Dis
Dis is the official title for the City of Pain that principally comprises the second layer of Baator. The name is used interchangeably to refer to the city or to the layer (as it is often difficult to distinguish the two).
"Life" in Dis
Ruled by Dispater, Dis is a sprawling, blackened wasteland of iron, smoke, and impossible heat. Like much of the Nine Hells, space is warped here, making its exact size impossible to quantify (and rendering it effectively infinite). Structures within the city may be perpetually "a block away" without the proper deals in place with local devils to facilitate reaching that final block.
The skies are a filthy green when they are visible at all through the smoke that rises from everywhere along the streets. Black mountains consume much of the distance in any direction, although it is unclear whether these are physical geography, mirage, or otherwise.
The air is filled with an acrid stench and the constant screams of those being forced to build and rebuild the city with their bare hands. This is a place where evil lives on the Prime are asymmetrically punished for an eternity.
Important Landmarks
Two of the most infamous structures are The Sithen Citadel and the Iron Tower, from which Dispater rules his domain with a dark combination of paranoia and impunity.
Those able to bargain their way into the Tower's halls are ushered into an enormous line of petitioners seeking all manner of boons from the mighty Lord of the Second. These range from the release of individual tormented souls to promotion into privileged ranks within the devil forces in The Blood War (and many other things beside).
Tourism
Ya know... Not a whole lot, really.
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