Fortnite Week 4 – Secret Battlestar – Junk Storm Challenges
In order for the secret battlestar to be unlocked, you must complete your 3 of the time-limited missions of the “Junk Storm Challenges” Missions. The hidden Battle Star of Season 10, Week 4, is located on the hill in the jungle near Sunny Steps.
Once you’ve completed 3 of the 7 Challenges in the limited time missions Junk Storm, you can collect this secret star.
An overview of all Smash & Grab Challenges can be found here.