A slight wrinkle of confusion for the invocation of timelines. It doesn't quite make sense, but it's the sort of thing she might ask Holden to explain. Later. Perhaps when they ride back into Kirkwall, and they are all in need of conversation that isn't about the strangeness of this place.

"Why?" she asks. "Is he gone, in your world?"

Gone.

A very careful way of treading around the possibility that his brother is dead.