Some move types scare it and boost its Speed.
Some move types scare it and boost its Speed stat.
Dark-, Ghost-, and Bug-type moves scare the Pokémon and boost its Speed stat.
How many Pokémon have this ability
Rattled is an Ability introduced in Generation V. Currently, 13 Pokémon have this Ability, all of which use it as a Hidden Ability.
When a Pokémon with the Rattled Ability is hit by a Bug, Ghost or Dark-Type attack, the Speed Statistic of this Ability's user is increased by one stage.
Rattled doesn't have an effect in the Overworld.
Pokémon With Rattled