Original Sword Skill

Original Sword Skill, abbreviated as OSS, is a system introduced in ALfheim Online which allows the player to create a sword skill of their own, the downside being that such skill is only accepted by the system depending of the speed, combo and final hit of the skill.

Known OSS

 * Volcanic Blazer: 8-hit - This OSS is created by Salamander General Eugene. It is known to be the strongest OSS.
 * Mother Rosario: 11-hit - This OSS is created by Absolute Sword Yuuki's.
 * Starry Tear: 5-hit - This OSS is created by Asuna.