The Fortress of Bile

The Bilious Fort:
Said to have been founded in the Age of Myth by the mythical figure Kon, this fort lies eastwards in a dangerous swamp, filled not only with the living bones of the dead and the walking corpses of fresh adventurers, but also with witches, mutated spiders and slithering plague slimes.

The current inhabitants of the fortress are lunatics, worshipers of Kon, whom they believe to have ascended to Godhood, and that he became God of plagues and disease. Champion of this foul god is Kon's Infested, a rotting human, who's also the chief priest of the cursed church of Kon; his right hand is Rotticus, a madman that aims to spread the worship not only of Kon, but of the whole Pantheon of Discord across all of the world. Other madmen are present, including a forsaken elf who cultivates the horrid plague garden and its plague trees, from which it is said the cultists drink the bile which gives the fort its name.

If one were to stumble upon the fort, he would be met with gigantic pus and moss infested walls, deterring anyone from coming in. No apparent entrance is present, as if the cultists had another way to enter in their putrid home.

Despite being completely insane and dangerous, the warband of Kon has been relatively peaceful, allying itself with the New Golden Empire, the mad King Stumor, and even the peaceful elves of Southrock. But maybe this is all a ruse, created by the dark apostle Rotticus to spread the faith of his dark gods across the world. Or maybe they're just insane nice people.