I Asked You to Do an Autopsy, but I Didn't Let You Fall in Love with a Banshee

This is a chaotic world where Confucianism, Taoism, Buddhism, martial arts, and evil coexist. My name is Xu Yan, I start with a scalpel, and all my equipment depends on "touch". Ordinary coroner → Jingyisi's gold medal head catcher → Daqian Zhenguo's national master → Law enforcer in all the worlds! By touching the corpse, I gain cultivation. My promotion speed is ten times, a hundred times, or a thousand times that of others! I transformed the Jingyi Division into the most powerful intelligence agency in the world, and even the emperor wanted to act based on my expression. "Sir, the Demon Empress has sent ten more cities. I just ask you to help her investigate the case..." I played with the [Book of Life and Death] in my hand: "Tell her to get in line! Tonight I will first interrogate the demon saint who tried to seduce me." As long as there are corpses, it is my home court. I have the final say in this world!