The Devil's Guide

A wisp of the remnant soul of the demon led a special soldier who accidentally came to this world to embark on the path of cultivating immortality. Under the arrangement of the demon saint, he slowly embarked on the road of confrontation with the immortal emperor. After going through hardships and dangers, when he was wandering between life and death, he realized that the way of heaven was lacking. There were difficulties and gains along the way, and he finally defeated the Emperor of Heaven and the Holy Lord. Return home.