An Expedition to the Deep is the main quest of A Tale of Orzammar DLC for Dragon Age: Origins. An Expedition to the Deep A mysterious dwarven nobleman has contracted you to make your way into the ruins of a ruined thaig in search of information regarding a lost artifact. He hasn't told you much about it, but his coin appears to be good. When you're ready to proceed to the Deep Roads, come back to your benefactor and let him know.