Lin Feng's body felt as if it had been electrified, and he stood there in a daze. He watched as the stone wall slowly closed, and the silhouette of Old North disappeared.,"This is the martial art Old Empty cultivated," Lin Feng's gaze flickered. It seemed that Old Empty had refined the first move, "Slaying Shadow," and combined it with his unique shadow Wuhen, making it truly powerful.,The pure essence of heaven and earth contained within the Essence Stone can be directly absorbed by those at the Spirit Martial realm, enhancing their cultivation efficiency. It is extremely precious.。