Third Vault (Chamber of Time)
To get the 3rd vault, you must beat The Challenge in the 2nd vault (Vault of Secrets.) A door will be unlocked, and youll see a face and it tells you to get 3 keys. Then, go to the Coming Soon! page and click on the dots below "download the soundtracks." A door will be revealed, but then you need to go to the secret shop (unlocked by 500 diamonds) and buy the Master emblem. go bback to the door at the coming soon page and there will be a vault and a chest. if you click the chest it gives you one key to unlock the prison.
