Urban Sword Style

Don't you see, the heroes in the world have white hair, and the demons outside the wall are fighting in the sky. If you don't see me, the magic soldiers in the desert will travel thousands of miles, and the martial arts in the Central Plains will wither. Every generation of heroes has a dream, and in the dream the mystery is greater than the dragon. There are always rivers and lakes, and there are alliance leaders from generation to generation. How will the Central Plains martial arts survive the catastrophe when it reaches the 21st century?