Pokédex / AbilitiesPranksterAbout the abilityPrankster is an ability introduced in generation 5.18 Pokémon can have this ability, such as Cottonee, Whimsicott, Tornadus, Thundurus and Klefki. For 10 of them it is the hidden ability, usually obtained from events, raids or breeding.Official effectRaises non-damaging moves' priority by one stage.Pokémon with the ability (8)CottoneeWhimsicottTornadusThundurusKlefkiImpidimpMorgremGrimmsnarlAs a hidden ability (10)MurkrowSableyeVolbeatIllumiseRioluPurrloinLiepardMeowsticShroodleGrafaiai