Withstand Combo

Once More (コンボリーヴ) is an ability available in Kingdom Hearts II, Kingdom Hearts 358/2 Days, Kingdom Hearts Birth by Sleep and Kingdom Hearts Re:coded. Once More ensures that the player will retain 1 HP after being attacked by a combo that would normally finish them off. However, if the player already has 1 HP, Once More will not save them from defeat. Another ability similar to Once More is Second Chance.

Mechanics
In Kingdom Hearts II, Once More is a that costs 4 AP to equip.

In Kingdom Hearts Birth by Sleep, Once More is a that can be equipped once.

In Kingdom Hearts Re:coded, Once More is an accessory ability.

In Kingdom Hearts 3D: Dream Drop Distance, Once More is a that can be equipped once.

Kingdom Hearts II

 * Double-Keyblade Roxas has "Once More" as a default ability.
 * Sora learns "Once More" at level 25 with the Dream Shield, level 28 with the Dream Rod, and level 47 with the Dream Sword.
 * Goofy learns "Once More" after defeating Oogie Boogie in Christmas Town.
 * Auron has "Once More" as a default ability.
 * Aladdin has "Once More" as a default ability.
 * Riku has "Once More" as a default ability.

Kingdom Hearts Birth by Sleep

 * Once More can be attached to a or  Command recipe through Command Melding, either randomly or by applying a Wellspring Crystal.

Kingdom Hearts Re:coded

 * Data-Sora learns Once More by equipping the Immortal Charm accessory.

Kingdom Hearts 3D: Dream Drop Distance

 * Sora and Riku can purchase Once More from the Drak Quack Ability Link for 465 Link Points.
 * Sora and Riku can purchase Once More from the Flowbermeow Ability Link for 550 Link Points.
 * Sora and Riku can purchase Once More from the Tyranto Rex Ability Link for 620 Link Points.