Possible Clues:

• Threatening ending
• Ominous ending
• Ultimatum concluder
• "... if you know what's good for you!"
• 'Otherwise, I might do something you'll regret!'
• "If that doesn't work ..."
• This sounds like a threat to disturb Rose hiding the Spanish
• Veiled threat
• "... because you don't want to cross me"
• Bully's final words