C398 Inverse Nine Days

Liu Cheng looked at Doctor Mo with a face full of shock. He quickly asked, "Could it be that this strange energy within my body is called 'Inverse Nine Heavens'?"

Doctor Mo looked at him and nodded, "That's right, it's the Inverse Nine Heavens!"

"What exactly is this thing?" It can actually engulf the energy in my body endlessly! " Liu Cheng asked with a frown on his face