Abilities, Drought
2 species have Drought as a hidden ability, 2 as a normal one
Of the 1,025 species this site covers, default forms only
SinceGen III
Normal2
Hidden2
Elsewhere1
Effect, in PokéAPI's words
“Summons strong sunlight that lasts indefinitely upon entering battle.”
As a hidden ability
Vulpix
NinetalesAs a normal ability
Torkoal
GroudonElsewhere in PokéAPI
1 more holder without a page here
Alternate forms and other species that PokéAPI lists with Drought.
Charizard Mega Y