Levitate
Not hit by Ground attacks.
Pokémon with this ability
Gastly
Haunter
Koffing
Weezing
Misdreavus
Unown
Vibrava
Flygon
Lunatone
Solrock
Baltoy
Claydol
Duskull
Chimecho
Latias
Latios
Mismagius
Chingling
Bronzor
Bronzong
Carnivine
Rotom
Uxie
Mesprit
Azelf
Cresselia
As a hidden ability
No Pokémon has it as a hidden ability.
As of v0.77.1 · engine d7ff0bbe