Fortnite: Use the Sensor Backpack to Find an Energy Fluctuation around Loot Lake Location

Find out where the disturbance is in this weekly quest for Fortnite!

by Shaun Cichacki


Even though it feels like it just started, the end of Chapter 3, Season 2 of Fortnite is arriving faster than we can expect. However, that doesn’t mean it’s time to slack, as there are plenty of weekly challenges that still need to be done. You’ll be helping The Seven on their journey to stop the devilish IO Forces, as they try to prevent them from unleashing doomsday to the land of Fortnite.

Thankfully, you’ve already gotten a head start, as you’ve collected all of the signal jammers, as well as cleaned up the trash around Sanctuary. Now, you’re being tasked with your hardest mission yet: finding an energy fluctuation around Loot Lake, but you’ve got a cool Sensor Backpack to help you. Let’s get right into the details of what you’ll need to do to help The Seven out again, as well as what you’ll get for doing this quest!

Where is the Energy Fluctuation Around Loot Lake in Fortnite?


As per the norm, you’ll want to make sure that you are fully stocked up on different weapons and consumables because you’ll not only be dealing with other players hunting you down, but you may come across a few NPC IO Force troops that will try their best to take you down. However, making sure that you’re prepared will make sure that you’re ready to take this challenge on with no problems.

Once you have landed, you’ll want to make your way to the red X on the map, nearest to Greasy Grove. You’ll need to make sure to visit this location first to get your hands on the Sensor Backpack, a special item that will allow you to discover an energy fluctuation that is going on near Loot Lake. After picking this item up, which does not use an item slot, you’ll need to make your way to the second red X on the map, near Loot Lake.

Once you have arrived here, you’ll just want to look for some orange, glowing lines near the ground, which are hard to miss. They emit a noticeable glow, along with a visual representation of where you’ll need to go. Once you do find them, you’ll just need to press and hold the action button near it, and you’ll have discovered what you came to look for, and finish off the quest in style!

Once you have completed this task, you’ll be awarded 23,000XP towards your Battle Pass! Since the season is coming to a close, you’ll need to make sure that you’re doing as many of these quests as possible, to make sure you can unlock everything that you want in the Battle Pass. If you haven’t gotten one yet, you may be interested in Fortnite Crew, which gives you a Battle Pass and other exclusive cosmetics not available to non-subscribers!

Fortnite is available now on PC, PS4, PS5, Xbox One, Xbox Series X|S, Nintendo Switch, and Mobile devices.

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