Fire Fist (OP15-020) [Adventure on Kami's Island]

[Main] Your Leader gains +3000 power during this turn and give up to 1 of your opponent's Characters -8000 power until the end of your opponent's next End Phase. Then, you may trash 2 cards from your hand. If you do, K.O. up to 1 of your opponent's Characters with 0 power or less.