Most everyone on this network, save for the people you already know, are from different worlds. Mine...well, it's difficult to explain. I imagine it is some version of Earth. A bit more advanced than this version. And you'll find many people from their own versions of Earth as well -- each with a bit of a unique twist.

[ Shaking her head. ]

As for the barrier's strength. Well, I cannot personally say. But the only thing the porter has brought through has been...well, I don't want to say people per se, since there are some different creatures, robots, and talking animals. But intelligent beings, I suppose. Never entire entities.