The air was scorching the deeper Lu Yizhou went. His robe clung to his skin uncomfortably and a few times, droplets of perspiration almost got into his eyes. Lu Yizhou blinked it away and picked up his pace, almost flying across the narrowing cave. When his arm inadvertently brushed against the rough wall, a sizzling sound rang out in an instant, courtesy to his outer robe which was burned to ashes from the mere touch.