StenchocultaHas a 10% chance of making target Pokémon flinch with each hit.
omega ruby alpha sapphirescarlet violet
Neutralizing GasNeutralizes abilities of all Pokémon in battle.
scarlet violet
Pokédex
If Koffing becomes agitated, it raises the toxicity of its internal gases and jets them out from all over its body. This Pokémon may also overinflate its round body, then explode.