Quote Originally Posted by Tirian-Hammerfist View Post
A desert could be a great way to make the border of the zone not too physically obvious - instead of a low wall, what about environmental attrition (like the Forochel ice bay)? The desert could stretch off as far as we could see in the distance and we could get some way towards it, but then our characters start to suffer from heatstroke and can't go any further. Then, when/if they expand that way, it is a handy narrative device that our characters find a way of adapting to the heat!