"Senior, I'm willing to learn this body-tempering technique."
Chen Changming cupped his fists toward the white-haired old man and said with a genial smile, his eyes brimming with anticipation.
The white-haired old man's expression turned grave as he said solemnly, "This technique is quite profound and places a heavy burden on the heart. If you feel that you cannot cultivate it, stop immediately—do not force yourself. On the path of cultivation, haste makes waste."
A heavy burden on the heart?
Chen Changming blinked, a strange glint flashing through his eyes.
Could the body-tempering technique this mad old man was teaching him have something in common with the Ancient Demon Clan's Undying Demon Heart Art?
Were both cultivated through the heart?
The Undying Demon Heart Art he had obtained in the Human Realm was precisely a demonic secret art that stimulated the body's potential by tempering the heart.
If this mad old man's technique followed the same path, then it truly was a perfect coincidence.
"Rest assured, Senior. If anything feels wrong, I'll stop cultivating immediately!"
Chen Changming said in a deep, earnest voice.
The white-haired old man nodded and vigilantly glanced around.
Only after confirming that there were no footsteps in the passage and no patrolling members of the Law Enforcement Hall did he finally relax.
Then, he stretched one hand through the prison bars and lowered his voice. "A law should not pass through six ears. Give me a blank Jade Slip."
Chen Changming took a blank Jade Slip from his Storage Ring and handed it over.
The white-haired old man accepted the Jade Slip, closed his eyes, and sent his divine sense into it, imprinting that supposedly "rudimentary" body-tempering technique within.
His brows knitted slightly, as though he were recalling something, and only after a moment did he