[Riku happens to overhear the conversation and casually inserts himself into it. He's already heard a few stories about the Uvis and had a similar question himself, one that he answered himself by looking around.]

They don't seem to have much here to defend themselves with. Their weapons are mostly knives and clubs, things that can easily be made but are not the most effective. Why they don't use their technology to make better weapons is something you'll have to ask them.