Kayaba Akihiko (茅場晶彦) is the development director and Game Master (GM) of the VRMMORPG Sword Art Online. The designer of the NerveGear, the Cardinal System, and the World Seed.

Given Name: Alice Family Name: Zuberg Gender: Female Birthday: 9/4/361 HEC Voice Actors: Matsuoka Yoshitsugu [松岡 禎丞] (Japanese), Bryce Papenbrook (English)

Given Name: Asuna [明日奈] Family Name: Yuuki [結城] Alias: Asuna [アスナ] Gender: Female Height: 168cm Voice Actors: Tomatsu Haruka [戸松遥] (Japanese), Cherami Leigh (Engilsh)

Given Name: Eugeo Gender: Male Birthday: 10/4/361 HEC Voice Actors: Shimazaki Nobunaga [島﨑 信長] (Japanese), Brandon Winckler (English)

Gabriel Miller, known as Subtilizer in Gun Gale Online and Project Alicization 1/4(PA), and as an antagonist Vecta in PA for a time, is the chief tactical officer of Glowgen Defense Systems, and child of the company former president and founder. In GGO, he was the victor of the 1...

Kashiwazaka Hiyori, known as Lux in Sword Art Online and ALfheim Online, as well as Kuro in ALO for a time, is a main character in the Girls Ops spin-off. She was a SAO survivor, and her best friend, Rossa, had died there.

Given Name: Karen [香蓮] Family Name: Kohiruimaki [小比類巻] Alias: LLENN [レン] Gender: Female Birthday: 20th April, 2006 Height: 183cm Voice Actors: Tomori Kusunoki [楠木 ともり] (Japanese), Reba Buhr (English)

Given Name: Kazuto [和人] Family Name: Kirigaya [桐ヶ谷] Alias: Kirito [キリト] Gender: Male Birthday: October 7th, 2008 Height: 172cm Voice Actors: Matsuoka Yoshitsugu [松岡 禎丞] (Japanese), Bryce Papenbrook (English)

Given Name: Keiko [珪子] Family Name: Ayano [綾野] Alias: Silica [シリカ] Gender: Female Birthday: October 4th, 2010 Height: <<Unknown>> Voice Actors: Rina Hidaka [日高 里菜] (Japanese), Christine Marie Cabanos (English)

Konno Yuki, registered as Yuuki in Serene Garden, Asuka Empire, Insect Site, and ALfheim Online, was a main character in the Mother's Rosario side story, and the main character of the Sisters' Prayer side story in Sword Art Online series.

Sugou Nobuyuki, also known in ALfheim Online as Oberon is the main antagonist of the Fairy Dance Arc 1/2. In addition to being Asuna's ex-fiance, he was also the chief of the research institute of RCT Inc., RCT Progress.

Quinella, also known as Administrator, was the Axiom Church head, the tyrant of the Human Empire in Underworld, and the main antagonist of the first half of Alicization Arc 1/2.

Quinella, also known as Administrator, was the Axiom Church head, the tyrant of the Human Empire in Underworld, and the main antagonist of the first half of Alicization Arc 1/2.

Tsuboi Ryoutarou, known as Klein in Sword Art Online, ALfheim Online, and Project Alicization 1/4, is a supporting character in the Aincrad Arc who later appears through the SAO series. One of the SAO Survivors, and the Fūrinkazan (WWFM) clearing guild leader.

Nagata Shin'ichi, known as Recon in ALfheim Online, is a Sylph player, Kirigaya Suguha's classmate and friend who has introduced her to the game.

Given Name: Shino [朝田] Family Name: Asada [詩乃] Alias: Sinon [シノン] Gender: Female Birthday: August 21st, 2009 Height: 161cm Voice Actors: Sawashiro Miyuki [沢城みゆき] (Japanese), Michelle Ruff (English)

Shinozaki Rika, known as Lisbeth in Sword Art Online, ALfheim Online, and Project Alicization, is a main character in the Girls Ops spin-off and a reoccurring character in the entire series. A blacksmith in SAO and ALO.

Kirigaya Suguha, known as Leafa in ALfheim Online and Project Alicization, as well as, temporarily Terraria (テラリア) in PA, is Kirigaya Kazuto's cousin and adoptive sister who lives together with him. She appears throughout the canon Sword Art Online series, is a main character...

Yui (ユイ) is a Mental Health Counceling Program AI (handle "Yui-MHCP001") generated by the Cardinal System of the VRMMORPG Sword Art Online to monitor and assist with the players' emotional state as they play. Encountered by Kirito and Asuna on the Floor 22 of Aincra...

The Aincrad Arc is the first story arc of the Sword Art Online series. It covers the journey of Kirito within the VRMMOPRG Sword Art Online. In terms of the Sword Art Online timeline, the events of the Aincrad Arc take place between November 6, 2022, and November 7, 2024. The eve...

The Aincrad Arc is the first story arc of the Sword Art Online series. It covers the journey of Kirito within the VRMMOPRG Sword Art Online. In terms of the Sword Art Online timeline, the events of the Aincrad Arc take place between November 6, 2022, and November 7, 2024. The eve...

