You can still catch people with the old "You didn't find any traps". There's a terrifying amount of people who don't pay attention to the *You* part.

*Takes notes*

*Takes your notes* *flees*

> traps Dude, trap is not the preferred nomenclature.

On the one hand, it's fun to fuck with players. "So you enter the room? Cross the threshold of your own free will? Ok who's wearing metal?" when none of that matters, but you write it down anyway. On the other, sometimes I've had to be like "ok guys seriously there's no traps here. Put away the ten foot pole and chickens let's just move along"

I like to randomly ask if they wanna move stuff stealthily, even when there is no one to find them

I'm a simple man. I see Rogue One, I upvote.

I killed an unrelated NPC that witnessed me because my DM did that once.

I would do random dice rolls behind the screen.

> Roll perception. 10? *You* are sure there's no traps.

Shapeshifters! *rocks fall and snooggums dies*

And they opposite, when they ask to roll perfection or investigation when it doesn't matter at all and the improv'ed answer turns into a major plot point