Immortality: Beginning as a Barefoot Doctor in a Strange World

In reality, I am a submissive person when I am a doctor. As a doctor in the world of strange monsters, I will strike hard! Headless Ghost: "I said I had a headache, and Dr. Lin cut off my head and said that there would be no pain without a head..." Drowning Ghost: "I said I had a fever and my body was hot. Dr. Lin held my head in the water for a day and a night, and then asked me if I was feeling better..." [Extremely cool writing, violent crushing, fast pace, extra points to upgrade...]