: The episode begins with a flashback to September 2025. While exploring a dungeon alone, Sinon accidentally falls into a trap room with a high-level boss. Realizing she is just outside its attack range, she patiently snipes its weak point for three hours, eventually defeating it and earning her signature weapon: the PGM Ultima Ratio Hecate II sniper rifle.
: The episode briefly cuts to Kirito and Asuna in ALfheim Online (ALO). Kirito eventually pulls Asuna aside to reveal his plan to convert his account to GGO to investigate the recent "Death Gun" incidents. Key Concepts & World Building Sword Art Online II (Dub) Episode 2
: The ambush goes awry when a mysterious cloaked player, Behemoth , reveals himself to be a hired bodyguard armed with a massive GE M134 Minigun . Behemoth's overwhelming firepower decimates Dyne's squad, leaving Sinon as the sole survivor. : The episode begins with a flashback to September 2025
Watch Sinon's introduction and her high-stakes battle against Behemoth in this episode review: : The episode briefly cuts to Kirito and
: Despite the odds and losing a leg in the virtual battle, Sinon lures Behemoth into a trap. She leaps from a high vantage point, entering his "blind spot" directly above him, and delivers a spectacular mid-air headshot to win the fight.
: In the present (December 2025), Sinon is part of a PvP (Player vs. Player) squadron led by Dyne . They are lying in wait to ambush a "Mob hunting" group in the Wastelands.