The Forgotten Lands
Not much is known about the Forgotten lands, little over 500 years ago a cataclysmic event happened that turn it into the land of the dead. What caused it no one knows, but the Great Empire that once lay there, with its millions of citizens, is now gone. The only thing known is that the Empire was vastly ahead in its magic research and crafting of magic items, which sometimes show when Adventures return from the deeper parts,
What remains is a land of black and gray, all color is gone, and there is Miasma everywhere. In some places there is so much that one can see it with one's own eyes, without using any tools or magic. The only safe haven in the lands is where one of the World Trees lies, the area around the tree is still green and full of life, and its Divine protection ensures that no monsters can get close. Because of this protection, a city have sprung up around the tree, a midway point for Adventures who wants to go into the deepest parts of the Forgotten lands.
At the edge of the forgotten lands lies two cities. They were once the Fortresses protecting the Empire but after the event hit, all life in the cities faded away just like everywhere else. The two cities names are Black Heaven which is to the south at the coast and The Black Gate. The two cities are now home to Adventures that want to go into the forgotten lands, but each city also has over 150.000 solders patrolling the Black Wall, making sure the monsters doesn't get past it.