Dark Dual Disaster (ダークデュアルブレイカー, Dāku Dyuaru Bureikā, lit. "Dark Dual Breaker")
Attributes		Target	Gauge Cost	Damage
Speed	Reversed	Single	3	7★: 11.24 - 12.88 SN++: x19.10
6★: Deals 4 hits. Raises Speed-based strength by 2 tiers for 1 turn. Inflicts more damage the more enemies defeated in that stage. 7★: Deals 4 hits. 1 turn: ↑ R-STR by 3, S-STR by 2. Inflicts more damage the more enemies defeated in that stage. SN++: Deals 4 hits. 1 turn: S-Medal STR +10000, self [↑ STR, R- & S-STR 15], SP ATK B +220%, reflects 10% Speed. Pierces Defense Boost 30%.
Dark Dual Disaster EX (ダークデュアルブレイカー改, Dāku Dyuaru Bureikā Kai, lit. "Dark Dual Breaker Revision")
Attributes		Target	Gauge Cost	Damage
Power	Reversed	All	0	SN: x11.00 - 14.76
SN-SN+: Deals 4 hits. 1 turn: R-Medal STR +1500, ↑ STR, R- & P-STR 15, SP ATK B +200%. Damage+: the more gauges are full.

Dark Dual Disaster is a technique introduced in Kingdom Hearts Union χ.

Mechanics

In Kingdom Hearts Union χ, Dark Dual Disaster is a special attack that targets a single enemy. It costs 3 special attack gauges to perform. Dark Dual Disaster +5-6 inflicts more damage the more enemies defeated in the current stage. Dark Dual Disaster +7 reflects 10% of Speed-attribute damage received, and has a 30% chance to ignore the opponent's Defense Boost Skill.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Dark Dual Disaster +5	6★	x3.08 - 4.72	x3.14 - 4.78	x3.20 - 4.84	x3.26 - 4.90	x3.32 - 4.96	x3.38 - 5.02		4
Dark Dual Disaster +6	7★	—	—	—	—	—	x11.24 - 12.88		4
Dark Dual Disaster +7	SN++	—	—	—	—	—	x19.10		4

Special attack	Player Buff			Target Debuff	Duration
	+5	+6	+7	+5-7
Dark Dual Disaster	+2	+2  +3	+10000  +15  +15  +15  +220%	—	1 turn

Dark Dual Disaster EX is a special attack that targets all enemies. It costs 0 special attack gauges to perform. It inflicts more damage the more special attack gauges are full.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Dark Dual Disaster EX +6	7★	—	—	—	—	—	x11.00 - 14.76		4

Special attack	Player Buff	Target Debuff	Duration
	+6	+6
Dark Dual Disaster EX	+1500  +15  +15  +15  +200%	—	1 turn

Learning Dark Dual Disaster

Kingdom Hearts Union χ

• Dark Dual Disaster +5 is the special attack for medal 563: Illustrated Xemnas.
• Dark Dual Disaster +6 is the special attack for medal 1195: Illustrated Xemnas.
• Dark Dual Disaster +7 is the special attack for medal 1195: SN++ - Illustrated Xemnas.

• Dark Dual Disaster EX +6 is the special attack for medals 1747: SN - KH III Xemnas and 1747: SN+ - KH III Xemnas.

See also

• Dual Disaster

• Kingdom Hearts Union χ special attacks