In a world in which the four elements are king, there's no place for derivatives yet only they have the power to stop its destruction.
The world is separated in 4 folk that live together in harmony with the Pyros controlling fire, the Hydros controlling water, the Terras controlling the earth and the Aeros controlling the air.
Abby, born in an Aero family, discovers at age 14 that she is an Electrokinesist, a derivative of Aeros.
Horia, born in a Pyro family, discovers at age 15 that she is a Lavakinesist, a derivative of Pyros.
Dylan, born in a Hydro family, discovers at age 16 that he is a Cryokinesist, a derivative of Hyrdos.
Stern, born in a Terra family, discovers at age 17 that he is a shapeshifter, a derivative of Terras.
Will they be able to prevent the end of their world?
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.