[ Ruby's pretending to be putting a great deal of focus on the patterns carved into Castiel's skin, but her eyes never entirely leave his face. He's watching her too, of course, but she's perfected this poker face over hundreds of years of practice when it comes to deception. How that stacks up to angelic scrutiny, she's not sure, but from the looks of it he's limited to a very mortal measure of perception.

His sensitivity to that light touch makes her smile, and she can tell that whole someone had a sense of style when it came to chaining him up like this, they were predictably brutish when it came to torture. Either that or they hadn't really started yet. She wouldn't put it past them to be of the type that would single-mindedly inflict pain over and over again until he broke. Not the most efficient or creative method, but it worked. Eventually.

At least on humans. As far as she's aware, they've never had the chance to practice on an angel. Regardless, she doesn't have hundreds of years to play around with this fascinating toy.

Her fingers continue that upward tend until they brush over his cheekbone, still soft and even sweet. This is how she plays her game. ]

I did save Sam's life while you were still hugging your clouds. Still, it must be hard to admit that a demon's good for something.

[ Now that she has his attention she casually flips the blade around until the point of it rests lightly against his stomach, and she drags it just as lightly up along the same path that her fingers took. ]

So you're not going to beg for help? Try to deal your way out of this? You're not doing a whole lot for me these days, and your pet human doesn't even know you're in trouble.

[ That's yet another reason for killing demons that know he's here. She might not want the boys charging in here to rescue him. ]