I'd say this is a little beyond "lost" if you haven't heard of any of these at all... Unless, perhaps, you come from a distant part of the world?

[IT'S... POSSIBLE....... maybe. He doesn't sound very convinced of his own theory, though. If anything, this guy is more suspicious now!! Some lunatic talking to his sword, who doesn't even know Europe!]

Have you been away from home for a very long time, perhaps?