From the relationship between the mortal Demon Master and the Demon Lord, one could conclude that the Demon Master and the Demon Lord were brothers, and they were both related to Shi Kongjie. The Demon Lord was Shi Kongjie's third corpse, while the Demon Lord was the evil side of the Demon Lord, which was to sever the three corpses. The Demon Lord did not want to kill the Demon Lord, but he changed his mind after hearing the news that the Demon Lord was about to reach the Dao Integration. In addition, some search results mentioned that the relationship between the Demon Lord and the Demon Lord was similar to the relationship between the First Prince and the Third Prince. There was both open and secret strife. In summary, the relationship between the Mortal Demon Master and the Demon Lord was a brotherly relationship, but the specific background and plot needed to be further understood. While waiting for the TV series, he could also click on the link below to read the classic original work of " The Legend of Mortal Cultivation "!