Fantasy: I, the Prodigal Son, Am Actually the Weakest Clone

Mu Xuanyi, the strongest person in the world sea, in order to break through the shackles of cultivation, he took on thousands of avatars to understand the world of mortals and understand the great ways of the heavens. Some of them are geniuses, and some are true dragon emperors... But unexpectedly, something unexpected happened, and all the cultivated clones died, leaving only Mu Chen, the prodigal son with a shattered natural aura. As the last hope, what will happen to Mu Chen? (The introduction is short and weak, and the main text is more interesting)