C672 Secret Xin

Chen Tao noticed Tantai Yue's posture and immediately walked over, "Is the earth vein still down there?"

Tantai Yue did not give a definite answer but instead said in a deep voice, "This should be a formation used to lock the earth vein. These years, the Tai Chi Gragh Formation has been quiet and the earth vein has naturally been hidden."

"Moreover