How many ironies can you find in the story The Cask of Amontillado?

Some examples of irony in "The Cask of Amontillado" include the fact that Montresor acts as a friend to Fortunato while planning his murder, and Fortunato's insistence on being a wine connoisseur ultimately leads to his demise. Another layer of irony lies in the setting of a celebration during a carnival, where there is an atmosphere of joy and revelry juxtaposed with Montresor's dark intentions.