A lot of things are happening, and Beleth can't do much but watch them unfold. The bloodmage is killed, and she starts to think that maybe the worst of this is over. But then there's something being thrown at them, Bull's telling them to get down, and quite suddenly, she is down, and surrounded by a wall of qunari soldier. She feels like she ought to protest, because the idea of him getting hurt protecting her is incredibly unpleasant. But she's pretty sure he wouldn't move anyway.

His suggestion is a good one, though, and Beleth waits tensely, to hear either an explosion, or a confirmation that everything is safe.