While Fortnite offers a myriad of ways in which you can earn XP to level up your battle pass, there are some well-curated custom maps in the game that you can use to farm a ton of XP to reach the max ...

Gain more XP and claim those Battle Pass pages in Fortnite ...

Here is a complete list of Fortnite Endgame quests and rewards, allowing you to gain up to 120,000 XP as Avengers or Chitauri ...