Crowley nodded to the waitress and watched her walk off, before pulling out a new package of dice. He unwrapped them slowly, for Watson to see- pointless, considering he could fix the game, no matter what dice he used. But still, it seemed to help keep up a feel or normality, which he was guessing the good Doctor might need, with everything going on around him.
"About the matter of what to bet- just what were you willing to put forward tonight? Not to be crude- simply for the start of the game?" In more ways than one- at least in Crowley's mind.