Carbuncle

"A fairy who loves to eat Force Jewels (and has a huge appetite)."

- Description, Sonic Shuffle

Carbuncle (カーバンクル) is an object that appears in Sonic Shuffle. It is a Force Jewel that contains a fairy that consumes other Force Jewels the player holds. It is a purple-colored Force Jewel.

Description
A Carbuncle is one of the many Force Jewels that contain a fairy inside, which is said to have a big appetite. The fairy is said to love eating Force Jewels. Carbuncles will work without permission of the player, as it will automatically eat another Force Jewel at unknown times.