Cullen reads over the letter in a quick scan, most of his attention still on what Dorian is saying rather than the contents. "That is disturbing news. Are any of them active in or around Kirkwall?" He glances up at him, then, setting the letter down.

"That we know of, of course." There's always a chance they could be undiscovered. Cults are notoriously good at disguising their activities in this city until it's too late.

He wonders if this means they're about to lose him in pursuit of this new threat. If so, he could hardly blame him. That's something dealing with his homeland, something that could impact people he knows and cares about. Cullen has known for a while they won't be keeping him here forever.