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How to Unlock Whirlwind Sword Skill | Echoes of Aincrad (SAO EoA)

How to Unlock Whirlwind Sword Skill | Echoes of Aincrad (SAO EoA)

Last Updated: July 21, 2026 at 1:39 PM
Table of Contents

Whirlwind Basic Information

Whirlwind
Weapon TypeTwo-Handed Axe icon
Two-Handed Axe
SP Cost100Cooldown65
DescriptionLunge your blade forward and then swing for a wide-sweeping Sword Strike all around you, continuously dealing 360 (+200% of ATK) damage.

Here is the basic information for the Whirlwind, showing its weapon type, SP Cost and Cooldown, description, and how to unlock it.

How to Unlock Whirlwind Sword Skill

sword skill levelling.jpg

Sword Skills, although being named as such, can be for different weapon types such as the rapier, dagger, and so on. Except for the defaults, you can unlock Sword Skills by simply increasing your weapon proficiency.

Whirlwind is unlocked by Two-Handed Axe Proficiency Lv. 4.

How to Increase Weapon Proficiency

Upon completion of the side quest, “Thrill of the Unknown,” you can increase your proficiency. You can then reallocate your Sword Skill points using your chest at the inn.

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