Sword Art Online Episode 14

The End of the World (世界の終焉)is the fourteenth episode of the Sword Art Online and the last episode of the Aincrad Arc. It aired on October 6, 2012.

Plot
Kirito and the others continue fighting, until Heathcliff notices that the boss' life is about to stinguish, so he tells everyone to attack, and after a fierce battle, they finally defeat The Skull Reaper.

Everyone is exhaust from the battle, Kirito informs Klein that 14 players died, and they start doubting about completing the remaining 25 floors. That's when Kirito notices that Heathcliff is just standing without any sign of fatigue form the battle, he remembers their duel, and suddenly attacks Heathcliff, but just before the sword impacts his body, the Inmortal Object sign appear, then Kirito explains that his life won't drop to the yellow area because the system won't allow it because he's Kayaba Akihiko. Kayaba asks how he discovered it, to what Kirito explains that it was from their duel, Kayaba admits Kirito had him cornered and activated the system over-asist to win, although he knew it was a bad idea. One of the Knights of the Blood attack him in frustration, but Kayaba paralizes everybody except Kirito, then he explains his plan of becoming the last boss of the game, and that he wanted Kirito to fight against him, but he exceded his expectatives, so that he'll be waiting in the Ruby Castle at the 100th floor for their fight, but just before leaving he decides to give Kirito a prize for dicovering his idendity, a duel, if Kirito wins, everybody will be free, Kirito accepts.

Kayaba removes his inmortalty and they start the duel, both figh at extreme speed, and Kirito starts cornering Kayaba, but in a moment, he loses his focus and activates a sword skill, Kayaba easily defended each and every strike, he even breaks the Dark Repulser, and when he's about to deal the finishing blow, Asuna jumps between them and is killed. In the frustration of losing Asuna, Kirito is unable to fight, Kayaba easily sends his Elucidator flying and stabs Kirito, but in the moment his life drops to zero he stabs Kayaba and both dissapear in polygons.

Kirito then appears in the sky outside Aincrad, where Asuna also appears and they watch how Aincrad is being destroyed, Kayaba appears and tells them about his dream of creating Aincrad and that all the players alive were logged out safely, but the others died already. He congratulates Kirito and Asuna for clearing the game and dissapears. Kirito and Asuna tell each other their real names as they see the last of Aincrad dissappearing.

Inventory

 * Kirito
 * Elucidator
 * Dark Repulser
 * Asuna
 * Lambent Light
 * Heathcliff
 * Liberator