[@Rune_Alchemist]

I based the dragon types off of a book called Dracopedia:
[hider][img]https://i.ibb.co/Sr8fhzB/dracopedia-poster.jpg[/img][/hider]

So, to answer your question, there's a good bit of room to play with. Elemental dragons are completely fine.

[@Crowvette]
That's correct. Drones, androids, gadgets...all fair game.