“Right, that makes more sense. Guns are one of those things we shouldn’t do, anyway. Well, we can keep this simple. One of my mentors always said almost every way of generating power consistently used water to make something spin, and you already have coal-fired steam engines. Oil or gas might require too much infrastructure. Reflector arrays can make solar power without messing around with photovoltaics. Aside from boilers… Stirlings should be easy. If you use magic to make something hot, does it stay hot?”