The Underdark , also known as Deepearth , the Lightless Lands , the Night Below , or the Realms Below , was the enormous system of subterranean caves, caverns, and tunnels located beneath the surface of Abeir-Toril .
This website uses cookies and other tracking technologies for
functional and analytical purposes.
To improve your browsing experience on our site,
we would also like to place tracking cookies.
