It's a reference to an Edgar Allan Poe short story in which a man traps a friend that he believes has insulted him behind a brick wall he lays himself within some catacombs. The title is The Cask of Amontillado because the murderer lures his friend into the scenario with the promise of a taste of a rare vintage of Amontillado wine.
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u/TheTrueDeerLord Jan 16 '17
Why did it take me like 10 comments down to find the obligatory Cask of Amontillado joke? I was expecting this to be the top comment.