Good answer, Severus Snape. Neither hostile, nor passive to an extent that would make Rodolphus want to kill for no real reason.
"Is that so? Hm." He turned his face slightly, the sharp angles of his profile catching the dim light, "Good. Perhaps I'll take you up on the offer sometime."
Dark eyes fell back on the other man's face, "Too many are unwilling, which is why I had to punish them, you see." He was referring to the kidnappings now. "Tut."