“The Cask of Amontillado” is a short story by Edgar Allan Poe in which the narrator, Montresor, describes his plan to seek revenge against a man named Fortunato. The story does not explicitly reveal the reason for Montresor’s hatred of Fortunato, but it provides several clues and hints that suggest possible motivations.

One possible reason for Montresor’s hatred of Fortunato is that he perceives Fortunato as being superior or condescending towards him. Throughout the story, Fortunato treats Montresor with a level of disdain, referring to him as “my dear Montresor” and implying that he is not as knowledgeable or sophisticated as Fortunato when it comes to matters of wine and spirits. This sense of superiority on Fortunato’s part may have contributed to Montresor’s feelings of resentment and anger.

Another possible reason for Montresor’s hatred of Fortunato is that he has been wronged or humiliated by him in some way. The story mentions that Fortunato has “ventured upon insult,” though it does not specify the nature of the insult. It is possible that Fortunato has said or done something to offend or disrespect Montresor, leading to a deep-seated grudge.

It is also possible that Montresor’s hatred of Fortunato is driven by a more personal or irrational reason. The story suggests that Montresor is mentally unbalanced and prone to fits of anger and revenge, and it is possible that his hatred of Fortunato is rooted in a deeper emotional issue.

Overall, the precise reason for Montresor’s hatred of Fortunato remains unclear, and it may be the result of a combination of factors. Regardless of the cause, however, it is clear that Montresor’s hatred is intense and deeply rooted, leading him to plan and execute a gruesome revenge against Fortunato.