Travel Through Ancient Times and Become the Father of the Male Protagonist of a Sadistic Novel

He travels back in time and becomes the father of the protagonist - doting on his concubines, destroying his wife, and forcing his son to become a demon. However, he has his own "archaeological breaking" thinking. He uses modern cultural relic identification and tomb logic to solve ancient conspiracies. By the way, he raises his son who is "destined to become a black man" as a "little cotton-padded jacket with a knife" and "solves the family murder + prevents the imperial power from seizing the legitimate son."