Stench

Full effect

This Pokémon's damaging moves have a 10% chance to make the target flinch with each hit if they do not already cause flinching as a secondary effect. This ability does not stack with a held item. Overworld: The wild encounter rate is halved while this Pokémon is first in the party.

In-game description

By releasing a stench when attacking, the Pokémon may cause the target to flinch.

Stats

Regular ability (6 Pokémon)

No. 0088 Grimer No. 0089 Muk No. 0434 Stunky No. 0435 Skuntank No. 0568 Trubbish No. 0569 Garbodor

Hidden ability (3 Pokémon)

Only available through specific encounters (Dynamax Adventures, Tera Raids, hidden grottoes, etc.).

No. 0044 Gloom No. 0109 Koffing No. 0110 Weezing