“ For the people of Kuboloth, hell is not in the depths of the earth but in the cold of the windy air;heaven is in the warmth of the earth, lit by glowing jewels.”
“ While it is within your purview to write long-spanning histories of your world, it is largely unnecessary. If you are running an RPG, do this instead: make a bullet point list of important events that affect the world today, and mysteries that people still don't know. Let these fuel your adventures.”
“ Village has a nearby natural substance that comes from the ground and burns well when lit. They use it only locally and try not to let the secret get out.”