By combining different crystals you can create these special charms:

Orange Charm

This charm automatically boosts Hard to Please Harwood score to a guaranteed 10!

How?

Combine 1 small yellow and 1 large red crystal (or vice versa).

 

Black Charm

This charm creates a black fish that possesses the unique abilities of other fish. It can enter and exit the water like Finlay and multiply into four copies like The Brothers, making it an incredibly versatile and captivating charm during gameplay.

How?

Combine 2 black crystals!