Generation Ix
Purifying Salt
The Pokémon's pure salt protects it from status conditions and halves the damage taken from Ghost-type moves.
Detailed Effect
The Pokémon’s pure salt protects it from status conditions and halves the damage taken from Ghost-type moves.
Pokémon With Purifying Salt
3 canonical Pokémon forms can have this Ability.
Nacli 
Naclstack 
Garganacl