For your pleasure and entertainment, here we present, thirty fiendlings seasoned with a whiff of brimstone, teasingly clad in shadow, accompanied by tunes played on pipes of angel-bone; likewise do we tell of the gifts they might bestow upon one in their favor.
So get them before Hell freezes over!
A large river that is continuously covered in a thick layer of fog. There will be either a rope ferry to get across or possibly a boat that is rowed across by worshippers of the water elementals. It is very thick fog to the point where it even muffles voices even at close range and visibility even beyond a foot is almost impossible.