“ A small, primitive village has yet to discover fire, which is a good thing because there are highly flammable (but not otherwise dangerous) gasses in the air. The heroes, blissful in their ignorance, don't know that and think it a wonderful idea to show the locals open flame.”
“ A Magical Hat that has only enough magic to stay on its wearers head, in spite of wind, falling, or even being turned upside down. The owner, never having to pick up his hat gains an extra swagger to his step, and a small boost to charisma.”