In the Dragon's Continent, the giant dragon dominates the heavens, dominates the world, and has the power of life and death over the human race. A young mafia boss on the earth was betrayed by his subordinates. His soul pierced through the body of Ning Qi, the thirteenth son of the champion Hou in the Dragon Continent, the Qin and Tang Empires, and activated the strongest dragon slaying system, changing his destiny ever since. With the dragon-slaying knife on his shoulder and the swords of the gods in his hand, he slays the enemy and slays the dragon, crushing the Three Realms. The children of the aristocratic family, the genius of the sect, and the strong man of the dragon clan, all with one move!