"Well, I understand, brother Tianao, I know how to do it." Yang Tianlei said in a deep voice with an imperceptible flash of appreciation in his eyes. He could feel from Yang Tianao's tone that his words were completely from the heart. With these words, he also eliminated the only trace of concern in Yang Tianlei's heart.

"That's good. If you have any problems in cultivation, you can also come to me. Practice, and I'll go back to practice."

"HMM." Yang Tianlei answered and sent Yang Tianao out of the door. Then he returned to the room and slowly sat cross legged on the bed.

At this time, Yang Tianlei had just eaten the tonic food of zhankong sword sect. Although he didn't have a good time, he was full of strength. His hunger for a few days completely disappeared. Instead, he had endless energy and had a strong desire for cultivation.

Yang Tianlei didn't relax at all during this time. He spent almost all his time on cultivation at night, which can be said to take much more time than quenching skin membrane, muscles and bones.

But to Yang Tianlei's surprise, although the internal organs have been completely quenched, they still can't reach the state of filling and perfection. They can be filled every time they practice, but as long as they stop,