Other known variants
x2
-30Black Beam
Once during your turn (before your attack), if Dark Crobat is your Active Pokémon, you may choose 1 of the Defending Pokémon. That Pokémon is now Poisoned. This power can't be used if Dark Crobat is affected by a Special Condition.
Dark DrainDoes 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 DiveDoes 30 damage to 1 of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
This Pokémon is both Grass Darkness type.
If my opponent's Florges used its "Moonblast" attack last turn, would my Kilowattrel's "Skill Dive" attack only do 20 damage to a Benched Pokemon?
Yes, all attack damage is reduced by 30. This damage reduction applies to all Defending Pokemon (including Benched Pokemon), and also applies to any self-damage done to your own Pokemon.