Reaction Boost

Reaction Boost (リアクションアップ) is an ability that appears in Kingdom Hearts II. It increases the power of Reaction Commands by 50%.

Mechanics
In Kingdom Hearts II, Reaction Boost is a that costs 2  to equip.

Kingdom Hearts II

 * 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.

Kingdom Hearts II Final Mix

 * 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.