 There are wonders far greater than a few floating skyscrapers in Amhalat, you see. And one of these is the ability to bridge the distances between possibilities, what we would call universes. Anyone can do it, but almost no one tries. That is because due to a quirk of space-time, the only world that people in Amhalat can reach is our own. And why would anyone from this glorious place want to come anywhere near our benighted hellscape?