Similar but downgrade version of system?

A man who is the strongest and has reach the peak in the celestial realm (a realm where cultivation is the norm) was not satisfied. Yes, he was not satisfied. He was born with a system that made him reach his current achievements. So how can he be satisfied? With this system he should be meant for something greater. He decided to cross the seemingly endless void that surround the celestial realm since the realms creation as he felt that there is a universe containing many realms out there. After storing everyone that was willing to risk dying to come with him in a space full of life that was created by the system for him within his soul he sets out to the void only to.....