Defense Boost S (Sプロテクトアップ, S Purotekuto Appu, lit. "S Protect Up")
Attributes		Target	Gauge Cost	Damage
Magic	Upright	Single	2	7★: x9.53
3★-6★: Raises Speed-based defense by 1 tier for 1 turn. 7★: 1 turn: ↑ S-DEF by 1.
Defense Burst S II (SプロテクトアップIIEX, S Purotekuto Appu II EX, lit. "S Protect Up II EX")
Attributes		Target	Gauge Cost	Damage
Power	Upright	All	3	7★: x6.76
★-6★: Raises Speed-based defense by 2 tiers for 1 turn. Moderately recovers HP. 7★: 1 turn: ↑ S-DEF by 2. HP recovery LV 2.
Defense Burst S Plus (SプロテクトアップロングEX, S Purotekuto Appu Rongu EX, lit. "S Protect Up Long EX")
Attributes		Target	Gauge Cost	Damage
Power	Upright	Single	3	6★: x1.47
5★-6★: Raises S-DEF by 1 tier for 2 turns. Slightly recovers HP.
DEF Boost S Plus (Sプロテクトアッププロング, S Purotekuto Appu Rongu, lit. "S Protect Up Long")
Attributes		Target	Gauge Cost	Damage
Power	Upright	Single	3	5★: x1.43
4★-5★: Raises S-DEF 1 tier for 3 turns.

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

Mechanics

In Kingdom Hearts Union χ, Defense Boost S is a special attack that targets a single enemy. It costs 2 special attack gauges to perform.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Defense Boost S +2	3★	x1.39	x1.41						1
Defense Boost S +3	4★	x1.41	x1.43	x1.47					1
Defense Boost S +4	5★	x1.43	x1.47	x1.51	x1.55				1
Defense Boost S +5	6★	x1.47	x1.51	x1.55	x1.59	x1.63	x1.67		1
Defense Boost S +6	7★	—	—	—	—	—	x9.53		1

Special attack	Player Buff	Target Debuff	Duration
	+2-6	+2-6
Defense Boost S	+1	—	1 turn

Defense Burst S II is a special attack that targets all enemies. It costs 3 special attack gauges to perform. It moderately restores the user's HP.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Defense Burst S II	★	x1.28							1
Defense Burst S II +1	2★	x1.30							1
Defense Burst S II +2	3★	x1.32	x1.34						1
Defense Burst S II +3	4★	x1.34	x1.36	x1.40					1
Defense Burst S II +4	5★	x1.36	x1.40	x1.44	x1.48				1
Defense Burst S II +5	6★	x1.40	x1.44	x1.48	x1.52	x1.56	x1.60		1
Defense Burst S II +6	7★	—	—	—	—	—	x6.76		1

Special attack	Player Buff	Target Debuff	Duration
	+0-6	+0-6
Defense Burst S II	+2	—	1 turn

Defense Burst S Plus is a special attack that targets a single enemy. It costs 3 special attack gauges to perform. It slightly restores the user's HP.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Defense Burst S Plus +4	5★	x1.43	x1.47	x1.51	x1.55				1
Defense Burst S Plus +5	6★	x1.47	x1.51	x1.55	x1.59	x1.63	x1.67		1

Special attack	Player Buff	Target Debuff	Duration
	+4-5	+4-5
Defense Burst S Plus	+1	—	2 turns

DEF Boost S Plus is a special attack that targets a single enemy. It costs 3 special attack gauges to perform.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
DEF Boost S Plus +3	4★	x1.41	x1.43	x1.47					1
DEF Boost S Plus +4	5★	x1.43	x1.47	x1.51	x1.55				1

Special attack	Player Buff	Target Debuff	Duration
	+3-4	+3-4
DEF Boost S Plus	+1	—	3 turns

Learning Defense Boost S

Kingdom Hearts Union χ

• Defense Boost S +2 is the special attack for medal 147: Dumbo.
• Defense Boost S +3 is the special attack for medal 148: Dumbo.
• Defense Boost S +4 is the special attack for medal 149: Dumbo.
• Defense Boost S +5 is the special attack for medal 150: Dumbo.
• Defense Boost S +6 is the special attack for medal 1054: Dumbo.

• Defense Burst S II is the special attack for medal 604: Pooh Bear^[JP].
• Defense Burst S II +1 is the special attack for medal 605: Pooh Bear^[JP].
• Defense Burst S II +2 is the special attack for medal 606: Pooh Bear^[JP].
• Defense Burst S II +3 is the special attack for medal 607: Pooh Bear^[JP].
• Defense Burst S II +4 is the special attack for medal 650: Pooh Bear.
• Defense Burst S II +5 is the special attack for medal 651: Pooh Bear.
• Defense Burst S II +6 is the special attack for medal 1204: Pooh Bear.

• Defense Burst S Plus +4 is the special attack for medal 728: Pence B.
• Defense Burst S Plus +5 is the special attack for medal 729: Pence B.

• DEF Burst S Plus +3 is the special attack for medal 746: Winnie the Pooh B.
• DEF Burst S Plus +4 is the special attack for medal 747: Winnie the Pooh B.

See also

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

• Kingdom Hearts Union χ special attacks