Returning to Earth as a God Man

He, once disappeared for eight years. But no one expected that he had traveled to another world and cultivated for eight thousand years! He, eloped with the wealthy heiress. But no one expected that while eloping with the heiress, he casually wiped out a major immortal cultivation clan. He, is looking for his sister. But no one expected that in the process of finding his sister, he simultaneously overturned all the major forces on Earth. He can refine pills, he can fight, if anyone provokes him...