City of Brass

Floating amid the Elemental Plane of Fire, the City of Brass was the epicenter of efreet culture and was the place from where the Sultan of the Efreet ruled.
Hovering in the hottest areas of the Plane of Fire, the City of Brass sat in an enormous hemisphere of brass some 40 miles (64,000 meters) across. A curtain of beaten brass surrounded the entire city, stretching for hundreds of miles and giving the city its name. However, since the brass hemisphere gave the city its ability to fly, (albeit slowly,) these impressive walls were typically unmanned. Throughout the cosmopolitan city, the dangerous fire effects of the Elemental Plane of Fire were suppressed by the will of the Grand Sultan in an effort to foster more interplanar trade. Despite this, the city itself had a hindering effect on those of good alignment, due partly to the nature of the efreet but also to the numerous connecting portals with the Nine Hells.
Surrounding the city itself were large tracts, known as the Obsidian Fields, used for the cultivation of the exotic crops that inhabited the plane of fire. Examples included qamah, habbat, verdobba, umbelin, tergamit, and fireweed.There were also areas for slaves to mine tin, copper, and diamonds for their efreeti masters.

Law & Order Although the streets of the city were bustling with trade and crammed with crowds during the day, by night a strict curfew was enforced by the Illuminated. All shops were shut up and all citizens returned to their homes, else they faced arrest, the loss of a hand, or even death.
Slaves were obligated to bear bracelets that displayed their servitude and who their master was at all times. It was common for visitors to the city to become slaves by defaulting on borrowed money. In addition, this servitude could be extended by additional offenses that could add days or even years to their thralldom

Maps

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  The City of Brass

  

  
  Floating amid the Elemental Plane of Fire, the City of Brass was the epicenter of efreet culture and was the place from where the Sultan of the Efreet ruled.
  Hovering in the hottest areas of the Plane of Fire, the City of Brass sat in an enormous hemisphere of brass some 40 miles (64,000 meters) across. A curtain of beaten brass surrounded the entire city, stretching for hundreds of miles and giving the city its name. However, since the brass hemisphere gave the city its ability to fly, (albeit slowly,) these impressive walls were typically unmanned. Throughout the cosmopolitan city, the dangerous fire effects of the Elemental Plane of Fire were suppressed by the will of the Grand Sultan in an effort to foster more interplanar trade. Despite this, the city itself had a hindering effect on those of good alignment, due partly to the nature of the efreet but also to the numerous connecting portals with the Nine Hells.
  Surrounding the city itself were large tracts, known as the Obsidian Fields, used for the cultivation of the exotic crops that inhabited the plane of fire. Examples included qamah, habbat, verdobba, umbelin, tergamit, and fireweed.There were also areas for slaves to mine tin, copper, and diamonds for their efreeti masters.
  
  Law & Order Although the streets of the city were bustling with trade and crammed with crowds during the day, by night a strict curfew was enforced by the Illuminated. All shops were shut up and all citizens returned to their homes, else they faced arrest, the loss of a hand, or even death.
  Slaves were obligated to bear bracelets that displayed their servitude and who their master was at all times. It was common for visitors to the city to become slaves by defaulting on borrowed money. In addition, this servitude could be extended by additional offenses that could add days or even years to their thralldom