Choose 2 of your opponent's PokÃ©mon. This attack does 30 damage to each of them. (Don't apply Weakness and Resistance for Benched PokÃ©mon.)
Megaton Rock 80
You may do 40 damage instead of 80 to the Defending PokÃ©mon. If you do, during your opponent's next turn, any damage done to Golem by attacks is reduced by 40 (after applying Weakness and Resistance).