Cannon Upgrade

Cannon Upgrade (ショットアップ) is a ability in Kingdom Hearts II and Kingdom Hearts III. It can be equipped to a Gummi Ship to boost the damage dealt with cannons.

Mechanics
In Kingdom Hearts II, Cannon Upgrade is a Gummi Ability that costs 5 AP to equip, and can be equipped up to 3 times. It increases damage from Projectile Gummies by 30% for each time the ability is equipped.

In Kingdom Hearts III, Cannon Upgrade is a Gummi Ability that costs 5 AP to equip, and can be equipped up to 3 times. It increases damage from Cannon Gummies by 13.5% for each time the ability is equipped.

Kingdom Hearts II

 * Cannon Upgrade is available as a Gummi Ability after completing Stardust Sweep LV1 with a rank of E or above.
 * Cannon Upgrade is available as a Gummi Ability after completing Phantom Storm LV1 with a rank of C or above.
 * Cannon Upgrade is available as a Gummi Ability after destroying the red Speeder in Ancient Highway LV1.

Kingdom Hearts III

 * Cannon Upgrade is available as a Gummi Ability after reaching Gummi Level 3.
 * Cannon Upgrade is available as a Gummi Ability after reaching Gummi Level 37.
 * Cannon Upgrade is available as a Gummi Ability after reaching Gummi Level 69.