Upper Slash (スラッシュアッパー Surasshu Appā, lit. "Slash Upper") is a technique that appears in Kingdom Hearts II. It allows the user to knock a target into the air during a combo.
Mechanics
In Kingdom Hearts II, Upper Slash is an action ability that costs 4 AP to equip. It is a ground finisher activated by pressing 
in the middle of a ground combo.
Learning Upper Slash
Kingdom Hearts II
- Sora learns Upper Slash after defeating the Possessor.