Defense Boost (ability)

You may be looking for the Defense Gain ability, the special attack, or the item.

Defense Boost (ガードアップ, Gādo Appu^?, lit. "Guard Up"), also called DEF Boost, is an ability introduced in Kingdom Hearts Re:coded. It increases the user's defense.

Mechanics

Kingdom Hearts Re:coded

In Kingdom Hearts Re:coded, Defense Boost is an accessory ability that increases the user's Defense when their HP is reduced to 25%.

Kingdom Hearts 3D: Dream Drop Distance

In Kingdom Hearts 3D: Dream Drop Distance, Defense Boost is a stats ability that can be equipped up to three times. It raises the user's defense by 1 for each Attack Boost equipped.

Kingdom Hearts Union χ

In Kingdom Hearts Union χ, Defense Boost I (ガードアップＳ, Gādo Appu S^?, lit. "Guard Up S") is a Skill that reduces damage received by 1/2. It can activate when attacked. It has a maximum LV of 10, and a maximum trigger rate of 34%.

Defense Boost II (ガードアップＭ, Gādo Appu M^?, lit. "Guard Up M") is a Skill that reduces damage received by 2/3. It can activate when attacked. It has a maximum LV of 15, and a maximum trigger rate of 37%.

Defense Boost III (ガードアップＬ, Gādo Appu L^?, lit. "Guard Up L") is a Skill that reduces damage received by 4/5. It can activate when attacked. It has a maximum LV of 20, and a maximum trigger rate of 39%.

Defense Boost IV (ガードアップＸＬ, Gādo Appu XL^?, lit. "Guard Up XL") is a Skill that reduces damage received by 7/8. It can activate when attacked. It has a maximum LV of 20, and a maximum trigger rate of 39%.

Defense Boost V (ガードアップＸＬⅡ, Gādo Appu XL II^?, lit. "Guard Up XL II") is a Skill that reduces damage received by 9/10. It can activate when attacked. It has a maximum LV of 20, and a maximum trigger rate of 39%.

Defense Boost I Max (ガードアップＳ１００％, Gādo Appu S 100%^?, lit. "Guard Up S 100%") is a Skill that reduces damage received by 1/2. It activates when attacked. It has a maximum LV of 15, and a maximum trigger rate of 100%.

Defense Boost II Max (ガードアップＭ１００％, Gādo Appu M 100%^?, lit. "Guard Up M 100%") is a Skill that reduces damage received by 2/3. It activates when attacked. It has a maximum LV of 20, and a maximum trigger rate of 100%.

Defense Boost III Max (ガードアップＬ１００％, Gādo Appu L 100%^?, lit. "Guard Up L 100%") is a Skill that reduces damage received by 4/5. It activates when attacked. It has a maximum LV of 20, and a maximum trigger rate of 100%.

Defense Boost IV Max (ガードアップＸＬ１００％, Gādo Appu XL 100%^?, lit. "Guard Up XL 100%") is a Skill that reduces damage received by 7/8. It activates when attacked. It has a maximum LV of 20, and a maximum trigger rate of 100%.

Defense Boost V Max (ガードアップＸＬⅡ１００％, Gādo Appu XL II 100%^?, lit. "Guard Up XL II 100%") is a Skill that reduces damage received by 9/10. It activates when attacked. It has a maximum LV of 20, and a maximum trigger rate of 100%.

Defense Boost VI Max (ガードアップＸＬⅢ１００％, Gādo Appu XL III 100%^?, lit. "Guard Up XL III 100%") is a Skill that reduces damage received by 11/12. It activates when attacked. It has a maximum LV of 20, and a maximum trigger rate of 100%.

Defense Boost VII Max (ガードアップＸＬⅣ１００％, Gādo Appu XL IV 100%^?, lit. "Guard Up XL IV 100%") is a Skill that reduces damage received by 13/14. It activates when attacked. It has a maximum LV of 20, and a maximum trigger rate of 100%.

DEF Boost VIII Max (ガードアップＸＬⅤ１００％, Gādo Appu XL V 100%^?, lit. "Guard Up XL V 100%") is a Skill that reduces damage received by 16/17. It activates when attacked. It has a maximum LV of 20, and a maximum trigger rate of 100%.

