Psychic Demonic Body

After the ancient war between heaven and earth, the Three Realms rested for thousands of years... Where does a young man with a psychic demonic body go in the end... Ferocious beasts roam freely, accompanied by divine beasts. If the Demon King blocks it, who will help? ... When the war between heaven and earth comes, who can play a decisive role? How can a young boy reach the top?