The Lost Rival

Young demon hunters Beatrice and Mara have spent their lives chasing the shadow of a legend-their father, the warrior who helped cast down the Demon Emperor. Eager to prove they're the worthy Heirs to his name, they leap at the chance to join him on a mission far beyond their usual battlegrounds. But the world they think they understand is far more twisted, treacherous, and morally tangled than any training exercise could prepare them for.

When an entire floating demon realm begins drifting ...