for each... have them go thru a door which locks behind them. there he finds a 5 foot hallway and a very strong smell of bleach when suddenly the door starts moving towards the end of the hallway... pushing the dirtbag over an edge and into a large, wet, cement bowl. a click would be heard, a dull rolling sound... then he sees it. a 100 ton concrete ball 20 foot across rolling down the shaft faster and faster. by the time it gets to him, the ball is moving well over 100 mph... at which point there’d be a scream, crunch, squish, and whir as the auto sprayers turn on rinsing the dirtbags goo down the drains, resetting the chamber.
Gee, all I thought about is being drawn and quartered with helicopters.