Well, the Maker wasn't here to say. But the Medicine Seller thought he might have a good idea. Whether the statement was rhetorical or not, he felt no reason not offer his own insight.

"Spirits are compelled by powerful emotions, yes? The history of this place is full of regret, that would draw them like moths to a flame. And here, the few people who could cross that barrier between planes were kept. It is a wonder it has endured at all."

The snake eating its own tail indeed.

The empty vial had since disappeared, likely into the recesses of his own voluminous sleeves.

"There is nothing left of them to bother," he said idly. Not even a bad smell - the rats had really picked them clean. And it seemed Wren was intent on picking them cleaner.

He took the coin, turning it over in his hand curiously.

"Ah. There is an inscription."

He squinted, trying to make it out through several years worth of tarnish and grime. Perhaps it would give some clue as to who the lovers were.