I agree, excellent work. I kinda like them both. Maybe we could have variation in Dragon species?
I have an idea. What about a weakness in the dragon's scale? Or a certain type of dragon's scale? I have no idea how the whole headshot thing works, but if we could use that to make a weakspot in the dragon's scale, that could add a bit of originality to it. For instance, you shoot an arrow and it hits the center of it's chest, boom, headshot, does extra damage. Perhaps you could change the name as well, for instance, you hit that spot and instead of saying headshot, you could say critical hit? Just a suggestion.