Situ Xin looked up, carefully observing the surroundings of the cave. She saw about a dozen luminous pearls embedded in the rock walls, each the size of half a basketball, but the dazzling light that she had seen earlier was not emitted by these pearls. Instead, it came from the variously colored, crystal-like bodies stacked around, which resembled small hills. At first glance, Situ Xin thought they were crystals or diamonds, but upon closer inspection, they were evidently not. Although they looked similar, these crystal stones were far more brilliant than diamonds or crystals. Moreover, they emitted a sparkling light even without any illumination.