Watch Sword Art Online 05 〈Best〉

Kirito and Asuna team up to solve the mystery, identifying several key pieces of evidence:

: Appraised by Agil as the " Guilty Thorn ," a weapon crafted by a player named Grimlock .

Murder in the Safe Zone - Sword Art Online Episode 5 Reaction Watch Sword Art Online 05

The episode ends on a cliffhanger when Yolko is struck by a dagger in her back, suggesting the killer is still active and targeting the remaining guild members.

The episode begins in , finding Kirito and Asuna —now the vice-commander of the Knights of the Blood —taking a break from the front lines. Their peaceful afternoon is shattered by a scream at an inn on the 57th Floor , Marten. Kirito and Asuna team up to solve the

: They interview Yolko , a witness who reveals she and Caynz were former members of the defunct " Golden Apple " guild.

They discover a player named hanging from a church bell tower, impaled by a spear. Within seconds, Caynz shatters into blue polygons, signaling his permanent death. This event is seemingly impossible because they are within a Safe Zone , where the "Anti-Criminal Code Effect Area" should prevent all HP-reducing damage unless a duel is accepted. The Investigation Their peaceful afternoon is shattered by a scream

Beyond the mystery, the episode highlights the evolving dynamic between the lead characters. Originally clashing over whether to sacrifice NPCs to defeat bosses, they find common ground during the investigation. The story also explores the psychological toll of the game; characters like , another former Golden Apple member, live in constant fear of retribution for past events.