Ok. Then, doing that, could you theoretically expand the area where AonDor functions, and then create another embassy, and so on?
The thought that I'm having right now is, "How was Elantris created in the first place?" Given the way the city powers the Elantrians, I'm vaguely certain that it had to come before any Elantrians existed; thus we might be able to mimic the conditions of its creation in other cities, thus expending AonDor's influence.
I think the key key here is that it would have to be an Arelonite *embassy,* meaning the culture is more prevalent there and the Connection to Arelon is spread, and a proper Rao Aon based on the city that the Embassy is near and the surrounding landscape. Thinking about it that way, I think we are then creating a whole new form on AonDor, not expanding the old one, so we don't need to be close to the original Elantris. If you're right, however, my first question still stands.
This is a HUGE question for Brandon, to be sure! One that I don't think is spoiler-y and is unlikely to be RAFO'd. Unless Arelon wants to expand its borders in the future.