Elite Redux LeafGreen

Flash Fire

Powers up if hit by fire.

48 species 20 as main 28 as innate 6 battle AI weight, −2 to 10 — 6 is the untouched default Ignored by Mold Breaker

In detail

Flash Fire grants complete immunity to Fire-type moves. When hit by Fire attacks, powers up the user's Fire moves by 50% until switching out. The boost doesn't stack from multiple Fire hits.

Types that carry it

48 species
Fire 47 Grass 6 Bug 5 Rock 4 Flying 3 Ghost 3 Steel 3 Dark 2

As a main ability

20 species

As an innate

28 species