«Cyclone» (サイクロン, Saikuron?), also known as «Whirling Current» (輪渦(リンカ), Rinka?) in Underworld, is a 1-hit Two-handed Straight Sword category Sword Skill in Sword Art Online, New ALfheim Online and Project Alicization.


«Cyclone» is activated by the user holding their sword with both hands at the right of their waist. The skill is a two-handed spinning sword slash that consists of a single upwards diagonal slash from right to left with two hands holding the sword.


Instance Description
Light Novel Anime Manga
Volume 10, Chapter 4, Part 1 Alicization Episode 07 Sortiliena Serlut used the skill in her training with Kirito.
Volume 10, Chapter 4, Part 6 Alicization Episode 08 Sortiliena used the skill to defeat Volo Levantein in their graduation match.
Volume 11, Chapter 5 Alicization Episode 10 Kirito used the skill to counter Raios Antinous's Avalanche and sever his arms.


  • Although the skill is a one-hit skill, if used against Avalanche properly, the skill can be deflected in a way that the sword returns to its original location, causing the skill to reactivate and thus create a second hit.


Skills and Magic
Default Sword Skills
mostly common in SAO, New ALO, UW
Avalanche - Cyclone - Deadly Sins - Embracer - Explode Arrow[1] - Fell Crescent - Flashing Penetrator - Horizontal - Horizontal Arc - Horizontal Square - Howling Octave[2] - Lightning Fall - Linear - Meteor Break - Meteor Fall - Rage Spike - Reaver - Savage Fulcrum - Senda - Sharp Nail - Single Shot - Slant - Snake Bite - Sonic Leap - Spinning Shield - Star Splash[2] - Starburst Stream[3] - Treble Scythe - Tsumujiguruma - Tsujikaze - Ukifune - Vertical - Vertical Arc - Vertical Square - Vorpal Strike - Whirlwind
SAO Dual Blades - Extra Skills - Fishing - Hiding - Holy Sword - Searching - Sewing - Tracking - Unique Skills
ALO Original Sword Skill(Mother's Rosario (OSS))
Magic Butterfly Shield - Cold resistance spell - Concealment - Earth Wall - Fireball - Fire Spear - Healing Magic - Hit Point Buff Magic - Hollow Body - Ice Arrows - Metamorphosis - Moonlight Mirror - Night Vision - Purified Surface - Retrieve Arrow - Sacrifice - Searcher - Smokescreen - Strength Buff Magic - Vacuum Blades - Water Breathing - Wind Needles
Project Alicization Sacred Arts - Incarnation - Synthesis Ritual
  1. Only in ALO.
  2. 2.0 2.1 Only in SAO and ALO
  3. Only in SAO
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