When the world-ending crimson mist engulfs the city Yan Hao witnesses the brutal death of his loved ones and his sister vanishes without a trace. For the sake of revenge and to find her he joins humanity’s final line of defense while concealing the most dangerous secret, a power surging within him born from the same source as the monstrous beasts.On the flesh and blood soaked battlefields of the apocalypse he treads the razor’s edge between hero and monster devouring beasts to gain their power yet constantly teetering on the brink of losing control to his beastly side.Relentlessly evolving seizing the abilities of every creature he slays he will massacre all in his path reveal his true form and rise as the Crimson King.