Neutralizing Gas
Neutralizes abilities of all Pokémon in battle.
Full effect
While the Pokémon is in the battle, the effects of all other Pokémon’s Abilities will be nullified or will not be triggered.
In game description
While the Pokémon is in the battle, the effects of all other Pokémon's Abilities will be nullified or will not be triggered.
Pokemon with Neutralizing Gas
Using Neutralizing Gas in Cobblemon
Abilities are passive and always active, so Neutralizing Gas costs you nothing to run. If it is marked hidden on a species above, expect it to be harder to obtain: servers differ in whether hidden abilities come from breeding, an Ability Patch, or events.
See the Pokedex for which abilities each species can have, and IVs, EVs and breeding for how to actually pass one down.