Dad's Immortal Career

Take the devil child with you and embark on the road to immortality. Control life and death, travel across the city, accompany him to do things, and hope that he will grow up! [A different dad, a different baby, a different story of cultivating immortality] ps: The protagonist just went up the mountain to collect medicine and picked up a baby by the way. How did I know that he would be the big devil in the future!