An underground cave city that was shaped by mages who founded a magical order. The city is controlled by guilds. It's located "under the eye" and has deep veins of iron, and also is the last known location of legendary gem. Swordfighting is commonplace in the city and there's an important match due soon. They use a non physical currency, and have found ways to light their homes beneath the ground. A collector is about to hire a thief to acquire an artifact.