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In the Sword Art Online anime, we see Kirito enter Alfheim Online first in
episode 16. Although he is supposed to enter the Spriggan base when he first
arrives, he instead encounters something like a glitch and ends up in a
forest. Is there any explanation in the anime or light novels for why this
happened? I don't recall it being mentioned in any of the later anime
episodes.

![Black pixels forming over an image of the
town.](https://i.stack.imgur.com/5KXos.jpg)

![Kirito falls into the forest.](https://i.stack.imgur.com/0eyDT.png)

Note: from a plot point of view it's somewhat necessary that this happens
since it gives him a way to meet Leafa, but this still doesn't really explain
why this happens purely within the context of the SAO continuity.

In case it isn't clear from my wording and the inclusion of the first image, I
am asking why Kirito ends up in the forest _after_ some sort of glitch appears
while he is travelling to the Spriggan base (where he was supposed to go
initially). The accepted answer here gives the best explanation for why that's
the case.


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2014-03-07T08:42:58.293
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sword-art-online
Why does Kirito end up in the forest when he first enters Alfheim?


From _Sword Art Online Volume 3 - Fairy Dance, Chapter 2_ (emphasis mine):

> "[...]. Yggdrasil...she seems to be there. That place, you know it?"
>
> "Ah, this I know. Eh, eh, it's generally to the northeast, but quite a ways
> from here. If I were to convert it into real distance, it would be about
> fifty kilometers away."
>
> "Wow, that really is a long distance. That’s what, five times the diameter
> of Aincrad. Actually, why was I brought to this forest anyway?"
>
> Yui lowered her head for a moment at my question.
>
> "I think that **your positional data was either damaged or confused with a
> nearby player** , resulting in you ending up here. That’s just a guess,
> though."

In the screenshot, the pyramid like structure is the signature building of the
Spriggan hometown. The blocky void above it is the glitch that "teleports"
Kirito to the forest.

Yui raised two possibilities for the glitch:

  1. **Kirito's positional data was damaged**

Since Kirito and Asuna was teleported to the sky outside Aincrad in SAO
moments before the game shut down, and Kirito's character data from SAO was
loaded in ALO, chances are that the positional data was also loaded, which
sent him on a free fall nosediving trip into the forest 50 kilometers away
from Yggdrasil.

While this matches the fact that ALO's map is much bigger than SAO (as seen in
the above quote), it was quite a miracle that Kirito dropped right at the
forest where Leafa was. As the map in ALO is much bigger, he might as well had
ended up elsewhere in ALO.

  2. **Kirito's positional data was confused with a nearby player**

Since Kirito and Suguha were accessing the game from the same IP address
(which is quite common for IPv4 in real world), Kirito's positional data got
glitched up and he was dropped in the forest where Suguha (Leafa) was, instead
of the hometown of the Spriggan. The fact that he fell from the sky matches
the fact that Leafa was having a mid-air fight.

I admit this is a bit stretching, but this is the closest I could relate a
real life concept with the theory above to explain the proximity of Kirito and
Leafa's position in the game and the timing when the glitch happened.

(Either way, I take it as an excuse for the story instead of general
knowledge).


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There was never an explanation in the novel, as far as I could remember.
However, everything about SAO indicates that player data is saved locally
(like how Kirito said he saved Yui to his NerveGear's storage, which somehow
put her in his inventory when he got into ALO). Additionally, the fact that
ALO used SAO's source would explain why ALO might become confused, and load in
Kirito's previous data from SAO.

To some extent, this makes sense in the context of SAO. Saving the data on a
remote database would possibly allow "others" to tamper with it, and possibly
alter player stats, one way or another. My guess is, this means ALO's player
data is also saved client-side. You could reason that this is because ALO's
programmers were stupid (Look at how ALO makes use of "GM Pass cards" and 12
digit (wut?) number pads, for things that are supposedly very important).
However, I doubt Kawahara really thought that far ahead.


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2014-03-12T05:34:22.663
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The worlds work basically the same. So where he was in that SOA technically
his location mapped over to that worlds map location. that is why he dropped
out of the sky that way and retained all his data. His local x,y position was
where he started. He has special data since he has Yui's data written into his
local. So that data overwrote the starting default for users.


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Speculation: Yui's item was in Asuna's sotrage, in that she was wearing it on
her person in the final fight with 'Heathcliff'. We know that the storage
between married characters is shared, so when her avatar dies in SAO Kirito
would gain all her storage and inventory items (also a possible reason why he
uses her sword to fight with when his second breaks, it was in his inventory).

Since we know that neither Kirito or Asuna die (IRL) and ALO's data was a
merger of SAO's client I think it would be possible that the data link between
them was having an effect on Kirito's inital spawn location, in that he was
being spawned in her area, the Tree of Life. However, due to the admin rights
and lock downs by RECT the system overrode this link and force spawned him out
of the Tree of Life. Since the IP was linked with two VR devices (Leafa and
Kirito) his new spawn area was generated from her world position.

(Sorry for the lack of references, my comptuer's restricted on some sites
right now)


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What I think happened is that since ALO is made off of SAO, and the place you
log off in ALO is the place you stay unless in a safe spot or a hut, and the
SAO game ended with him in the boss room that maybe the place he got moved to
is the same spot he was last in at SAO.


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