I Am a Heretical Sorcerer

This is a fictional world of the supernatural, much like the Hong Kong crime films. After the Qing dynasty falls, the land descends into chaos, warlords divide the country, religious sects scheme against one another, good and evil clash, and all manner of monsters and ghosts wait for their chance to strike. Lin Fan transmigrates into this world and becomes a young Taoist priest. Unfortunately, his aptitude is terrible, and he accidentally goes astray. He spends his days refining corpses and raising ghosts, committing every kind of evil.