What Happens in Pentos?

Dorn, the southernmost region of the continent of westrose, is an independent kingdom. The triarchy could link up with dorn and now you'd have this threatening alliance right on the doorstep of the realm. It's interesting to see damon over in pentos, where that is a city state that would be very threatened by te rise of the triarke. Yet he seems threatened that pentose a magister is indeed talking about that.