito and Heathcliff, leader of the Knights of the Blood Oath. The stakes are high: if Kirito loses, he must join the guild. Despite nearly landing a winning blow, Kirito is defeated by Heathcliff’s seemingly impossible speed—a hint at the leader's "Holy Sword" unique skill.
: Now a guild member, Kirito is sent on a training mission with Godfrey and the suspicious Kuradeel. Kuradeel reveals his true colors by poisoning their water with paralysis, then brutally killing Godfrey. Sword Art Online (Dub) Episode 10
[Spoilers] [Rewatch] Sword Art Online - Episode 10 : r/anime : The episode opens with a high-profile duel