There was a kind of strange stone in the Bone Sacred Mountain that contained the essence of heaven and earth.

Li Mu followed the three of them through the zigzagged tunnel in the mine and headed for the depth of the Bone Sacred Mountain.

No one knew how many years the mine had been explored. There were old and new traces of mining. It was unknown for how long people had been mining it. The deeper they went in, the more prominent the new traces were, and the narrower ...