Su Xuan wakes up one day to find he can travel through countless worlds and has awakened a simulation system, allowing him to endlessly simulate his future life. In the Great Zhou world, a Daoist Lord sweeps across the world, ruling for sixty years, his name passed down for three thousand years. In the Great Yan world, an emperor exhausts the world's resources, forging an endless Great Wall, repelling the northern barbarian hordes, and slaying ninety-six great demon kings. In the Starry Sky world, a mythical being traverses the boundless universe, his divine fire burning for tens of thousands of years, treating stars as playthings, immortal and invincible. In the Primordial world, a Saint speaks with heavenly mandate, plotting heaven and earth, unparalleled, severing the river of time, playing against the Dao Ancestor. Traveling through countless worlds, Su Xuan discovers...