Fortnite Horde Rush Mode: LTM Challenges, Rewards and leaked Fiend Wrap from 9.21 update

The new Horde Rush LTM challenges and rewards can be found below:

Eliminate members of the Horde with headshots (500) – Loading Screen Reward
Eliminate Poison Fiends or Exploding Brutes from at least 5m away (20) – 500XP Reward
Collect Score Multipliers (10) – 500XP Reward
Damage Spawn Obelisks (5,000) – 500XP Reward
Work together with your squad to eliminate Gold Brutes (5) – 500XP Reward
Win a match without being eliminated (1) – 500XP Reward
Win a team score of at least 100,000 (100,000) – 500XP Reward
Win a team score of at least 150,000 (150,000) – 500XP Reward
Win a team score of at least 200,000 (200,000) – 500XP Reward

You can see the in-game footage of this wrap on weapons and vehicles, above.