Remove 4 damage counters from each of your Pokémon that has Grass Energy attached. If that Pokémon has less than 4 damage counters, remove all of them.
The Defending Pokémon is now Poisoned. The Defending Pokémon can't retreat until the end of your opponent's next turn.
Sceptile ex can't use Slashing Strike during your next turn.
When Pokémon-ex has been Knocked Out, your opponent takes 2 Prize cards.