So the party had the job of sneaking into the enemy army camp and getting their plans of attack. Given a map of the camp, the party planned to take control of one of the outer edge scouting group camps and then sneak in. The party snuck up on the camp. From 500 feet away they could see that there were 3 guards. One was waving around a torch every few minutes while looking left and then right. The player/character correctly discerned that they were sending signals to adjacent scout camps. Oh, and there was a guard dog. Sneaking closer to the camp, they found the mechanism for the scout camps to work so effectively. Every 20 feet or so, there was an item that was alarmed (per the spell) in the tall pine forest. The party contemplated climbing over (radius = 20 feet), but ultimately Khalil talked Ali (catfolk monk) into getting into a bag of holding for "the climb". He then dimension door'd and "let the cat out of the bag", so to speak...
Chronicles of an Elder GM Running, Hacking, and Sharing Advice on TTRPGs