Water Boost

Water Boost (ファイアアップ) is an ability that appears in Kingdom Hearts 3D: Dream Drop Distance and Kingdom Hearts III. It increases the damage the user inflicts with -based attacks. It can be multi-installed to increase its effects.

Mechanics
In Kingdom Hearts 3D: Dream Drop Distance, Water Boost is a that can be equipped up to three times. It boosts Water-type damage by 10% for each Water Boost ability equipped.

In Kingdom Hearts III, Water Boost is a that costs 4  to equip. It boosts Water-type damage by 20% for each Water Boost ability equipped.

Kingdom Hearts 3D: Dream Drop Distance

 * Sora and Riku can purchase Water Boost from the Fin Fatale Ability Link for 30, 50, and 100 Link Points.
 * Sora and Riku can purchase Water Boost from the Fishboné Ability Link for 30 and 50 Link Points.
 * Sora and Riku can purchase Water Boost from the Sir Kyroo Ability Link for 30 and 50 Link Points.
 * Sora and Riku can purchase Water Boost from the Zolephant Ability Link for 30 and 50 Link Points.

Kingdom Hearts III

 * Sora learns Water Boost at level 18 with the Power of the Warrior, level 12 with the Power of the Mystic, and level 28 with the Power of the Guardian.
 * The Master Medal has Water Boost as its equipment ability.
 * The Water Cufflink has Water Boost as its equipment ability.
 * The Yin-Yang Cufflink has Water Boost as its equipment ability.