Heaven-Defying Divine Emperor

[Genius + a great emperor reborn + quietly invincible] "I will expend five hundred years of my lifespan to defy heaven and send you into reincarnation. Within a hundred years, you must merge the five elements of heaven and earth. Otherwise, my soul will be destroyed, heaven and earth will collapse, and all living beings will perish!" That day, thunder descended from the heavens. For hundreds of miles in every direction, thunder roared as a jade scroll slowly fell from the sky. The cries of a newborn boy heralded the start of the hundred-year countdown...