Combo Boost

Combo Boost (コンボアップ) is an ability which appears in Kingdom Hearts II and Kingdom Hearts 358/2 Days. In Kingdom Hearts II, it increases the damage of the ground finishing move based on the number of hits in the preceding combo, while in Kingdom Hearts 358/2 Days, it increases the damage inflicted by each hit as the combo continues. In Kingdom Hearts II, Combo Boost requires 3 AP to equip.

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.

Kingdom Hearts II Final Mix

 * 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