He informed Sartarius that a bunch of cave orcs was about to attack Greyfell for taking revenge for their brother's death by the avatar previously.
The rune warrior took control over some of the order's knights and was ordered by Sartarius to repel the enemy attack.
The old man Darius was said to be a good friend of Rohen and Rohen might have told him where he was planning to go to. This starts the quest Darius the Cartographer.
- Keep in mind any merchant killed by the orcs at this time will never return so make sure to avoid casualties.