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Summary Edit

A coloured illustration on page 8 of Sword Art Online Volume 07.

Latest image source: Ruranobe

Original image source: Gsimenas


Sword Art Online Volume 07, Yen Press releaseEdit


Officially known as "Original Sword Skills" (OSS). For the various kinds of weapons that were implemented into ALfheim Online, this is a new system of attacking. It's an updated version of the Sword Skills from the old Sword Art Online.

The difference between OSS and the former SAO's Sword Skill tree is that, rather than basing everything on the ability to hit predetermined stances and motions, the player himself can create and register his own skills. However, because the system demands that players achieve their combos at physically impossible speeds without any system assistance (a paradoxically difficult task), only a handful of players have ever succeeded in creating and utilizing their own OSS.

However, the Original Sword Skill system has a feature called "skill inheritance". Those who have successfully created a skill can fashion a single-generation copy of that skill in form of a "Skill Tome", which allows another player to learn and use that OSS. Because creating an OSS is so difficult, these Skill Tomes are among the priciest and rarest of items in ALO - particularly the Tomes for combos that include over five hits.


This file is copyrighted. It will be used in a way that qualifies as fair use under US copyright law.

Appears on these pages

  • Original Sword Skill

    The Original Sword Skill (オリジナル・ソードスキル, Orijinaru Sōdo Sukiru, abbreviated as OSS) system is a...

  • Sword Art Online Light Novel Volume 07

    Mother's Rosario (マザーズ・ロザリオ, Mazāzu Rozario) is the 7th book in the Sword Art Online light novel...

File history

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current19:40, June 11, 2016Thumbnail for version as of 19:40, June 11, 20161,120 × 1,600 (1.32 MB)Mamue (wall | contribs)ebook image
13:42, May 21, 2013Thumbnail for version as of 13:42, May 21, 2013826 × 1,200 (997 KB)Gsimenas (wall | contribs)

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