In the Dragon Continent, dragons rule supreme, dominating the world and holding the power of life and death over humans. A once-famous figure from Earth, betrayed by his subordinates, is reborn into the body of Ning Qi, the thirteenth son of the Champion Marquis in the Qin Tang Empire. He activates the Strongest Dragon Slaying System, changing his destiny. Shouldering the Dragon Slaying Knife and wielding the Godsword, he slays enemies and dragons, crushing the Three Realms. Whether they are descendants of prominent families, geniuses from sects, or powerful dragons, he defeats them all with a single move! "Damn it, who else dares to challenge me!"