What narrative techniques are used in 'The Cask of Amontillado'?

The hook is knowing that Montresor plans on exacting the perfect revenge on Fortunato and reading further to see if he actually does it. Montresor states in the opening that a wrong is not avenged unless the avenger is not caught and that the person who committed the offense must know he is now paying for that offense. The reader gets hooked into continuing into the story to see if Montresor will actually commit the perfect crime and how he will do it.