What?

[ Damn, that's right. It won't be so easy as just packing up and going... ]

Ah, yes, of course. You're right. Let us warn them!

[ Except, yanno, about that. The hissing of released gasses fills the room and Archer moves to raise his cane as if ready to fight his way out, even as he notices what's really happening. ]

This isn't—I see, I see. It appears to be some kind of... knockout gas...