https://www.gamespot.com/articles/fortnite-challenges-season-4-search-between-locati/1100-6458737/

Season 4 of Fortnite: Battle Royale is underway. In addition to taking part in matches like normal, that also means there are special challenges to complete. Beyond the regular Starter and weekly challenges, Season 4 also presents some additional ones: Blockbuster and Carbide. Here's everything you need to know and details on all of the challenges revealed so far.

Reward: 5k XP (after completing four challenges)