A mineral responsible for refrigeration, arctic landscapes, and hot springs across the world.
Part of my series on pseudo-magical world building
An elemental substance of tremendous purity and power.
Historicly, we have had plenty of rl groups like the Taliban and the Puritans who supressed anything which was in any way fun. What if there was some group that was the opposite? (which in time would cause problems of it's own for the civilians under their control.)