Misty Gods and Demons

Ten thousand years ago, the Demon King Killed Heaven led the Demon Realm to attack the Immortal Realm. When the Immortal Realm was about to perish, a genius boy from the God Realm sealed the Demon King Haotian with his own power. However, he became a mortal because he spent all his spiritual power and left the Immortal Realm without any news. Ten thousand years later, the reincarnation of the Demon King returned from another world. The great fortune teller Yi left a sentence thousands of years ago before disappearing from the world. This sentence is: Only the Demon King can stop him. Who is he? No one knows. What shocking secrets are hidden behind the Demon King and the genius boy from the God Realm? Everything is revealed in the Misty Gods and Demons!