Faith

Holy (ホーリー) is an ability which can be used by Sora, Mickey Mouse, Minnie Mouse, and Ventus.

Kingdom Hearts Birth by Sleep
In Kingdom Hearts Birth By Sleep, Ventus has two Deck Commands, one Magic and one Attack corresponding to Holy. The first is Holy itself, in which Ventus shoots beams of light towards enemies, while his health slowly recovers. The second is Holy Rise, which will hit any enemy in its range with a Holy attack, regardless of vertical position.

Mickey Mouse also appears as a D-Link with Holy Blast, and the Level 2 Deck Command Holy Storm.

Kingdom Hearts: Chain of Memories
Holy is a Magic Sleight in the game Kingdom Hearts: Chain of Memories. It is learned at Level 42 in Kingdom Hearts: Chain of Memories and Level 47 in Kingdom Hearts Re:Chain of Memories. This Sleight will inflict damage on a targeted enemy and all surrounding enemies, and is formed by stocking a Mega-Ether, Megalixir, and any Item Card.

Etymology
Holy is a recurring spell in the Final Fantasy series.