If you'd like, I can provide a ("Gods & Monsters") to see how this cliffhanger resolves, or I can list more specific quotes from the confrontation between Bonnie and Damon. Let me know which you'd prefer!

Having inherited Rayna’s "Hunter" status, Bonnie’s subconscious creates nightmares where she kills her friends. She refuses to wake up because she knows that once she does, she will be compelled to murder every vampire she loves.

succeeds by being deliberately antagonistic; he taunts Bonnie about her death and his desire to see Elena again, provoking her to wake up just to kill him.