Flash Fire
About the ability
Flash Fire is an ability introduced in generation 3.
25 Pokémon can have this ability, such as Vulpix, Ninetales, Growlithe, Arcanine and Ponyta. For 6 of them it is the hidden ability, usually obtained from events, raids or breeding.
Official effect
Protects against Fire moves. Once one has been blocked, the Pokémon's own Fire moves inflict 1.5× damage until it leaves battle.
Vulpix
Ninetales
Growlithe
Arcanine
Ponyta
Rapidash
Flareon
Houndour
Houndoom
Heatran
Litwick
Lampent
Chandelure
Heatmor
Sizzlipede
Centiskorch
Charcadet
Armarouge
Ceruledge
Cyndaquil
Quilava
Typhlosion
Rolycoly
Carkol
Coalossal