The Sanctuary is the hidden home of the Golden Circle-a sect of powerful mages. It’s a sacred place of learning, magic, and deep secrets. When Tristan discovers his father, Connor Montague is being held prisoner, he vows to return to the Sanctuary and release him. There’s only one problem. The Sanctuary has been taken over by Mage Oliver. An Elder who has unleashed the magistrates and promises to destroy Tristan the moment he steps foot on the mountain. Now together with the help of Simon, they must face a mountain of mages, free his father, and escape the Sanctuary before an Arch Mage erases them from existence.