Oasis of Ahil-Tar Side Quests

The Riddle in the Desert:

This quest starts with a man who is standing next to the Commander in the main tent:

Now go Northeast to find the Unkempt Sorcerer:

Speak with him:

If you choose the wrong urn 3  monsters will attack you, this will fail the quest but they sometimes will be unique and give okay drops and pretty good exp.:

If you choose the correct urn the Unkempt Sorcerer will give you a rune as a reward and if you break all the rest of the urns afterward you can sometimes get a few additional runes from them. Also a key will drop from the urn, which isn't good for anything except selling it for gold or keeping it for the novelty of the item.

This is the CORRECT urn and the Key:

If you choose to break the correct urn speak with the Unkempt Sorcerer for your reward: