Master Sword

The Master Sword is the primary weapon used by the protagonist Link in the Zelda franchise. It made its debut in The Legend of Zelda: A Link To The Past game and was necessary to acquire in order to complete the game. As explained in The Legend of Zelda: Skyward Sword, the blade was crafted by Hylia originally as the Goddess Sword, which was bathed in the three flames of the three goddesses, altering its shape and appearance, transforming it into the current Master Sword. In the franchise, it is mainly the weapon of choise that the protagonist uses to defeat the villain Ganon.

In the Smurf Me Up series, the Master Sword is found in the Lost Woods and retrieved by Link, who uses it to defeat Ganon once and for all.

External Link
The Master Sword at the Zelda Wiki.