This page has info on the Free Tier from the 7th week of the Blockbuster Challenges in Fortnite Battle Royale.
Instructions
You can only find this free battlestar after unlocking the The Visitor Loading Screen.
This is done by completing seven Blockbuster Challenges which entails completing all Weekly Challenges of any seven weeks in Season 4.
Puzzle
This is the The Visitor Loading Screen for reference:
The Visitor has emerged from the meteor (and you also get the Legendary Outfit as reward).
Notice the battlestar on top of the pod in the background.
Solution
The location is at the center of the research complex at Dusty Divot, where they were drilling into the meteorite.
See screenshots and maps below to help find the location of the secret battlestar.
Screenshots
Map
Strategy Guide/Tips
- You can only locate the Week 7 star after you have unlocked the The Visitor Load Screen.
- When you complete all challenges in 7 different weeks you also get the Legendary The Visitor Skin.