Ok so as i think of my characters and the types of weapons they will use and a few of the ones i wish to choose come from obvious cultures. My question is do you see a problem with using that weapons original name? Example having a character use a katana(not really going to happen in my book just an example). I am using alot of real world names for specific cultures. Like one character is Arashi. Its japanese and he is an elf though he is apart of one culture of elves that i have use japanese names.