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I was rewatching Sword Art Online and I notice that Heathcliff KILLS him and yet, he is able to come back and finish off Heathcliff, how is this so?

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3 Answers 3

up vote 19 down vote accepted

Logically, there is a delay in between the death flag being detected and the NerveGear frying the brain, which is explain by how a Revival Item (Divine Stone of Returning Soul) can be used within 10 seconds of a player's death.

However, as for how Kirito, whose HP was 0 but was still able to affect Heathcliff, was explained by Kayaba Akihiko when he congratulated Kirito for doing something that went beyond the system by using the power of the human will. This concept is reasserted when Kayaba appears before Kirito in ALO and reminds Kirito about how he acknowledged this.

It's more of an anomaly rather than any sort of plot hole. In essence, Kirito shouldn't have been able to do anything when his HP reached 0, but he was still determined to end the game because Asuna believed he would end the game for her sake. That determination allowed him to transcend SAO's rules.

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Thanks nhahtdh for correcting the revival item time –  Memor-X Jul 24 '14 at 2:41
I believe fridge logic dictates that the NerveGear doesn't start doing damage to a person until at least after 10 seconds of a player being dead. It may even be longer--- as this isn't explored from outside the game. In the terms of physiology, the easiest way for the NerveGear to kill someone is simply to shutdown their heart. This would lead to a user's death. Indeed, thinking about it for a few seconds, this is the likely cause of death. User dies in hardcore, gets "dumped" from the game, but not logged out properly. Thus, the gear doesn't "unhook" from the nervous system, just shuts down. –  StarPilot Aug 12 '14 at 3:27

Kirito didn't come back to life. The whole "You are dead" and then scattering to pieces, and then coming back to life was the anime's dramatization. It was never like that. It was simply there to say that Kirito's mind had accepted death. However, Kirito had not died in real life yet, and he had a sudden burst of will and resolution to live, by which he then altered the game's so called "rules". This is not a bug, it is simply because the virtual world they lived in was, well, virtual. In a way, it's simply an image projected by the brain, and is supported by a system. Because he had a strong resolution, he was able to defeat the game's rules just in time to defeat Heathcliff.

However, this is not the end of it all. Asuna's died way before this happened. To explain why she was able to survive: Heathcliff had turned off the system's mechanism of killing a person in real life by frying the brain upon in-game death, which was an in-game module, right before the duel started. Thus, even though Asuna had died in-game, she was not killed in real life because Kayaba had disabled the module that fries the brain. The area they were in at the end was neither an imagination, a dream, nor any kind of afterlife. It was a special area Kayaba created in order to talk to Kirito after the duel. Whether he had won or not, Kirito would meet Kayaba in that area

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What Kayaba turned off is not the brain microwave. It was his Game Master protection where his HP would not fall below 50%. The reason why Asuna didn't die despite her HP reaching 0 is because Kayaba promised Kirito of Asuna's safety, that is, he will prevent her from committing suicide. Covering Kirito from attack counts as a suicidal move. –  Sakurai Tomoko Jun 15 at 8:04

Kirito need to live on was great enough to where he could mentally hack the game sort of so he delayed the deleting proses long enough for him to kill Kayaba. Also because of Kayaba being defeated, he did not have to hold on any longer he was already safe. Also to correct what another said, Asuna did not die because the creator of Alfhiem Online spent a long time gathering her very essence and sending her to his game before the Nervegear fried her and was under his control.

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Human's will overcoming the limitation of the system is the theme in the final battle of Aincard and Alfheim arcs. And Kayaba seems to be a person who would keep his promise:… –  nhahtdh Mar 22 at 7:34

protected by nhahtdh Mar 23 at 1:59

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