All races in the world kill each other and feed on each other's blood. Long Yuan marries the Queen of the Demon Clan and gives birth to the Qinghua Empress. In order to stop all races from fighting, the Empress created the human race with her own flesh and blood. She sent her favorite disciple Jiang Shang to manage the world, enfeoffed the human race and gave hundreds of families surnames. All races took their surnames as blood food.
