There are wizards and witches all over the world.

[He's giving him more of a sidelong glance now. Why is none of this making any sense?

And as to magic, well. Lucius woke up unfortunately without his wand. He presumes the ones that captured him must have taken it. As far as he knows all he needs is to get it back, though, or some sort of replacement.

He doesn't realize his powers simply won't work at all in this place.]

All our communities are well-hidden however. It's the nature of things. Legally required, as a matter of fact.