Air Combo Boost (エアコンボアップ, Ea Konbo Appu?, lit. "Air Combo Up") is an ability that appears in Kingdom Hearts II and Kingdom Hearts III. It allows the user to deal greater damage with increasingly longer aerial combos.
In Kingdom Hearts III, Air Combo Boost is a support ability that costs 5 AP to equip. It increases the damage of each hit in an aerial combo by (number of hits) x 5%.
Learning Air Combo Boost
Kingdom Hearts II
Kingdom Hearts III