Chaos Heart

"Yes, all precisely as written in the Dark Prognosticus! Already it is unleashed! The Chaos Heart!"

- Count Bleck

The Chaos Heart is a dark source of power from Super Paper Mario. It looks like a giant Pure Heart colored gray and black. Strangely, the Chaos Heart's appearance seems to change slightly after Luigi stomps on it during the opening: it changes to the form seen on the right. As predicted in the Dark Prognosticus, the Chaos Heart was unleashed by the marriage of a monstrous king and a pure princess, used to create an interdimensional rift known as The Void, which would engulf all dimensions. The Chaos Heart can only be destroyed by killing either the controller, or by another similar marriage formed by true love. The Chaos Heart makes the controller invincible, so without the Pure Hearts to counter its power, defeating a controller of the Chaos Heart is impossible.

The Chaos Heart was first controlled by Count Bleck, who wanted to destroy all worlds and create new ones out of inconsolable heartbreak due to the disappearance of his love, Lady Timpani (although in actuality, Bleck intended to make the destruction irreversible in large part due to the aforementioned inconsolable heartbreak). The Chaos Heart would soon be overridden and banished by the power of the Pure Hearts, closing The Void and saving the universe from destruction.

After the four heroes defeat Count Bleck, Dimentio appears and takes control of the Chaos Heart. Having brainwashed Luigi earlier, the two of them merge with the Chaos Heart in order to form Super Dimentio. Luigi was the ideal host for the Chaos Heart, so the Chaos Heart's power was magnified to proportions far larger than its power when Count Bleck wielded it. However, in the end, it is still defeated by the power of the Pure Hearts and the three remaining heroes. Afterwards Bleck and Tippi used love (in other words their own marriage) to destroy the Chaos Heart and stop the Void from causing more chaos.

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