The Game Master's Book of Random Encounters: Variant Castles
2020 / Roleplaying game mini adventure / 2+ players
Most of the suggested traps and denizens were too grim or mundane for our magical friendship pony game, but this helped me to come up with some rooms to expand our prefabricated module, and I loved the idea of letting the dice decide what was on the other side of each door, that's a keeper.
