System: Evil Is Rampant? I Specialize in Treating New Students of Evil Ways

Good news: Travel through the world of immortality. Bad news: evil is flourishing. Good news: time travel brings the system. Bad news: You need to diagnose and treat mentally ill people to become stronger. Good news: Evil cultivators are all mentally ill. Bad news: Mentally ill people won't admit they have an illness. … Li Nanxing: Then I have to persuade people with reason and make you realize that you are sick. Xie Cultivator: Put your fist down. I am sick. Isn't that okay if I am sick? … Ancestor of Blood Refining: I am grateful to Dr. Li for curing my malignant narcissistic paranoid delusion. The kindness to Dr. Li is not over yet. The Holy Lady of Hehuan Valley: I am grateful to Dr. Li for his "warmth therapy" that cured my hypersexuality and borderline personality disorder. I am willing to serve Dr. Li as a slave for the rest of my life. The leader of the Yinhun Sect: I am grateful to Dr. Li for curing my delusional disorder and mapping addiction... I won't say any more, it's time to take medicine. The Killing God of the Seven Kills Hall: Don't even look at me, his healing tools are much more powerful than my torture tools! Li Nanxing: The four evil spirits are running rampant in the world, causing harm to the people! Demonic cultivator: The five evil sects are in troubled times, and the sky is dark!