"I already know you're not an immortal," Czes says smugly. "Not like I am, anyway."

Of course, maybe since Bucky has a knife in his hand he should tone down the smug factor a little. This is the kind of thing that's gotten him horribly murdered in the past, to be honest.

"I'll admit I'm curious, though. About what we have in common." He's entertaining the idea of Bucky being a homunculus or something similar.