From D&D Wiki
Theonosis is a universal fantasy setting primarily developed at Theonosis.com. It is universal in that any fantasy setting whatsoever can be placed there, with details like the rarity of magic varying due to the influence of gods and other powerful entities. Regions of Theonosis can be set aside for collaborative role-playing games, novels or any other project you like.
The god Modroben is an important feature of the Theonosis universe. Known primarily as a God of Death, Modroben is the only god worshiped throughout the world and in all of its associated planes and alternate dimensions. His followers, known as Soulclaine, are commonplace and have a exalted, feared, respected and pitied position in society.