Christian A: It's also metaphysically connected to every actual Fallen World city, and so the only real, actual, reliable way to bring it back is to unleash a truly gigantic alchemy/geomancy effect on every city there is that unites all of them into a single rebis-like entity/thing/place that turns out to be all these cities, at the same time.
Christian A:In the PC's dreams, that's a given; but it's also not a very helpful answer. It's also metaphysically connected to every actual Fallen World city, and so the only real, actual, reliable way to bring it back is to unleash a truly gigantic alchemy/geomancy effect on every city there is that unites all of them into a single rebis-like entity/thing/place that turns out to be all these cities, at the same time.