There Is an Infinite Arsenal in Another World

This is the story of a time traveler named Xia Qiu who accidentally traveled to a different world. The level of development of this world is very low, and it is still in an era when cold weapons are prevalent. However, this world is very large and has a large population. The difference is that this world also has different races, elves, monster girls, dwarves, etc. But fortunately, Xia Qiu has a golden finger, an arsenal that can produce all kinds of modern and modern weapons every day... Let's see how Xia Qiu flourishes in a different world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.