“ 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.”
“ Elven Light Horse - a lithe and small animal well suited to the forest home of the elves. It has semi-cloven hooves, a longer tail, like that common to unicorn illustrations, and always a snow white pelt. Lives inthe forest, able to stand on back legs to crop leaves from the lower branches of trees. Shy and easily frightened, but at peace when around elves.”
“ The PCs encounter an elaborate trap room, designed to fill with water, drowning those inside. Clever and resourceful, they disable the trap and move on.
Only later do they discover that this room is part of the elaborate cooling system that prevents beasts of elemental fire from overrunning the complex. While the fiery beasts run rampant, they begin setting fires, which causes the complex to become increasingly hot and smoke-filled. Additionally, the PCs now have to fight their way out past aggressive fire creatures...”