Montresor manipulates Fortunato's love for wine by enticing him with the promise of a rare and valuable cask of Amontillado. Montresor knows that Fortunato prides himself on his knowledge and appreciation of fine wines, so he uses this knowledge to lure Fortunato into the catacombs under the guise of tasting the Amontillado. By appealing to Fortunato's weakness for wine, Montresor is able to lead him to his doom without arousing suspicion. Throughout the story, Fortunato's obsession with the wine serves as a driving force behind his actions, ultimately leading to his tragic fate.
