Defense Boost

Defense Boost (ガードアップ), also called Defense Up, is an item that can be obtained in the Kingdom Hearts series. Defense Boosts will permanently increase a character's Defense stat by one. This item can only be used from the items menu after it is obtained. It can be found in treasure chests or created through synthesis.

In Kingdom Hearts Final Mix: Beginner Mode, Sora starts off with 8 Defense Ups in his stock.

Kingdom Hearts

 * Traverse Town - First District after extinguishing the candles in cafe.
 * Note: Another Defense Up is obtained after sending the 9th Postcard.
 * Wonderland - Bizarre Room after lighting torch; the chest comes out of the lion mask's mouth.
 * Olympus Coliseum - Complete the Pegasus Cup in under three minutes.
 * Deep Jungle - Complete the Panic Fall course of Jungle Slider.
 * Agrabah - Treasure Room, make Abu activate one of the statues.
 * Halloween Town - Bridge, small platform near exit.
 * Neverland - Clock Tower x2, come back when the 8:00 and 10:00 door is lit.
 * 100 Acre Wood - Tigger's Giant Pot, rare nut reward from Owl.
 * Hollow Bastion - Rising Falls, underwater cave.
 * End of the World - Gate to the Dark x2

Kingdom Hearts II
The only Defense Boost to be found in a treasure chest is in 100 Acre Wood in Piglet's House.

Kingdom Hearts II Final Mix
A Defense Boost is given for defeating the Xigbar, Xaldin, or Saïx Data Battle.

Kingdom Hearts
Defense Up can be synthesized once the third list is unlocked.
 * 5 Lucid Shard
 * 3 Lucid Gem
 * 1 Lucid Crystal
 * 1 Mystery Goo

Kingdom Hearts Final Mix
Defense Up can be synthesized once the fourth list is unlocked.
 * 3 Lucid Shard
 * 3 Bright Shard
 * 2 Bright Gem
 * 1
 * 5 Orichalcum