500 Coins?!

 is a random encounter in Magikarp Jump.

Dialogue
Event Trigger Text: Oh? Hold on. It looks like someone is heading this way.

Man of Mystery: Hello there! Have I got a deal for you!

I'll let you have a swell, super jumper of a Magikarp for just 500 Coins!

What do you say?

Mayor Karp: YOU THERE!

How many times have I told that scoundrel not to try sellin' Magikarp in my town?!

Magikarp are meant to be raised with love and care! We don't buy or sell 'em for profit 'round these parts!

Results
Your Magikarp could really feel how passionate Mayor Karp is about training! Its JP went up!