Treasure of the God Emperor

Hundreds of millions of years ago, the entire universe was still in endless darkness. At that time, a strange man held a glowing golden sword and struck it towards the center of the universe! After bursts of loud noises, light and darkness began to alternate. Light appeared in the universe, and some creatures appeared for the first time. I don't know how many years have passed, but this strange man finally passed away, but the legend of his life made people have to give him the title "Emperor"! And he is also the only holder of the imperial title in the universe for hundreds of millions of years. As time goes by, although the God-Emperor has passed away, the sword he left behind and the essence of his life have still not been discovered. As time passed, martial arts began to flourish, and people began to frantically search for the treasures he left behind...