Merciless

Merciless is an Ability that ensures critical hits on poisoned opponents.

Effect
If a Pokémon is poisoned, any attack used on it by the Ability's user will always result in a critical hit. This will not occur if the target has Battle Armor, Shell Armor, or is under the effects of Lucky Chant.

Pokémon with Merciless

 * Mareanie
 * Toxapex