byAt regular intervals, a god takes control of your world's weather. Choose the gods at random each turn of the interval and begin applying their effects subtly. Their power will depend on the strength of those who worship them.
For civilised people, worship of a god actually wanes during that god's month in an effort to reduce their potential destructive effect.
Ideas - System
October 23, 2014
“ 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.”
“ The village sits on the edge of the deep fjord, often engulfed in mist or rain. Its people are fishermen, who work even through the sea-ravaging winter. And they pray to the gods of the deep. At the beginning of every winter they hold a summoning ceremony. Three boats are taken out into the fjord, a hornsman on each. The mournful horns are blown in the language of the whales, the gods of the deep. The whales sometimes appear in answer to these calls, and it is taken as a good omen when they do. To a party of PCs wandering the misty hills and valleys nearby however, the doleful whalesong of the horns can be disturbing and misinterpreted...”
“ The small coastal town of Her-Desh has vanished - the bay where it once stood is now unspoiled countryside. Moreover, the locals claim to have never heard of the place. Perhaps the Priests of the local Temple can shed some light on the mystery...”