Hell's Gate

Hell's Gate is a Special Attack in Kingdom Hearts Unchained χ / Union χ.

Sephiroth [EX+]

Hell's Gate (獄門, Gokumon^?, lit. "Prison Gate")
Rarity	Description	Damage							Target	Gauges	SAB
Rarity	Description	○○○○○	●○○○○	●●○○○	●●●○○	●●●●○	●●●●●	Max SAB	Target	Gauges	SAB
6★	Deals 3 hits. 1 turn: ↓ targets' Reversed DEF by 2, P-DEF by 7. Inflicts more damage the higher your HP.	x2.44 - 4.25	x2.49 - 4.33	x2.54 - 4.41	x2.58 - 4.50	x2.63 - 4.58	x2.68 - 4.66	x8.84 - 15.38	All	4	8
7★	Deals 3 hits. 1 turn: ↑ R-STR by 3, ↓ targets' R-DEF by 2, P-DEF by 7. Inflicts more damage the higher your HP.						x7.84 - 9.82	x25.87 - 32.41	All	4	8

Origin

Hell's Gate is a signature attack of Sephiroth, first appearing as one of his HP Attacks in Dissidia Final Fantasy.