[Oh. Oh no. You're getting her going on a history lesson.]

Well, it's not that it was restricted so much as physically unreachable. About a thousand years ago, around the time of the War of the Monster's Fall, a barrier went up around the part of my world I come from. The barrier only recently came down, finally making exploration beyond the barrier lands possible. There's a pretty big difference between there and home because of the cut-off.