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F Boy is a fireball spirit that appears in the second level of Pumpkin Zone of Super Mario Land 2: 6 Golden Coins. Only two of them are found in that area and float erratically in the sky over certain sections of the level. They are not aggressive, but will harm the player if they come into contact with them. They also cannot be defeated unless the player runs into them while invincible.
As with many other Pumpkin Zone enemies, F Boys are based on Japanese folklore, in this instance hitodama, which are lost souls that appear as a ball of fire at night.
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