God-level system to teach the heavens

Cross the ten thousand realms and enlighten the heavens! Xiao Tian accidentally obtained the Saint Master System of Ten Thousand Realms, and he was out of control since then. "You said Yang Guo?" "I remember teaching him a few tricks at the beginning, and I don't know how he is doing now." "You said Lin Jingyu?" "Of course I remember, the talent is pretty good, barely qualified to be accepted by me. As a disciple." "Emperor Ruthless?" "Of course I am familiar with it. This is my fullest...