According to the Sacred Technique of Bone Tempering.
After certain tempering, white bones will turn into jade bones, and Gongye Lie is in this state.
In this state, the skeleton can be compared to high-quality spiritual treasures.
Blood originates from the marrow, and the change in skeleton will also initiate a change in blood, and at the same time, the physical body will become stronger.
This yellow paper contains a qi and blood technique on how to temper the skeleton.
"Junior apprentice brother, how is it?" Gongye Lie spoke after noticing Jiang Yuan return to his senses.
Jiang Yuan nodded: "Incredible!"
Gongye Lie laughed: "That's what I like to hear, these are the results of my life's work!"
"Moreover, jade bones should not be the final form. It should continue to be tempered."
"This secret method is my gift to you! I hope, in the future, you can reach a divine state."
Jiang Yuan bowed: "Thank you for this gift, senior apprentice brother."