Defense Burst Plus (DEFアップロングEX, DEF Appu Rongu EX, lit. "DEF Up Long EX")
Attributes		Target	Gauge Cost	Damage
Magic	Upright	Single	4	7★: x9.53
6★: Raises DEF & PSM-DEF by 1 tier for 2 turns. Moderately recovers HP. 7★: 2 turns: ↑ DEF & PSM-DEF by 1. HP recovery LV 2.
DEF Boost Speed (DEFアップS, DEF Appu S, lit. "DEF Up S")
Attributes		Target	Gauge Cost	Damage
Power	Upright	Single	2	7★: x9.53
6★-SN: 1 turn: ↑ DEF 5, S-DEF 8.
DEF Boost Magic (DEFアップM, DEF Appu M, lit. "DEF Up M")
Attributes		Target	Gauge Cost	Damage
Speed	Upright	Single	2	7★: x9.53
6★-SN: 1 turn: ↑ DEF 5, M-DEF 8.
DEF Boost Power (DEFアップP, DEF Appu P, lit. "DEF Up P")
Attributes		Target	Gauge Cost	Damage
Magic	Upright	Single	2	7★: x9.53
6★-SN: 1 turn: ↑ DEF 5, P-DEF 8.
DEF Burst (DEFアップEX, DEF Appu EX, lit. "DEF Up EX")
Attributes		Target	Gauge Cost	Damage
Power	Upright	All	0	7★: x9.30
6★-SN: 1 turn: ↑ DEF & PSM-DEF 10. HP recovery LV 2. Gauge +5. Cures ailments.
DEF Burst P (DEFアップP EX, DEF Appu P EX, lit. "DEF Up P EX")
Attributes		Target	Gauge Cost	Damage
Magic	Upright	All	0	7★: x9.60
6★-SN: 1 turn: ↑ DEF & PSM-DEF 10. HP recovery LV 2. Gauge +5. Cures ailments.

DEF Boost, also called Defense Burst or DEF Burst, is a technique that appears in Kingdom Hearts Union χ.

Mechanics

In Kingdom Hearts Union χ, Defense Burst Plus is a special attack that targets a single enemy. It costs 4 special attack gauges to perform. It moderately recovers the user's HP.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
DEF Boost +5	6★	x1.47	x1.51	x1.55	x1.59	x1.63	x1.67		1
DEF Boost +6	7★	—	—	—	—	—	x9.53		1

Special attack	Player Buff	Target Debuff	Duration
	+5-6	+5-6
DEF Boost	+1  +1  +1  +1	—	2 turns

DEF Boost Speed is a special attack that targets a single enemy. It costs 2 special attack gauges to perform.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
DEF Boost Speed +5	6★	x1.47	x1.51	x1.55	x1.59	x1.63	x1.67		1
DEF Boost Speed +6	7★	—	—	—	—	—	x9.53		1

Special attack	Player Buff	Target Debuff	Duration
	+5-6	+5-6
DEF Boost Speed	+5  +8	—	1 turn

DEF Boost Magic is a special attack that targets a single enemy. It costs 2 special attack gauges to perform.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
DEF Boost Magic +5	6★	x1.47	x1.51	x1.55	x1.59	x1.63	x1.67		1
DEF Boost Magic +6	7★	—	—	—	—	—	x9.53		1

Special attack	Player Buff	Target Debuff	Duration
	+5-6	+5-6
DEF Boost Magic	+5  +8	—	1 turn

DEF Boost Power is a special attack that targets a single enemy. It costs 2 special attack gauges to perform.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
DEF Boost Power +5	6★	x1.47	x1.51	x1.55	x1.59	x1.63	x1.67		1
DEF Boost Power +6	7★	—	—	—	—	—	x9.53		1

Special attack	Player Buff	Target Debuff	Duration
	+5-6	+5-6
DEF Boost Power	+5  +8	—	1 turn

DEF Burst is a special attack that targets all enemies. It costs 0 special attack gauges to perform. It moderately restores the user's HP, removes all status ailments from the user, and fills 5 special attack gauges.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
DEF Burst +5	6★	x3.74	x3.82	x3.90	x3.98	x4.06	x4.14		1
DEF Burst +6	7★	—	—	—	—	—	x9.30		1

Special attack	Player Buff	Target Debuff	Duration
	+5-6	+5-6
DEF Burst	+10  +10  +10  +10	—	1 turn

DEF Burst P is a special attack that targets all enemies. It costs 0 special attack gauges to perform, and uses an additional 2 special attack gauges.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
DEF Burst P +5	6★	x4.04	x4.12	x4.20	x4.28	x4.36	x4.44		1
DEF Burst P +6	7★	—	—	—	—	—	x9.60		1

Special attack	Player Buff	Target Debuff	Duration
	+5-6	+5-6
DEF Burst P	=+15  =+15	=-8  =-3	1 turn

Learning DEF Boost

Kingdom Hearts Union χ

• Defense Burst Plus +5 is the special attack for medal 735: Hayner & Pence & Olette.
• Defense Burst Plus +6 is the special attack for medal 1351: Hayner & Pence & Olette.

• DEF Boost Speed +5 is the special attack for medal 1644: KH III Hercules.
• DEF Boost Speed +6 is the special attack for medals 1645: KH III Hercules and 1645: Supernova - KH III Hercules.

• DEF Boost Magic +5 is the special attack for medal 1646: KH III Phil.
• DEF Boost Magic +6 is the special attack for medals 1647: KH III Phil and 1647: Supernova - KH III Phil.

• DEF Boost Power +5 is the special attack for medal 1648: KH III Megara.
• DEF Boost Power +6 is the special attack for medals 1648: KH III Megara and 1648: Supernova - KH III Megara.

• DEF Burst +5 is the special attack for medal 1694: KH III Baymax.
• DEF Burst +6 is the special attack for medals 1695: KH III Baymax and 1695: Supernova - KH III Baymax.

• DEF Burst P +5 is the special attack for medal 1712: KH III Minnie.
• DEF Burst P +6 is the special attack for medals 1713: KH III Minnie and 1713: Supernova - KH III Minnie.

See also

• Defense Boost (special attack)
• Defense Boost P
• Defense Boost S
• Defense Boost M
• Defense Boost PSM

• Kingdom Hearts Union χ special attacks