I, the Great Xia Dragon Slayer, have incredible understanding!

Story of: I, the Great Xia Dragon Slayer, have incredible understanding!In the world after the spiritual energy is revived, alien beasts are watching outside the city fortress, and supernatural powers, alchemy, technology, and martial arts coexist in the world.Gu Xiu, whose mental strength is astonishing, chose the most difficult martial arts and began to comprehend god-level martial arts!Many years later, when he chopped off the head of the first-generation dragon with one knife and looked at the setting sun like blood, he still thought of the time when he was eighteen years old.For the first time, he knew that there was an ancient dragon hidden under the city that should have been extinct long ago.