Four children from Sevenoaks are taken to Tintagel, Cornwall to the same big house by the famous castle of Waelmore Fortress . Walking in a forest in Tintagel, Cornwall then go behind a waterfall in St Nectans Glen and find a cave- cauldron, potions, books, a diary, weapons, and a crown; then at the back, a door leading to a small room carved into the walls. Niamh has a past life, Evelyn and Tristan have each other, and no-one seems to know about Hunter
A story of mystery and Celtic fantasies.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.