The Box is a Hell of isolation, claustrophobia and imprisonment. Where you will find many who fear tight spaces.
The 5757h layer of the Infinite Abyss. A land of charred black metal and the stench of ever-burning flesh.
"Are you crazy? There ain’t no such thing. It’s all fairy tales for the stupid and desperate. Even if it were, they all say it’s cursed or something. Get back to work."
The Moaning Lands of the Dead and Dying. Many foul creatures of undeath roam here and seek living flesh, no one is quite sure what happened to this large desert island. Maybe you could unlock the mystery and free the tormented.
A cult's theology is binding on the god involved: it is possible for that god to believe (and see, just like Winston Smith in 1984) that other gods are mythical, or jumped-up demons, or failing older spirits, even while those gods actually exist and thrive and act in the cosmos, even while working against him.