This is the conclusion to the Prophecies of Redemption Campaign. The characters have sojourned through mountains and lowlands to reach the forest in which the entrance to the demon lord’s citadel can be found.
But the Citadel is not what one could expect. Can the PCs find their way in and survive to tell the tale?
The devil's wind. Explains why people become crazy. They are caught up in this wind which steals their sanity which in turn feeds the wind. The wind is a leftover from when the air elementals banded together in a mass army at one point to attack the True Gods. The wind is leftover of their attack route and on the anniversary of the battle the wind sweeps through causing the madness.