This week 11 epic quest requires you to place a crystal at the top of the tallest mountain.

The tallest mountain on the island is Mount Kay. There is a flag at the highest point to resemble what climbers and explorers use when they reach the top of a mountain. This signifies that you are on the highest peak.

When you get up there you will see a blue outline you can interact with. Just interact with it and you will complete this quest.

Map credit to fortnite.gg