Item Boost

Item Boost (アイテムアップ) is an ability in Kingdom Hearts II and costs 2 AP. It increases the effect of all recovery items used on the field (i.e., Potions, Ethers, Elixirs, etc.). It is learned at different levels depending on the weapon Roxas chose during his Awakening.

Obtaining

 * Sora learns Item Boost at level 7 if Roxas chose the Dream Shield.
 * Sora learns Item Boost at level 9 if Roxas chose the Dream Rod.
 * Sora learns Item Boost at level 17 if Roxas chose the Dream Sword.
 * The Monochrome Keyblade has the Item Boost ability.
 * Dual-Wielding Roxas has Item Boost as a default ability.
 * Donald has Item Boost if he has Rising Dragon equipped.
 * Donald has Item Boost if he has Nobody Lance equipped.
 * Goofy has Item Boost if he has Save the King equipped.
 * Mulan has Item Boost as a default ability.
 * Beast has Item Boost as a default ability.
 * Jack Sparrow has Item Boost as a default ability.
 * Aladdin has Item Boost as a default ability.
 * Tron has Item Boost as a default ability.
 * Riku has Item Boost as a default ability.