The sound scared Xia Ming half to death. When he turned his head back, he inexplicably found that the old man had vanished.,This went on for about ten minutes, then he opened his eyes. At this point, the old man was gone.,"Congratulations to the host for obtaining the world's top technology, the All-powerful System. The system will do its best to answer any questions the host may have. Does the host have any questions"。