Shiny Grotle Egg

The Shiny Grotle Egg is an egg in the Mainland tree. It first appeared in [Unofficial] tucann's Fan Made Egg Hunt 2017 and was called Grotle Egg .
How to find it: It appears at the top inside the giant tree at the other end of the map. You are going to have to do Parkour and get to the room at the top of the tree and you will have the egg.