jamba heart
A series of evil, purple hearts featured in Kirby Star Allies. After a failed attempt by Hyness to break the heart-like seal containing Void Termina, pieces of it scattered across the galaxy. Some of them landed in Planet Popstar, taking over the minds of Whispy Woods, King Dedede, and Meta Knight.
At the end of Heroes in Another Dimension, a giant Jamba Heart will appear. It is promptly broken by the four spears gathered through the campaign, revealing a now corrupt Hyness sealed inside.

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