Dual Ruin (デュアルエンド, Dyuaru Endo, lit. "Dual End")
Attributes		Target	Gauge Cost	Damage
Power	Reversed	All	2	7★: x8.10 SN++: x20.90
6★: Deals 8 extremely powerful hits. Lowers Power-based defense of all targets by 2 tiers for 1 turn. 7★: Deals 8 hits. 1 turn: ↑ R-STR by 3, ↓ targets' P-DEF by 2. SN++: [Mastery] Deals 8 hits. 1 turn: P-Medal STR +10000, self [↑ STR, R- & P-STR 15], targets [↓ DEF, R- & P-DEF 15], SP ATK B +220%. Count ±0.

Dual Ruin is a technique that appears in Kingdom Hearts Union χ.

Mechanics

In Kingdom Hearts Union χ, Dual Ruin is a special attack that targets all enemies. It costs 2 special attack gauges to perform. Dual Ruin +7 deals Mastery damage, increasing damage dealt against Magic-attribute enemies, and ignores enemy counters.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Dual Ruin +5	6★	x2.54	x2.62	x2.70	x2.78	x2.86	x2.94		8
Dual Ruin +6	7★	—	—	—	—	—	x8.10		8
Dual Ruin +7	SN++	—	—	—	—	—	x20.90		8

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

Learning Dual Ruin

Kingdom Hearts Union χ

• Dual Ruin +5 is the special attack for medal 639: HD Roxas.
• Dual Ruin +6 is the special attack for medal 1242: HD Roxas.
• Dual Ruin +7 is the special attack for medal 1242: SN++ - HD Roxas.

• Kingdom Hearts Union χ special attacks