After waking up after sleeping for several epochs, Ye Xuan found that there was a trace of aura that did not belong to the original universe on the planet he pinched. That breath came from higher up. It turns out that the universe is not unique. There are layers upon layers of realms, and there is a sky beyond the sky. Having been invincible for too long, he finally found something that still interested him - go up and have a look.
