When Su Xuan woke up, he found that he could travel through the heavens and worlds, and he awakened the simulation system, which could simulate his future life infinitely. , looking up to the heavens and the earth, unparalleled in ancient and modern times. Great Flame World: There are emperors who rule the world, forge the endless Great Wall, guard against wild beasts in the north, and kill ninety-six great demon kings, with immeasurable merit. The fire of the gods will never go out for thousands of years, regard the stars as playthings, never grow old and never die, and the whole world is silent... ...... Prehistoric world: There are sages who contain the constitution of heaven, seek the heavens and the earth, are immeasurable and incomparable, cut off the long river of time, and play against each other The ancestor of Taoism, revered by all ages. Traveling through the heavens and worlds, Su Xuan suddenly found that the eternal invincibility he was looking for had already been stepped on under his feet.