Possible Clues:

• ... if not overthrown, Charles le roi will imprison this group
• Threatening words worried lessee? There's nothing odd in that
• "You better do what I say!"
• A threatening alternative
• Menacing words that follow demand for compliance
• Vague conclusion to a threat
• "... and you know what happens if you don't!"
• 'I'm warning you!'
• Unnamed alternative
• “...and you don’t want to cross me!”