Return to Earth to be a God

Return to Earth to be a God manga summary:

He had been missing for eight years. But no one thought that he had traveled to another world and cultivated for eight thousand years! After returning to the earth, he looked for his sister, but no one thought that he had overturned all the major forces on the earth at the same time while looking for his sister! He could make alchemy and fight, and if someone provoked him, he would be dead!