During the War of Underworld, Kirito and his comrades face the Reaper army that threatens the virtual realm. The battle escalates when the Reapers unleash their full power, forcing Kirito to rally his friends and allies. With support from Asuna, Leafa, and the Knights of the Blood, Kirito engages in a series of intense duels across various arenas. The climax arrives when the Reapers reveal their true leader, a formidable entity that challenges Kirito"s resolve. Despite overwhelming odds, the heroes employ coordinated strategies and powerful skills to weaken the enemy forces. Asuna"s unwavering determination inspires the group, while Leafa"s tactical brilliance provides critical advantages. Kirito ultimately confronts the Reaper leader in a decisive showdown, leveraging his experience and newfound abilities. The battle concludes with a hard‑won victory that secures the safety of the Underworld and restores peace to the game world. The episode highlights themes of friendship, sacrifice, and perseverance, underscoring Kirito"s growth as a warrior.
