One Sword Seals the Dragon

Continents collided thousands of years ago, racial wars, wilderness and civilization, and the peace that was exchanged for centuries of war. But it was broken because of the appearance of the black dragon. An ordinary boy, multiple stunt partners, sealing the dragon with one sword, what he gets in exchange is a new peace, or a cruel truth. The frost forest and the dark land, the golden summit of the Black Mountain and the Netherworld Palace, where the race originated, what exactly is cultivation, the shocking conspiracy or the sacrifice of oneself to save the world, all are sealed with one sword.