The Keyblade is a weapon that is the replica of the X-Blade and has the power to fight the Darkness and free hearts. The Keyblade chooses it's wielder.
The keyblades were invented during the Keyblade War since people seeked Kingdom Hearts' light and the X-Blade. The war broke the X-Blade into twenty: Seven of light and thirteen of darkness. When the X-Blade broke, Kingdom Hearts was swallowed by darkness and worlds were split into many. The Keyblade is known as a protector of light or bringer of destruction.
|1st manga book:||Kingdom Hearts #1|
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