Reprisal Boost (カウンターアップ Kauntā Appu , lit. "Counter Up") is an ability that appears in Kingdom Hearts III. It allows the user to deal greater damage with reprisal abilities.
In Kingdom Hearts III, Reprisal Boost is a support ability that costs 3 AP to equip. It increases the damage of Counter Slash, Counter Impact, Counter Kick, Counter Blast, Payback Strike, Final Blow, and Risk Dodge by 50%.