Setting structures on fire is one of the challenges you can complete in Fortnite Chapter 2 Season 6.
This challenge sees you unleashing your inner arsonist as you destroy 10 structures on the Fortnite map with the mighty force of fire.
Completing this challenge will reward you with 24k XP, which will help you unlock the new Battle Pass skin.
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How to set structures on fire in Fortnite
There are multiple ways to set structures on fire in Fortnite, such as firing an arrow using the Flame Bow or exploding a gas can near a wooden structure, but the easiest way to throw bottled fireflies on a wooden building.
The best place to find fireflies is by far the Weeping Wood, with little clusters of these surprisingly dangerous insects dotted about the woods. If you're having trouble finding some fireflies, try exploring the wood at night when the fireflies will have an orange glow.
Once you've collected some fireflies, head to one of the multiple wooden buildings dotted around Weeping Woods.
After finding one, simply toss the fireflies onto the structure and watch as the fire takes hold. Just make sure you toss the fireflies on the wooden part, so it will catch alight, and you make a quick exit or else you may find yourself losing health.
The structure only needs to be one fire for it to count towards the challenge, so we suggest visiting multiple wooden buildings and setting them aflame to ensure you can complete this task quickly. This challenge can also be completed across multiple matches, so just keep tossing fireflies and setting fires until you've lit 10 structures.
The new Season is here! Check out the Fortnite Season 6 Battle Pass skins, including Neymar Jr, the new Fortnite map changes and the Victory Umbrella. Recent quests include finding Soccer Character locations, Off-Road Tires, setting structures on fire, raptors, safes, Hunter's Cloak and how to unlock the Gold Lara Croft skin.
'Set structures on fire' not working in Fortnite explained
At the time of writing, the 'Set structures on fire' challenge is experiencing a bug in which a number of players are not having the progress of this quest tracked properly.
The quest is either counting randomly or not counting at all once a player completes it; the exact number of players affected is unknown, with some players being able to complete the challenge without issue.
Thankfully, Epic Games is investigating the issue, with the FortniteStatus Twitter account stating they are looking into the issue on Thursday, 8th April.
We're investigating an issue with the recent "Set structures on fire" Quest not tracking progress properly.— Fortnite Status (@FortniteStatus) April 8, 2021
We'll provide an update when we have more information. pic.twitter.com/X9CkuXnt4l
If you're having issues with this challenge, then we recommend waiting until the issue has been fixed before attempting to complete it. We're still in the opening weeks of Season 6, so you've got more than enough time to complete this challenge before the season ends.
If you'd like to learn more about Fortnite Season 6, then check out our guides on the Battle Pass skins, raptors, the other forms of wildlife on the island, the golden artefact locations and how to fly with a chicken.