They expected the reduced map to be a mess that couldn't be made sense of in three-dimensions so they projected something that could be rotated in four. Even with that built-in, it's a headache and a puzzle.

After they make sense of it, it seems like anywhere farther along the coast as well as anywhere far enough away from it is inaccessible, and the effect is such that returning where you came from works, but trying to advance will invariably get you turned around.

"How do you even power something like this?"

"Same way you power the storm, I'd guess."

"Yeah, but this should be at least a couple of orders of magnitude greater than the storm."

"...no, not really, you've slept in my tent, space manipulation isn't extremely expensive."

"Oh, right. ...I wonder if I am using intuitions about sorcery despite forgetting everything about it."

"That's actually plausible, I don't think I had time to put much thought into the memory spell."

"Do you remember the details?"

"I don't remember even a tiny bit of it."

"Maybe it can be something that can be fixed through Galatea magic? Or sorcery? Or, eventually, eclipsed magic?"

"Eclipsed magic?"

"...did I ever even explain Elsewhere properly to you? Well, there's another world with a kind of magic that some people get on the total lunar eclipse—they only have one moon, those are much more common—closest to their twelfth birthday."

"Oooh, do you think it works if people from outside the world go there?"

"No idea. It was one of the things we were going to check eventually, but carefully."

"Anyway, we need to break this effect somehow."

"I suppose the anti-magic ward that Temperance used isn't strong enough?"

"...maybe? Like, the magic itself is what's folding the space, it's not the space itself. I'm not sure the anti-magic ward could reach wherever the source of the... effect... is..."

"Maybe try to make a way for the ward to get in?"

"What do you mean?"

"A space distortion on top of the space distortion...?"

"I'm not sure that makes sense, though. As far as we can observe, that's just what space is, trying to get through it is like trying to go in a fourth direction."

"I meant creating a space distortion of our own so we can go through this space distortion and negate whatever spell or artifact is causing this."

"It's probably some artifact causing it," Temperance says.

"Why?"

"Creating a space distortion of our own wouldn't work, because we can only work with the space we have and it's already distorted. But Temperance has a point, yeah, this kind of effect is much easier to do with artefacts because they're... anchored, sorta? Like, the tent folds space inside itself, because its edges are a well-defined limit to the effect."