The Grand Bazaar is not a city per se, but rather it is a ruin site in which traveling merchants decided to settle. The Grand Bazaar is seen by many as the gateway to the Sphinx Protectorate. Merchants and traders erect tents along a wide thoroughfare, smiths refit remnants of ancient buildings into forges, and mystics and entertainers rent stalls or pavilions from the wealthy patrons. High-quality goods, and equally high-quality forgeries are for sale to any who can pay the coin.
Having scarce more than a small band of peacekeepers, there was no chance to mount a meaningful opposition to the undead army. Survivors scattered in all directions, though the majority fled into the Berrosus Labrynth.