With My Incredible Understanding, I Am Parasitized by Many Great Emperors?

It has been a hundred years since Su Han traveled to the fantasy world. He is a person with no system, no background, and no talent. After working hard for most of his life, he became a disciple of the Taichu Sect who guards the cemetery. He thought that his life was over, but when he was about to lie down, he was bound to the "Comprehension Defying Heaven" system, and there were some strange souls in the sea of ​​​​consciousness. Like other children of luck, there is an "grandpa" in my sea of ​​​​consciousness. What is different from other children of luck is that my sea of ​​​​consciousness refreshes an old man every week! These "grandfathers" kept saying "nine worlds in the world" and "I am the Emperor of Heaven". They kept saying: "Learn from me, that is the right way!" .... On a certain continent, the Human Emperor Lin Xiao was in retreat. Bite! [The 'Waste Material Transformation Plan' invites you to join! The next second, Lin Xiao came to a world of consciousness, and saw several souls whose auras were not weaker than his own, arguing and doubting life. "No? Is he really a loser? He learned the skills I taught him in just a few breaths?" "Haha, your technique is too extreme, so let me practice it!" "What the hell is this waste material??" Su Han, who had comprehended the supreme immortal magic overnight, asked tentatively: "Senior, am I progressing too slowly?" "Ahem... Well, it's not too slow. Next, I have to teach the real thing!"