The mechanism was started and it rumbled. He Danggui sensed the ground was shaking. She almost fell so she reached out unconsciously to try to grab something but she failed. With the light coming from the crevices, she found where Xue Xiao and she were standing was just a square iron board about one zhang wide. Outside of it, there was only darkness. She couldn't figure out how deep it was but just thought it looked like the big mouth of a ferocious and greedy ...