Frothorn, a kingdom where the greedy and arrogant yet peaceful Goddess of Element Froya and her lay-back brother God of Element, Lynx, being worshipped and prayed to. People there, that being called Fro, have centra based on their societal status, a rule that Froya herself decided.
Aria, The Red Princess, and her younger brother of 5 years, Dante, are known as the ones who the deities love the most. Aria, as the heir to the throne, being blessed by having 5 centras (fire, metal, electro, ice, and earth) while Dante, as The Master of Sword, being blessed by also having 5 centras (water, ice, air, flora, and electro). They live in luxury, royalty, and also rivalry. Until one day Aria casually stroll into the library, open a book, and start to question what is going on in the palace, especially to her family.
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.