Sword Art Online Ii: Debriefing -

It recaps the tournament where Kirito and Sinon eventually team up to identify and defeat the assassin.

Kirito is sent into GGO to investigate a player named "Death Gun," who has the ability to kill people in the real world by killing their avatars in-game. Sword Art Online II: Debriefing

(also known as Episode 14.5) is a special recap episode that aired on October 11, 2014, serving as a bridge between the first and second halves of the Sword Art Online II anime. It recaps the tournament where Kirito and Sinon

The recap concludes with the defeat of Death Gun and the foiling of his real-world accomplice, Shinkawa Kyōji (Spiegel). Technical Details Sword Art Online II: Debriefing

[Spoilers] Sword Art Online II: Debriefing - Recap 1 [Discussion]