Sword Realm of the Void

At sixteen, he carried an empty scabbard at his waist. There was no sword inside. But within the scabbard dwelled a lazy, sarcastic voice that called itself "Emperor Ruyan." His heart was empty of Dao, yet he could see through everyone's techniques. He used others' sword intent to practice his own false sword. Some said he was "rejected by the Great Dao." The empty scabbard said, "An empty heart can also attain the Dao."