C672 Difficult Experiments(2)

With that thought in mind, Nangong Yu immediately put it into action. He took out his greatest passion and fiddled with the crystal white bone and the huge coffin board. He had never used the coffin board before. He did not know the situation, but he had used the Void Bone a few times. This was an evil bone, as if it had its own consciousness. Sometimes, he would move, but sometimes