Reward and Responsibility is a quest in Dragon's Dogma
You get it from Aldous in the Duke's Audience Chamber in Gran Soren
He tells you that Duke Edmun wants you to lead an expedition.
Contents
Objectives
Make for the Duke's Solar
In recognition of your deeds, Duke Edmun has asked you to head up an expedition. Visit his Grace afore you depart.
Details
Speak with Duke Edmun in his solar, on the castle's second level.
Walkthrough
Follow the Duke to the Treasury.
Duke Edmun uses his Wyrmking's Ring to open a chest.
There is a item: Paladin's Mantle inside.
Loot everything in the room, there is also going to be lots of gold here.
Note: If during the quest The Wyrmking's Ring you handed over a fake ring, the king will not be able to open the chest. You can come back to the castle at night and sneak into the treasury and open the chest yourself.[1]