Which excerpt from The Cask of Amontillado presents the reader with initial conflict story?

The initial conflict in "The Cask of Amontillado" is established in the very first sentence:

> "The thousand injuries of Fortunato I had borne as I best could; but when he ventured upon insult, I vowed revenge."

This line immediately introduces the narrator's deep-seated anger and resentment toward Fortunato, setting the stage for the vengeful plot that unfolds. This excerpt highlights the personal conflict between the narrator and Fortunato, fueled by years of perceived wrongs and a final, unforgivable insult.