Chapter 513: Refining Oneself

ned unchanged and undiscovered!"Qin Sang followed forward, and upon seeing the scene before him, his face paled slightly. He gave a dry chuckle and said, "Senior, you wouldn't be thinking of crossing...tes to the bone marrow. The cultivation technique is too domineering. While demon races are born with strong physiques and can endure it, it's quite difficult for humans. Without a strong willpower,...