Rina gives Josephine a glare. "Watch your tongue when you speak of our traditions." She didn't stretch the threat out any longer than that. With most people, she might've, but this was a Priscus. She got a kind, not as threatening, threat. For now.
Rina's eyes turn to Regan, returning his look. "Do you know of one?" Why was he looking at her, she wondered. She didn't know the sewer system. That was faaar out of her area of expertise. Rina stabbed people, or, in this case, beat them over the head with a blunt instrument. "Why? In fact, what is the mission?" No information had been given to Rina except that she should show up. For all she knew, this might have been Regan's strange way of asking her to the policeman's ball.
A nod is given to the others as they arrive, except Twist. Twist receives a full bow, and a "It is a pleasure to see you, Your Grace. Thank you for providing your assistance on such short notice." The look she gives the rest makes it perfectly clear they should thank her too. She was there as a favor, she had no real obligations to show up.