side-quest-ish and open-ended to be sure.
A recently re-discovered odd treatise
In the chosen families, the son was always more dangerous than the father.
As long as a hundred spears and longer, the weapon must be hoisted!
The Sneel are causing trouble again.
Not quite Science Fiction…
Someone wants Prince Philoj dead. Or?
Wherever the PCs have gone recently, they have heard the talk. The Doomsday Machine of Toothless Amalgam has stopped spitting out birdseed. The End is nigh.
Shadows gather…and linger.
The Age of Vog…The Unending Winter of Discontent, The Epoch of Smoke and Ash.
Everyone can think of a favorite song or two (or three) which can easily be translated into a fantasy rpg concept, be it an item, plot, location, or what have you. Just take the lyrics of your favorite real-life ditty, and go from there!
With regard to the plot "Sleeping Mines of Elathon":
You manage to get the water wheel in the mine working which operates a pump to clear the flooded lower levels. As you explore the dank tunnels of the lower galleries, you can hear the creaking of the wheel above. You enter a low-ceilinged passage and are crawling on your backs, when the creaking stops. The water starts seeping wetly around the back of your head...