MaesterThere's different types?
Myth WeaverJust because you can do something for no other reason doesn't mean you should. If you're worried about readers wondering about a certain detail, as the OP expressed, then the detail should serve a story purpose.
Of course, you can put anything you wish in your stories. That's every author's prerogative. It is only my opinion that every concept the author chooses to illustrate,should serve a purpose or be cut.
Auror