Is there an Underdark in the Forgotten Realms?

While the Underdark of the Forgotten Realms was growing and evolving throughout the 1990s, the idea of an Underdark was also becoming ubiquitous in other D&D settings—from Greyhawk to the caverns of The Illithiad sourcebook (1998), from the world of Birthright to the Labyrinth of Madness adventure (1995).

What was life like in the Underdark?

In addition to those dangers, the Underdark was also the home of many predators and often-hostile races, including aboleth, beholders, cloakers, derro, drow, duergar, dwarves, illithids, kuo-toa, driders, and svirfneblin. [citation needed] Plant life and animal life could be as varied underground as on the surface.

What is the Underdark in Dungeons & Dragons?

Under the surface of many Dungeons & Dragons worlds lies The Underdark , a vast underground world of tunnels, caverns, and fissures. The name originally comes from the Greyhawk and Forgotten Realms settings, but the idea of a dungeon that spans the entire planet is popular enough to show up in any campaign.

How many miles below the surface is the Underdark?

The first 3 miles (4.8 kilometers) below the surface. It was here where the surface dwellers and those in the Underdark most often met. Located 3​ to ​10 miles (4.8​ to ​16 kilometers) below the surface, this layer was where most of the Underdark cities were located.

What is the Underdark in the Elder Scrolls?

The Underdark was the vast network of underground caverns and tunnels underneath the surface of Abeir-Toril. It was home to a host of evil beings driven deep into the caverns at the end of the age of demons. [citation needed] Absence of light results in darkness.

Does the Underdark exist in Pathfinder?

Amongst D&D players, especially those familiar with the Forgotten Realms setting, the existence of the Underdark is well-known. This world beneath the surface has even made it into many other campaigns, and into Pathfinder-related content. I feel I must ask, since I cannot find an answer anywhere:

What is the difference between the upperdark and middledark?

The Upperdark, what normal people from the world above would call the caves and caverns underneath the ground, is the kind of place Dwarves and Drow would encounter one-another. The Middledark is the Underdark proper as we know it.