[That's another name he hasn't heard before, and Ren hums in faint interest.] Khalo? I don't think I've heard anyone mention that one yet...

[Maybe he missed it, but the two main cities the dragon ended up frozen over seemed to be the main topics of conversation. Maybe Khalo slipped through the cracks somehow.]

It sounds a bit like Nadril wants to keep its secrets from any comers. A magical barrier is amazing and all, but some people aren't affected as much. But days of hiking through snow...even strong people would have trouble with that, right?