The God Realm maintains the balance of the Heavenly Dao, the Immortal Realm strives for eternal life, the Human Realm conceals hidden mysteries, the Demon Realm awakens its bloodlines, the Devil Realm devours all living things, and the Underworld holds the Book of Reincarnation. The realms are connected by the Ninefold Celestial Stairway, and only come into contact when the Heavenly Gate opens once every hundred years.
During the ancient war between gods and demons, the Four Sacred Spirits sealed themselves inside the Taixu Cauldron to protect the Three Realms. Ten thousand years later, the seal began to weaken, setting off a struggle among the Six Realms for the power of the Sacred Spirits. As the Azure Phoenix Yue Zhao and the Azure Dragon Feng Qi regained their memories, they discovered that the ancient war had been hiding another secret.
