Fantasy: I Took Away the Body of the Demon Emperor

One sword and one city, the sky is stained with blood, I am the king of stars, respected by all killers! One pot and one stove, helping the world at the same time, I am the Nine Heavens Medical Immortal, caring for all living beings! Originally two different souls, they share the same body. One side is like a Buddha and the other side is like a demon. Is the right path eternally prosperous, or can evil suppress the good?