If you use Revelio at the entrance of the vault, you will probably end up finding some hints on how to open the treasure vaults. Looking closely at the surroundings should also give you some clues.

Use Wingardium Leviosa to escort the cube onto the altar in front of the vault, then cast Incendio onto the cube to open the vault ... tile pictured above and the treasure will magically appear.

and requires you to complete several tasks before you can claim the treasure inside. Here's how to find the Mythic Vault, ...

you'll find the "Journal of a thief", which explains that you need to find the three seals located around the castle and unlock them to open the vault and get at the treasure inside. You'll get ...

Inside the small alley next to a Treasure Chest is Zyssyk’s Keycard ... You now know how to open the Ashiga Clan Vault on Kijimi in Star Wars Outlaws. Stay tuned to Gameranx for more news ...

Set it in the open spot until a nearby door opens, revealing the treasure chest. Last but not least is a vault located in the Poidsear Coast region of the map, in the Phoenix Mountain Cave shown ...

Once inside the Treasure Vault, you'll either be able to access ... so you can quickly work out how to open it. Keep up to date with the most important stories and the best deals, as picked ...

Here, the cube has the symbol for Incendio on each of its sides. To open the treasure vault, use Accio to move the cube so that it rests on top of the plaque. Occasionally, you may need to hunt ...