Alicization is the 4th main Arc in the Sword Art Online series, spanning from June 26, 2026 and up to August so far, which corresponds to the light novel Volumes 009 to 018. It describes events related to Project Alicization 1/4, the Soul Translator (STL) gear, the simulated quan...

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Calibur is a side story in the Sword Art Online series, set between the events of Phantom Bullet and Alicization arcs. All based within December 28th 2025, the story is one of several stories published within Volume 08 of the Light Novel series, as well as an addititional Light N...

The second arc in the canon Sword Art Online series that covers the events during Kirito's adventures in ALfheim Online, spanning between January 19 and May 17, 2025, which corresponds to the novel volumes 3 and 4, or the latter half of the anime's first season.

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Mother's Rosario is a side story of Asuna and Konno Yuuki set in the new ALfheim Online hosted by Ymir. It covers January 6 to April 4, 2026, corresponding to the Sword Art Online novel Volume 7, manga Mother's Rosario, and Season 2 Episodes 18 to 24 of the anime.

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Phantom Bullet is the 3rd Arc in the Sword Art Online series. It covers the Gun Gale Online-related events occurring between November 9 and December 6, 2025, which corresponds to the SAO novel's Volumes 5 and 6, the Phantom Bullet manga, and episodes 1 to 14.5 of the anime...

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Sword Art Online: Fatal Bullet is a third-person action game based on the Sword Art Online light novel series for the PlayStation 4, Xbox One, Nintendo Switch and Windows PC. It was released initially on the PlayStation 4, Xbox One and Windows PC on February 23, 2018. The Nintend...

Sword Art Online: Hollow Fragment is the second role-playing game adaptation of SAO series released by Namco Bandai Games (Re: HF).

Sword Art Online: Hollow Realization is a role-playing game based on the [Sword Art Online light novel series] for the PlayStation 4, PlayStation Vita, Nintendo Switch and Windows PC. It was released for Playsation 4 and the PS Vita on October 27, 2016 in Japan and on November 8,...

Sword Art Online: Infinity Moment is a role-playing game for the PlayStation Portable, and is based on the Sword Art Online light novel series. It was released in Japan on March 14, 2013, and recieved a North American release bundled with its sequel Sword Art Online: Hollow Fragm...

Sword Art Online: Lost Song is an action role-playing game that is based on the Sword Art Online light novel series. It was released for the PlayStation 3, Playstation Vita, PlayStation 4 and Microsoft Windows platforms. In Japan, it was released on March 26, 2015. It launched ac...

Sword Art Online: Memory Defrag is a free-to-play side-scrolling RPG with a character collection element, often referred to as Gacha games. It was released on August 28, 2016 for Apple iOS and Android devices by Bandai Namco Entertainment.

Accel World vs. Sword Art Online: Millennium Twilight is an action role-playing game based on the Accel World and [Sword Art Onlkone light novel] series. It was released for the PlayStation 4 and PlayStation Vita on March 16, 2017 for Japan, and July 7, 2017 for other territories...

Members: * Shinkawa Shouichi [新川 昌一]/ Sterben [ステルベン] * Shinkawa Kyouji [新川 恭二] / Spiegel [シュピーゲル] * Kanamoto Atsuishi [金本 敦] / Johnny Black [ジョニーブラック]

Integrity Knights (整合騎士 seigō kishi), designated on the system level as Integrator (インテグレータ integurēta), are dragon knights, the commanding generals of the Axiom Church and the personal guard of its pontifex Quinella. They are former dissidents, rogues, and the crema-de-la-crema ...

A Guild is a game engine-managed group of players in MMO games with a structure, a leader, and usually clearly set goals. Known Sword Art Online series worlds that have guilds are SAO, ALfheim Online, and Gun Gale Online (these are called Squadrons). There can be any number of gu...

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Aincrad, and New Aincrad, is the setting of the VRMMORPGs Sword Art Online (SAO) and ALfheim Online (ALO). It gets it's name from a concept called An Incarnating Radius and is an abbreviation of that concept.

ALfheim is the name given to the original continent in the VRMMORPG ALfheim Online (ALO). It's name and origin can be traced from Norse mythology, where it is known as "Land of the Elves."

The Central Cathedral, officially known as Axiom Church Central Cathedral (公理教会セントラル・カセドラル kōrikyōkai sentoraru kasedoraru) is the ancient and enormous tower of white marble exactly in the center of Centoria and the Human Empire of Underworld. Home to Administrator and her cohort...

The North Centoria Imperial Sword Mastery Academy (修剣学院 shūken gakuin) in Underworld is the most renowned fighting academy of Norlangarth Empire, and it is assumed the other three empires have their own in the other sides of Centoria. Only a fifth of its students are common peopl...

This article details the particularities of Underworld. For the background and behind-the-scenes details, please refer to Project Alicization 1/4.

This article details the particularities of Underworld. For the background and behind-the-scenes details, please refer to Project Alicization 1/4.