What are examples of his depiction of the sadistic mind in The Cask of Amontillado?

In "The Cask of Amontillado," Montresor's cunning and manipulative nature, combined with his deliberate planning of Fortunato's demise, illustrate a sadistic mind. Montresor's enjoyment of Fortunato's suffering, as well as his meticulous execution of the murder while maintaining a facade of friendship, further exemplifies the sadistic portrayal in the story. Additionally, the way Montresor relishes the revenge and anticipates Fortunato's Horror and despair adds to the depiction of a sadistic character.