-Dungeons/secret rooms (The grave that Montresor makes for Fortunato) "Within the wall thus exposed by the displacing of the bones,we perceived a still interior crypt or recess...for no especial use.." (Poe 5)
No one attacks me without impunity.
-Emotional (M is jealous and isolated while everyone likes Fortunato) "We will go back; you are rich, respected, admired, beloved; you are happy,as once I was." (Poe 3)
There is some sort of... DECAY
Montresor is strong willed and is determined to be even with Fortunato. "The thousand injuries of Fortunato I had borne as I best could, but when he ventured upon insult I vowed revenge." (Poe 1)
-Ancient curses (Montresor is verbally cursing Fortunato yet Fortunato doesn't even know.) "Nemo me impune lacessit" (Poe 4)
-Decay (a formerly great family) "The Montresors. I replied were a great and numerous family" (Poe 3)
-Unexplained Manifestations ( Fortunato instantly becoming sober) "I had secretly laid the first tier of the masonry when I discovered the intoxication of Fortunato had in a great measure worn off." (Poe 6)