There's terminology he doesn't understand. Something about the context of 'healing blades' does not sound like 'scalpel', but now might not be the best time to ask. Sometimes prying for information like that within the first ten minutes of meeting someone really does go awry..

"Ah, it's good you have a friend with you. I am told it makes things simpler." He works on his drink, looking thoughtful. "It isn't as terrible as it may seem at first. The more people from a world arrive, the more from that world seem to follow, and then you may all go on adventures together."