The Cask of Amontillado

There was irony defined in the story, which was verbal irony that involves saying one thing but meaning total opposite thing. And it was when a person caught in a violent rainstorm and saying, "Glorious weather for a stroll!" However we know that he did say that on purpose about the climate condition. Also the story was set in the early evening in Italian city during a carnival, and the narration(point of view) is using first-person.
Adding onto the part, there is themes in the story and it's revenge in a way Fortunato had been against with offenses and insult to Montresor.