Bad
vendetta - A blood feud in which the family of a murdered person seeks vengeance on the murderer or the murderer's family

As the final act of his vendetta against Rugen, Inigo pulled out his sword and said, "Hello. My name is Inigo Montoya. You killed my father. Prepare to die."
tremor - A slight shaking movement, such as one caused by an earthquake or instability; also a subtle or faint sign of emotion, such as fear or excitement in the voice or body.

Because he was nervous, his voice had a significant tremor during the presentation.