"Wouldn't be much of a demon if I didn't get biblical from time to time."
This is too much fun and if there was ever a night where he needed all the fun he could get his hands on, this is it. He's not really looking for any other result than a flustered Captain Harkness and if Jack would actually take him up on this, chances are it'd turn to blows more than anything. Still... no harm. So far.
"How about it... why don't you stake me? I know you've always wanted to."