Children of Fallen Gods is the second installment in The War of Lost Hearts trilogy, directly continuing the story from Daughter of No Worlds. A series in the established romantasy genre, The War of Lost Hearts reflects the grand scale of epic fantasy, with a continent-spanning civil war, complex magical systems, and political machinations. These elements being introduced in the first novel, the second novel is able to deepen and complicate the fantasy world, as well as reveal hidden information about the characters and their relationships.

In the first book, the protagonist Tisaanah, a former slave from the conquered nation of Nyzerene, travels to the kingdom of Ara seeking magic to free her people from enslavement in Threll. To do so, she makes a blood pact with the Orders of Ara, a powerful organization of magic-wielders, binding herself to their service in exchange for magical power. Tisaanah is trained by Maxantarius “Max” Farlione, a war-haunted and reclusive former soldier who is also indebted to the Orders. As romantasy, the narrative is partly driven by the evolving relationship between Tisaanah and Max, which develops as the series unfolds.