Could you survive being trapped inside the Major Arcana of a Tarot Deck brought to life? Armed with her new bone-casting magick and burdened with the soul of the vengeful Goddess Nemesis, Saorsa Stuart's next step in her fight to save her clan is to brave the mysteries of The Arcanum, a secret stronghold created by The Magician to house his experiments. But once inside this world modeled on the Major Arcana of the Tarot, Saorsa and Alex quickly discover that the magick there is unstable and turning chaotic. The realms of the Cards are Reversing, Skewing, and releasing trapped monsters and prisoners to run wild within the deck. Can Saorsa and Alex reach the Magician's Vault without losing their lives and their devotion to each other? And what temptation is waiting for them in the abyss of The Devil Card, which has the potential to completely reset the odds in their battle against the Fae?