That is the true issue with this place. How would they know if they lost anything? Memories were fluid anyway, with some many that people forgot until a smell or a voice or something of the sort triggered them to surface once more.

"Do the people who are from these worlds keep their memories?" Frowning as he asks that, though Seth makes a sound. "God, I hope nothing from our world ever shows up here. No one needs to deal with that." With them.