This challenge is part of the "Fortnite Cameo vs. Chic Overtime" challenges in which you will have the task of "Using a fishing rod to catch an item in different non-fishing sites".
The first site is "Slurpy Swamp" which is in the southwest area of the map. It is possible that in some signs you can already find a fishing rod in a barrel in case you still do not have it.
Although where the factory is in the center of Slurpy Swamp you can also find several fishing rods.
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