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Super Mario World/Enemies/Roy Koopa
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ROY KOOPA - after you beat the forest fortress, you will have to face him. You and he will be enclosed over lava between 2 pillars that slowly move together. Eventually, if your not fast enough, they will crush you. Roy Koopa doesn't throw anything at you, but he does jump. Once you hit him, he literally bounces of the ceiling. And the walls. You will have to jump on him three times to defeat the castle!