Examples:

• You're going to pay dearly for what you've done.
• They are going to pay dearly for this one.
• No, but I'll make them pay dearly.
• You'll pay dearly for this!
• He must pay dearly for his crimes.
• I know I'll pay dearly.
• Careless behavior in this situation, you may pay dearly.
• Now, intruder, you'll pay dearly for what you've done.
• In your next life, you'll pay dearly for that.
• He shall pay dearly on the field of battle.