Navigation: I Make Weapons in the Pirate World

The time traveler Xiao Cheng uses the system to build guns and cannons in the pirate world. Devil Fruit VS Modern Weapons Kizaru: Have you ever seen a light speed kick? Xiaocheng: Have you ever seen a close-in defense gun with 30,000 rounds per second? Kaido: I have the strongest defense Xiaocheng: I don't know how many missiles you can withstand. When the mushroom cloud rises from the Red Earth Continent, Akainu understands that human beings are wise, the Five Old Stars can serve tea and pour water, and Yinmu can also dance in the Pure Land of Paradise. Everyone: I don't know what's going on, but that mushroom cloud feels familiar? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.