Heavenly Anatomy Emperor

When he was an ordinary earthling, Chiang Cha was studying to be a doctor. He was considered a genius and promising up-and-comer in the medical world that would bring it to new heights. Unfortunately, Chiang Cha dies in an assasination brought about by his only competitors father. People mourn his death, calling him a perfect angel who only wanted to heal mankind. But little did they know that Chiang Cha was actually a vigilante with a bone to pick with all unjust people. Now that he has reincarnated in a new world where strength is respected and pursued by all, how will this half-doctor-half-hero thrive in a completely ancient and brutal world?