C302 Happiness Comes from the Heavens

Sun Bing couldn't help but frown and thought to himself. "What is this? How could it appear out of thin air?"

However, after discovering the evil aura that was faintly emitting from it, he finally nodded his head slowly. He had some guesses in his heart. It should be quite effective to use this to sharpen one's mind, right? Perhaps, he could even break through to the Sword Meaning