This guide will let you know how to open Treasure Vaults in Hogwarts Legacy. Go through the guide and follow the simple steps to open it up.
First, you will need to find the little cube, and you can reveal it by revelio. It is recommended to upgrade revelio and then carry it all the way back to the entrance of the treasure Vault.
After that, put the cube on the little symbol and you need to use the spell according to that symbol. It will open up the entrance to the treasure Vault and be ready for a fight or a puzzle.