A theme in The Cask of Amontillado is revenge. Montresor explains that he was deeply hurt and offended by Fortunato. Montresor does not simply say that he will take revenge on Fortunato, but he has “sworn” revenge. This shows the commitment Montresor has towards his revenge. His revenge consists of a carefully crafted plan that will end Fortunato's life. His careful fabrication plan demonstrates the obsession Montresor has with revenge. Montresor's need for revenge is so strong that he is willing to end the life of someone he calls "dear Fortunato" and "friend". Revenge can also play an important role in the Montresor family. We can make this hypothesis by reading the family motto "No one provokes me with impunity" and also "the foot crushes a snake whose fangs are stuck in the heel". The above quotes demonstrate that the Montresor family will take revenge on anyone who causes any form of harm and distress to their family. Betrayal is a powerful driving force for the Montresor family. At the beginning of the story, the state of Montresor...