Legendary Sword

The Legendary Sword (伝説の剣) is one of the four Legendary Weapons. The person who possesses this weapon is called the "Sword Hero (剣の勇者)". It retains a blue gem at its center while undergoing transformations.

Owner
The current Sword Hero is Ren Amaki.

Powers
The Legendary Sword gives its user great offensive power and can evolve and transform to become stronger however the user cannot equip any other weapons. It has a special jewel in the middle which can transform the Sword under specific conditions.

Trivia

 * The order in which swords are unlocked affect the abilities gained by future swords.