Invincible from the Beginning

Traveling through time and becoming a low-level policeman, Su Xian holds the guide to the common people and explores the strangeness of the prosperous age. Starting from investigating the soul-eating mystery case, he rebelled against the imperial court, defeated the human emperor, and killed evil spirits. The old way of heaven was unkind, so we would use our mortal bodies to kill the faint emperor, kill the immortal emperor, and reestablish the way of humanity!