Sword Art Online (2012)

S2E21 The Monument of Swordsmen

Asuna and the Sleeping Knights are in a fierce battle against the boss on Floor 27, but they soon discover that a specialized boss raid guild is watching their every move. Twenty members from this guild have positioned themselves to block the entrance to the boss room. With Kirito holding off the rest of the guild, will Asuna and her team manage to push through and claim victory?