https://www.gamespot.com/articles/fortnite-haunted-hills-treasure-map-center-of-name/1100-6458737/

Season 4 of Fortnite: Battle Royale is finally underway. In addition to taking part in matches like normal, there are a number of special challenges to complete. Beyond the regular Starter and weekly challenges, Season 4 also presents some extra 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)