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

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

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

Cascade Basic Information

Cascade
Weapon TypeTwo-Handed Sword icon
Two-Handed Sword
SP Cost70Cooldown60
DescriptionLaunch a vertical, slashing, mid-range Severing Attack dealing 300 (+200% of ATK) damage. Press and hold the attack button to increase the range and deal 920 (+250% of ATK) damage.

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

How to Unlock Cascade 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.

Cascade is unlocked by Two-Handed Sword Proficiency Lv. 3.

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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