Flash Fire (ability)

Effect

When a Pokémon with Flash Fire is hit by a Fire-type move, it does not deal damage but instead raises the power of the bearer's Fire-type moves by 50%. Subsequent hits do not raise the power even more, but the effect remains while the ability-bearer is in battle.

Game descriptions

Ruby/Sapphire FireRed/LeafGreen Emerald	Powers up if hit by fire.
Diamond/Pearl Platinum	Powers up Fire-type moves if hit by a fire move.
HeartGold/SoulSilver	It powers up Fire-type moves if it’s hit by one.
Black/White Black 2/White 2	It powers up Fire-type moves if it’s hit by one.
X/Y O.Ruby/A.Sapphire	Powers up the Pokémon’s Fire-type moves if it’s hit by one.
Sun/Moon Ultra Sun/Ultra Moon	Powers up the Pokémon’s Fire-type moves if it’s hit by one.

Pokémon with Flash Fire

#	Name	2^nd ability	Hidden ability
037	Vulpix	—	Drought
038	Ninetales	—	Drought
058	Growlithe	Intimidate	Justified
059	Arcanine	Intimidate	Justified
077	Ponyta	Run Away	Flame Body
078	Rapidash	Run Away	Flame Body
136	Flareon	—	Guts
228	Houndour	Early Bird	Unnerve
229	Houndoom	Early Bird	Unnerve
485	Heatran	—	Flame Body
607	Litwick	Flame Body	Infiltrator
608	Lampent	Flame Body	Infiltrator
609	Chandelure	Flame Body	Infiltrator
631	Heatmor	Gluttony	White Smoke

Flash Fire as a hidden ability

#	Name	Other abilities
155	Cyndaquil	Blaze
156	Quilava	Blaze
157	Typhlosion	Blaze