Mystery (disambiguation)

The name Mystery is used to refer to several different items in the Kingdom Hearts series:

The material type from Kingdom Hearts, also called "Serenity" or "Hungry".
The key item from Kingdom Hearts.
The Gear which provides the set of persona weapons in Kingdom Hearts 358/2 Days.
The key item from Kingdom Hearts Re:coded.
The Magical Mystery track introduced in Kingdom Hearts II.
The Heart of Mystery track introduced in Kingdom Hearts III.
The chapter in the Kingdom Hearts II manga.

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