A Lazy Sword

As a sibling of the Great Dao, Mu Ran turned into his own sword because of his words? After hundreds of years of laziness, when you were about to go back, you accidentally discovered the son of your old friend? Why do I keep meeting the son of my old friend lately? Mu Ran looked at the four apprentices in front of him and said: Behind the four people, there seemed to be four figures standing tall...