Eerie Spell deals damage and decreases the PP of the last move the target used by 3. Pokémon with the Ability Soundproof are not affected by this move.
Eerie Spell will become a Water-type move when used by a Pokémon with the Ability Liquid Voice. If the user is affected by Throat Chop, it will be unable to use this move for two turns.
Eerie Spell will have its power boosted by 30% when used by a Pokémon with the Ability Punk Rock. The damage dealt by Eerie Spell will also be halved when used against a Pokémon with Punk Rock. If the user is holding a Throat Spray, the item will be consumed and the user's Special Attack stat will raise by one stage.