Overdrive (ability)

Overdrive (オーバードライブ) is an ability that appears in Kingdom Hearts Chain of Memories and Kingdom Hearts Birth by Sleep. It increases the user's attack power under certain conditions.

Mechanics
In Kingdom Hearts Chain of Memories, Overdrive is an enemy card effect that increases the power of attack cards, in exchange for reducing reload speed. It costs 70 CP to equip and lasts for 30 attacks.

In Kingdom Hearts Birth by Sleep, Overdrive is an ability that doubles the damage the user deals when their HP is 25% of its maximum or less.

Kingdom Hearts Chain of Memories

 * The Maleficent enemy card has Overdrive as its effect.
 * The Black Fungus enemy card can randomly activate Overdrive.
 * The Darkside enemy card can mimic an enemy's Overdrive.

Kingdom Hearts Birth by Sleep

 * Terra's D-Link learns Overdrive after collecting 1 emblem.