At that moment, a brilliant white light pierced through the dense darkness before them. Although the darkness surged like a tide, the beam of light stood firm, unwavering like the sun through the ages.,Even with Lu Jiangxian's Qi condensed and focused, he could still vaguely see a grayish-green mirror lying quietly at the bottom of the river. It was covered with various colored stones, and several fish were foraging at the bottom...,"Apart from emitting light, I haven't discovered any other uses."。