The most treacherous 5'x5' space on earth is in my office. Some crazy lady got fired and they just now got around to cleaning her cubicle. The pics below are her office space after an hour of diligent cleaning. You can imagine the original disposition.
Incorporate this into your next dungeon and watch your players retire instantly.
What a mess!: The entire room is treated as hindering terrain. Also, creatures in this area have concealment.
Trap: Bowl of rotten food (CR 4). Has been festering for several months. Upon opening, characters within 30ft must succeed on a Fort Save (DC 20) or be nauseated for 1d6 hours.
Incongruent Philosophies: The walls of this room are plastered with a myriad of demotivational anecdotal cartoons, watered down Christian philosophy, random quotable phrases, and pictures of long-dead pets. Understanding the beliefs of the inhabitant requires a Decipher Script check (DC 30) which takes several minutes. It is likely that during this time you will be attacked by a...
Cockroach Swarm (CR 5)