Warning Spoiler Alert: This article or section contains details about plotlines not covered in the anime. Do not proceed unless you wish to be spoiled.

Welcome to the Sword Art Online Wiki
This wiki covers the Sword Art Online light novels and related media.

«Wiki Announcement»

Sword Art Online Alicization Anime 4th Cour Key Visual

The new key visual

In the latest news, Sword Art Online Alicization -War of Underworld-, the second half of the Alicization anime premiered on October 12, 2019. The final cour of the anime will begin airing as of April 25, 2020 weekly on Saturdays at 24:00 JST (15:00 UTC) in Japan, with English subs becoming available on official streaming sites 1.5 hours later. The opening theme for the last cour is confirmed to be ANIMA by ReoNa. The final cour will be aired in spring and consist of 11 episodes, for a total of 23 episodes for the second half of Alicization and 47 episodes for the entire season. The anime is directed by Ono Manabu.

Additionally, the latest installment in the SAO gameverse, Sword Art Online Alicization Lycoris, is slated for released on May 21, 2020. The opening theme for the game will be Scar/let by ReoNa. A nearly 5 minute long trailer for the game was released during a Lycoris livestream on February 12, 2020, commemorating the announcement of the game's opening theme. The game also has a manga adaptation that began serialisation ahead of the game's release on the Dengeki PlayStation Magazine's appendix, DenPlay Comics, as of December 28, 2019.

Sword Art Online Alicization Lycoris Extended Trailer SAO Wikia Translation

Sword Art Online Alicization Lycoris Extended Trailer SAO Wikia Translation

The new long trailer for Alicization Lycoris with English subs

In other news, a manga adaptation of Sword Art Online's volume 22, Kiss and Fly, has been announced. The first story in the collection, The Day Before, was released on September 27, 2019 on volume 9 of the Sword Art Online Magazine. The first tankoubon volume of the manga, which covers The Day Before, The Day After, and half of Rainbow Bridge, will be released on March 10, 2020.

In older news, the what-if Alicization story titled "If You Were Here" has received a continuation, titled "If You Wish It", which was released with the second Alicization War of Underworld BD/DVD on January 29, 2020. This saga tells the tale of what would have happened if Eugeo and Kirito had not broken the Taboo Index at the academy.


A huge castle made of stone and steel floating in an endless sky. That was all this world was.

It took a vagarious group of craftsmen one month to survey the place; the diameter of the base floor was about 10 kilometers — large enough to fit the entirety of Setagaya-ku within. Above, there were 100 floors stacking straight upwards; its sheer size was unbelievable. It was impossible to even guess how much data it consisted of.

Inside, there were a couple of large cities along with countless small scale towns and villages, forests and plains, and even lakes. Only one stairway linked each floor to another, and the stairways existed in dungeons where large numbers of monsters roamed; so discovering and getting through was no easy matter. However, once someone made a breakthrough and arrived at a city of the upper floor, the «Teleport Gates» there and of every cities in the lower floors would be connected making it possible for anyone to move freely through these levels.

With these conditions, the huge castle had been steadily conquered for two years. The current front line is the 74th floor.

The name of the castle was «Aincrad», a world of battles with swords that continued floating and had engulfed approximately six thousand people. Otherwise known as...

«Sword Art Online».

«Featured Article»

Ocean Turtle

The «Ocean Turtle» (オーシャン・タートル, Ōshan Tātoru?) is a mega-float located in the Pacific Ocean, at a place near Izu Islands about 250 kilometres away from Tokyo, that is run by Rath and acts as a government research facility for «Project Alicization», an effort to create a highly adaptive Artificial Intelligence.

(Read More...)

«Helping Out»

Feel free to contribute to the wiki, just remember the following:

  • Light Novels take precedence over other forms of media.
Novels & Material Editions > Anime > Manga > Other
  • For people who want to upload images, please read our Image Guideline first.
  • If you are uploading light novel or manga screenshots please include page and volume number in the title.
  • Fan content (including fan art, fan fics etc.) is not to be used in the content of official pages. However, they may be freely used on personal user pages or blogs, so long as the Unofficial Image and Personal Photo categories are added to any unofficial image.
  • Do not forget to add appropriate categories to any page you might be creating.
  • Be articulate.
  • Remember to use {{Nihongo}} for names and terms.
  • Always add appropriate infoboxes when creating articles.
  • If you use content from other websites, it is best to obtain permission. We do not want angry villagers with torches and pitch-forks.
  • A page can only be linked once per article. The first mention should be linked to the said article. For example, the first mention of Kirito in an article should be linked, while the second mention of Kirito shouldn't be.
  • For the full list of SAO names see Official Naming, here is a common used name list
    • Kirito
    • Asuna
    • Klein
    • Agil
    • Lisbeth
    • Silica
    • Kuradeel
    • Leafa
    • Heathcliff
    • Sinon
  • Additionally, if you are looking for work on the wiki, check out our community page for some useful links and suggestions on what to work on.
  • If you ever encounter an issue that you as an editor can not fix, the Admin Support may be able to address your problems. Just contact one of our admins through the convenient threads already in place.

«Franchise News»

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What SAO spin-off would you like to get an anime for next?

The poll was created at 18:28 on August 12, 2019, and so far 991 people voted.



«Other Languages»

«Latest Episode»

The Human Empire decoy force witnessing Solus's descent - S3E36
Alicization Episode 36 - Ray of Light
Released December 28, 2019

«Latest Novel»


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