"World, realm" he shrugs. "Realm is more accurate. Are you sure you don't have elves? They're easy to overlook. Because of the realms."

"Yeah, I see." He groans. "We need a blowtorch, but I think you're right. This has to be magic."

"Elves are pretty close but not immortal. Probably. They're pretty secretive. Any immortals keep to themselves. Or wander among us like you do." He'd be more inclined to sympathy and wondering what it's like to never stay in one place too long if he wasn't freezing even through the layers.