“ The heroes find the crumbling, overgrown ruins of what appears to be some sort of grand dining hall in the forest. Deciding that it is a good place to camp, the set up a fire in the center. However, they are woken in the night to see skeletons waltzing in the moonlight to organ music that emanates from the open air. The skeletons touch nobody, dancing around them all night.”
“ Feral teenagers:
Teenagers who run away from home to live in the wilderness may become feral. As they become more and more feral, they gain some supernatural powers (a la Peter Pan - ability to fly, things they imagine come true - possibly quite powerful), but at the expense of their humanity and ability to speak, comprehend complex subjects, etc. Maybe they have a leader: the most feral of them all.
A regression into a fantasy childlike state.”
“ A traditionalist nation that scorns ranged combat is famed for its innovations in body armor and shields capable of blocking all kinds of projectiles and withstanding explosions. The purpose of this armor is to allow one to get close enough to an enemy for melee combat. Conversely it is also famed for its innovations in melee weapons capable of destroying all kinds of body armor and shields to effectively defeat its enemies.”