In Edgar Allan Poe’s “The Cask of Amontillado,” the literary device of foreshadowing is used when Montresor tells Fortunato
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that he has a rare and valuable cask of Amontillado wine in his catacombs. This foreshadows Fortunato's fate, as he is lured into the catacombs under the pretense of tasting the wine, only to be trapped and ultimately buried alive by Montresor. The mention of the cask of Amontillado wine early in the story serves as a subtle hint at the dark and sinister events that will unfold later on.