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The Firefly Jar article is a stub, or still under construction. You can help Fortnite Wiki by expanding it.

The Firefly Jar is a Rare Explosive in Fortnite: Battle Royale. It can only be obtained by interacting with fireflies at the edge of the map. When thrown, the buildings or trees directly around it will catch on fire and spread the fire, until the builds affected burn away.


  • v13.10: Added
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