After the quartermaster went out, Li Yan suddenly felt the breath in his body, could not help but let out a bitter smile, as long as the teacher stood around, he would feel the breath suffer stagnation. At that moment, he was at peace with himself and stopped thinking about it! The quartermaster had previously told him that the copper furnace had about an hour to allow him to cultivate each time it burned, and he could not afford to lose time. Quickly walk to the copper furnace, after standing a pile posture, Li Yan will reach his hands into the green and black gas above the copper basin, while silently running the mouth technique of the heart. At once those wrapped in the hands outside the green and black gas like a traction, divided into ten strands of black silk to its fingertips a

