Generation Viii
Neutralizing Gas
If the Pokémon with Neutralizing Gas is in the battle, the effects of all Pokémon’s Abilities will be nullified or will not be triggered.
Detailed Effect
While the Pokémon is in the battle, the effects of all other Pokémon’s Abilities will be nullified or will not be triggered.
Pokémon With Neutralizing Gas
3 canonical Pokémon forms can have this Ability.

Koffing
Weezing
Galarian Weezing