Yeah, you don't have one of those. Nobody knows how to make them any more, so the ones that exist are from the time of the Egress. And they're all property of the King, who loans them to the people who go outside to repair the dome. Although... if anyone were going to have an illicit traversal suit, it would be your creator. The kind of stuff they got up to in their journals was nuts. You can easily imagine them wanting to investigate the structure in the waste land, since they didn't have angelic scrying yet back then. The problem is, there's only one room in the tower you haven't been in, and that's because you can't figure out how.