A Kingdom of Flesh and Fire by Jennifer L. Armentrout is a high-fantasy romance and the second book in the Blood and Ash series. After the shocking revelations of the first book, Poppy struggles with betrayal, truth, and her growing bond with Casteel as they navigate political unrest, ancient prophecies, and rising dangers. Blending epic fantasy, slow-burn romance, and court intrigue, it deepens the world’s mythology while raising the emotional and romantic stakes.