KH2 icon.png
FM2 icon.png

Reaction Boost

From the Kingdom Hearts Wiki: A world of information not accessible by Gummiship
Jump to navigationJump to search

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 increases the power of Reaction Commands by 50%.


In Kingdom Hearts II, Reaction Boost is a support ability that costs 2 AP to equip.

Learning Reaction Boost[edit]

Kingdom Hearts II[edit]

Kingdom Hearts II Final Mix[edit]

  • Roxas learns Reaction Boost at the beginning of the Third Day in Critical Mode.
  • Sora learns Reaction Boost at level 15 with the Dream Sword, 23 with the Dream Shield, and 33 with the Dream Rod.
  • The Guardian Soul has Reaction Boost as its equipment ability.