Does 10 damage to each of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) Remove from Dark Crobat a number of damage counters equal to the number of your opponent's Pokémon in play.
Skill Dive
Does 30 damage to 1 of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)