Fallen Kingdom (Fallen Trilogy book 2‪)‬

Best friends and near lovers, Ellia and Cyric, find themselves on opposing sides of a war. Regardless, they remain bound, by loyalty and memories of their past, to protect each other. But now Cyric has become a Murderer, Captor, and Lieutenant of the Akadian army. The discovery of the Constellation Animals, a great and ancient power, may be the only chance against Akadia. Ellia's duty is to her people, to the side of good. Her duty is to destroy Cyric and Akadia with him. When loyalty and duty conflict with each other… who will pay the price?
Fallen Kingdom is book two of the Fallen Trilogy. Read the beginning of the story in book one, Fallen Prince.