In fact, the slaves in this mine are not only from the Xuan Tian Sect, but also from some small families and minor sects.,Qi Xue Dan is a very low-level elixir. It's not an aid for opening the acupoints, but to open the acupoints, one must have ample qi and blood. Although Qi Xue Dan is low-level, it's just right for someone like Lu Ye who hasn't opened their acupoints.,In the mine shafts, people died every day. Every few steps you could see a skeleton scattered on the ground.。