C1530 Great Test of Intelligence

The white-bearded old man was startled, he couldn't help but walk towards one of the stone pillars, then he took another step forward. When the middle-aged man at the side saw this, he hurriedly said, "Hurry up and retreat, you can't — —" Before he could finish his sentence, the white-bearded old man had already let out a muffled groan, and was heavily rebounded back by an irresistible force