This article is about the ability. You may be looking for the Keychain.

Ultima Weapon (アルテマウェポン Arutema Wepon?) is an ability which appears in Kingdom Hearts 358/2 Days. It takes the form of an Ability Panel. It raises the Strength of the user's equipped weapon. If the weapon has a base Strength of less than or equal to +85, its bonus will raise that to +100. For example, if its base Strength is greater than +85, the bonus will be +15. This applies both to weapons equipped through Gears and to Gear-less weapons.

Learning Ultima Weapon

Kingdom Hearts 358/2 Days

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