What incident did the Cask of wine play in revenge? "The cask of Amontillado"

Ok its been a long time since ive read this little story but basically he used it as bait to lead the dude down his wine cellar/ crypt. Basically said hey dude wanna come in my basement to taste this really good vintage wine and the other dude was like sure dude ya. Anyway dude 1 knocks him  out and hides him in a hole in that basement and put up a brickwall so he ded

Explanation:

greywater is gently used water from your bathroom sinks, showers, tubs, and washing machines. it is not water that has come into contact with feces, either from the toilet or from washing diapers. greywater may contain traces of dirt, food, grease, hair, and certain household cleaning products.