I Can Have Infinite Epiphany

With vigor and courage, Xiao Yun, a young man with a mortal body, and with the help of the Epiphany System. But why did the Great Emperor know him a million years ago!? Why did he leave notes in the future!? What is the true origin of the enlightenment system!? All parallel worlds will face a great crisis, and the only savior is the boy from Earth summoned by the gods!