The planes with some element of good in their nature are called the Upper Planes.
Celestial creatures such as angels and pegasi dwell in the Upper Planes.
Planes with some element of evil are the Lower Planes.
Fiends such as demons and devils dwell in the Lower Planes..
The Dungeons & Dragons cosmology as reflected in Planescape consists of a number of planes, which can be divided into the following regions:
The cosmology is usually presented as a series of concentric circles, with alternating spatial and transitive planes; from the center outwards, they are ordered as follows:
An early diagram of the World Tree cosmology.
The World Tree cosmology model was outlined in the Year of Wild Magic, 1372 DR, and quickly became the most widely accepted model during those tumultuous times, supplanting the Great Wheel cosmology.
The Great Wheel cosmology model from 1 st, 2 nd, 3 rd (core D&D), and 5 th editions.
Tymora 's realm, The Quarter of the Great Wheel, located on the plane of Brightwater in the World Tree cosmology model.