Learning Defense Boost

Kingdom Hearts Re:coded

The Safeguard Armlet has Defense Boost as its ability.

Kingdom Hearts 3D: Dream Drop Distance

Sora and Riku can purchase Defense Boost from the Kab Kannon Ability Link for 100, 200, and 300 Link Points.
Sora and Riku can purchase Defense Boost from the KO Kabuto Ability Link for 100, 200, and 200 Link Points.
Sora and Riku can purchase Defense Boost from the Skelterwild Ability Link for 100, 200, and 300 Link Points.
Sora and Riku can purchase Defense Boost from the Drill Sye Ability Link for 100 and 200 Link Points.
Sora and Riku can purchase Defense Boost from the Escarglow Ability Link for 100 and 200 Link Points.
Sora and Riku can purchase Defense Boost from the Me Me Bunny Ability Link for 100 and 200 Link Points.
Sora and Riku can purchase Defense Boost from the Meowjesty Ability Link for 100 and 200 Link Points.
Sora and Riku can purchase Defense Boost from the Ryu Dragon Ability Link for 100 and 200 Link Points.
Sora and Riku can purchase Defense Boost from the Yoggy Ram Ability Link for 100 and 200 Link Points.
Sora and Riku can purchase Defense Boost from the Zolephant Ability Link for 100 and 200 Link Points.
Sora and Riku can purchase Defense Boost from the Cera Terror Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Chef Kyroo Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Drak Quack Ability Link for 50 Link Points.
Sora and Riku can purchase Defense Boost from the Electricorn Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Fishboné Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Hebby Repp Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Kooma Panda Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Lord Kyroo Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Meow Wow Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Pegaslick Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Pricklemane Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the R & R Seal Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Staggerceps Ability Link for 100 Link Points.
Sora and Riku can purchase Defense Boost from the Tama Sheep Ability Link for 100 Link Points.

Kingdom Hearts Union χ

Defense Boost I can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost I skill.
Medals drawn from the Shop have a small chance of having the Defense Boost I skill.
Defense Boost II can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost II skill.
Medals drawn from the Shop have a small chance of having the Defense Boost II skill.
Defense Boost III can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost III skill.
Defense Boost IV can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost IV skill.
Defense Boost V can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost V skill.
Defense Boost VI can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost VI skill.
Defense Boost I Max can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost I Max skill.
During several deals between 06/01/18 and 05/31/19, guaranteed Medals have one of several skills attached, including Defense Boost I Max.
Defense Boost II Max can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost II Max skill.
During several deals between 06/01/18 and 05/31/19, guaranteed Medals have one of several skills attached, including Defense Boost II Max.
Defense Boost III Max can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost III Max skill.
During several deals between 06/01/18 and 05/31/19, guaranteed Medals have one of several skills attached, including Defense Boost III Max.
Defense Boost IV Max can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost IV Max skill.
Defense Boost V Max can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost V Max skill.
During the 10/26/20 - 11/02/20 "Halloween Deal", a guaranteed SN++ - Halloween Goofy B, SN++ - Illus. Halloween Sora, or SN++ - Halloween Donald B drawn has one of several skills attached, including Defense Boost V Max.
Defense Boost VI Max can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost VI Max skill.
During the 10/26/20 - 11/02/20 "Halloween Deal", a guaranteed SN++ - Halloween Goofy B, SN++ - Illus. Halloween Sora, or SN++ - Halloween Donald B drawn has one of several skills attached, including Defense Boost VI Max.
Defense Boost VII Max can be attached to a Medal by fusing it with a Scrooge medal with the Defense Boost VII Max skill.
During the 10/26/20 - 11/02/20 "Halloween Deal", a guaranteed SN++ - Halloween Goofy B, SN++ - Illus. Halloween Sora, or SN++ - Halloween Donald B drawn has one of several skills attached, including Defense Boost VII Max.
DEF Boost VIII Max can be attached to a Medal by fusing it with a Scrooge medal with the DEF Boost VIII Max skill.