The hidden letter T can be found on the northeastern border of Weeping Woods near the river. When you get there you'll see this bridge. On the left side of it is this opening with the hidden T inside.
Map Location
The Secret Battle Star can be found on the Easternmost part of the map. It will be near the edge of the map, by the mansion South of Lonely Lodge.The secret battlestar can be found near the side of the road next to the metal dog. To collect this secret Battlestar you must complete all challenges in Week 1. After completing them the Battlestar will be available to be picked up. Completing 55 weekly challenges will unlock the Secret Utopia Skin.
The Season 9 Week 9 secret Utopia Battle Star can be found on top of the car inside the Mega Mall entrance. To actually get the Battle Star to appear though, you first need to complete nine sets of the Season 9 weekly challenges.
The Fortnite Week 6 Season 10 (X) Battle Star location can be found within the Return Loading Screen. As you can see in the Return Loading Screen above, the character is looking at Fatal Fields. If you look at the dock on the edge of the pond, you can see a faint outline of a Battle Star.
Secret battle stars are worth 1,000 XP each so it's worth getting that extra tiny bit toward ragnarok. Also, if you get all of them you get the loading screen #8 for the road trip event. There's no point in NOT collecting them.
To find the letter T in Fortnite from week 4, head to the industrious eastern spot known as Dirty Docks. As you can see in the image above, it can be found on top of the crane walkway located to the south of the area.
The Week 7 Secret Battle Star is right at the base of Pressure Plant as marked on the map below. You should find it right by the stairs heading up to the plant. That's all you need to know to find the Week 7 Utopia Secret Battle Star in Fortnite.
The Season 9 Week 7 secret Utopia Battle Star can be found just outside of the Pressure Plant. To actually get the Battle Star to appear though, you first need to complete seven sets of the Season 9 weekly challenges.
The loading screen depicts two characters reeling in a Slurpfish at one of the many bodies of water around the island. The O can be spotted just beneath the dock surrounding the white building, which is located on the northernmost edge of Craggy Cliffs--that's where you'll need to go to find the letter.
Once you've finished three challenges from week 8, you'll unlock the Gotham loading screen, where coordinates for week 8's secret battle star are located on one of the stone gargoyles. The secret battle star is located at the thermal pools located west of Sunny Steps and northeast of Lazy Lagoon.
It only becomes available to you once you complete all of the challenges for that week. Yes, you need all challenges in the week, once you do you get a loading screen from the road trip challenges. On that loading screen you can see a battle star or something symbolizing it.
The Season 10 Week 8 Secret The Return Battle Star can be found near the 3 lakes in one of the old geyser pools. To actually get the Battle Star to appear though, you need to complete any 3 of the limited time missions in the "Gothic" challenges.
The Season 10 Week 5 Secret Battle Star can be found on the hill with the house next to Salty Springs / Fatal Fields. To actually get the Battle Star to appear though, you need to complete any 3 of the limited time missions in the "Catastrophic" set of missions/challenges.
You can find the Week 3 Battle Star in the Desert Biome. It's on the Northern end of the Biome near the Race Track.
