The Empirium Trilogy follows the interconnected stories of two powerful women, Rielle Dardenne and Eliana Ferracere, who live a thousand years apart. Rielle must pass seven elemental trials to prove she is the prophesied Sun Queen, while Eliana navigates a war-torn empire and discovers her own role in the ancient prophecy. Together, their choices determine the fate of the world as they grapple with the dual identities of a savior and a destroyer.