It's not like we can ask about it and get a real answer. Judy is very unhelpful about that kind of thing...but then, they're in charge of her, so that's not surprising?

[ she shakes her head. ]

Bigby woke up when he got a sword stabbed through his body. He reacted accordingly. At least he heard that guy say something weird before he died...but really, I think all of us would have killed someone who woke us in that manner, given the nature of this place.