The words in the passage above that the author uses to evoke the mood of the story are "retribution" and "avenger"
This excerpt from "The Cask of Amontillado" by Edgar Allan Poe, shows how Montresor describes his real feelings towards Fortunato and how after many years of dealing with pain and humiliations, he will make him pay for it, the words "retribution" and "avenger" represent this feeling and the posture that he has in the story.
