The Monastery aka Tree Temple whatever you call it is the shortest Puzzle in the game. All you need to look is for the hints which will show you the solutions. This Walkthrough will help you understand how to complete the Monastery and find all the possible solution, hints, and tips.
Walkthrough Part 8 – Monastery
First Head Inside the Temple and Go behind the tree. Here you will see a small tree podium which can be used to open the door if you solve the puzzle. Once the door opens start looking through objects in the environment to mask sections of the puzzle to reveal the correct path.
Open the right side of progress and the solution for the third puzzle is blocked from the inside and needs to be inspected from outside.
Once you activate all three head inside the temple again and then use the branches as your hint to find the solution. While the other branches can be used as the solution for the puzzle. Have a look at the images below.
Finally, The Laser Beam part which is right behind the Temple. You will see a Small temple with an activation puzzle. Solve it and thus completing the walkthrough.