C578 The Dragon Bone Altar

"Master, is this really a dragon bone?"

Mr. Kung couldn't help but be puzzled as he looked at the huge black rock-like object in front of him.

Mr. Kung's original name was Kung Zizai, and he could be considered a native cultivator of the Yin Realm. He did not know much about the Yang Realm, and did not have much sense of belonging. In fact