Combo Boost

Combo Boost (コンボアップ) is an ability that appears in Kingdom Hearts II and Kingdom Hearts 358/2 Days. It allows the user to deal greater damage with increasingly longer attack combos.

Mechanics
In Kingdom Hearts II, Combo Boost is a that increases the damage of a finishing move on the ground relative to the number of hits in the preceding combo. It costs 3 to equip, 5 AP in Kingdom Hearts II Final Mix.

In Kingdom Hearts 358/2 Days, Combo Boost is an that increases the damage inflicted by each hit as the combo continues.

Kingdom Hearts II

 * Sora learns Combo Boost at level 7 with the Dream Sword, 9 with the Dream Shield, and 17 with the Dream Rod.
 * The Decisive Pumpkin has Combo Boost as its Equipment Ability.

Rings with Combo Boost

 * Soldier Ring