The other parts of his physical body had already reached the early fifth layer stage of the *Nine Revolutions Golden Body Art*, but his two knees were still stuck at the initial stage of the early fifth layer.
With no other choice, Ning Chen began to slowly condense his spiritual power and physical strength, setting out to temper his two knees in order to advance his physical body toward a minor perfection.
Somewhere in the depths of his consciousness, Ning Chen had a strong intuition: if he wanted to reach the highest realm of the *Nine Revolutions Golden Body Art*, he absolutely had to temper the physical body of every single stage to at least a state of minor perfection.
Chapter 286