C749 The Soul Demon of Profound Yin Fortress

"What is this?"

With a calm expression, Xiao Yan took the crystal from Yin Cang's hand. He didn't care about it at all. His heart, however, was in turmoil. This thing was indeed one of the fragments of the Star Sky Tablet. However, when he had obtained the fragment earlier, the other fragments had never trembled like this before. This thing in front of him seemed to be extraordinary