All That Glitters

 is a random encounter in Magikarp Jump.

Dialogue
Event Trigger Text: You're on fire! It'd be a waste to stop training now. Let's swim all the way back home!

''Hrmm? What's that glittering thing that's drifted in here?''

''It might be something valuable! ...Or it might be some kind of lure meant to fish up a sucker.''

Results
If you decide to snag the glittering thing, it has a 50% chance to succeed.