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Reaction Boost

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Reaction Boost (リアクションアップ Riakushon Appu?, lit. "Reaction Up") is an ability that appears in Kingdom Hearts II. It allows the user to deal more damage with Reaction Commands.


In Kingdom Hearts II, Reaction Boost is a support ability that costs 2 AP to equip. It multiplies the damage dealt with Reaction Commands and Jump by 1.5 (2 when 2 copies are equipped). It has no effect on Limits.

Learning Reaction Boost[edit]

Kingdom Hearts II[edit]