Caliburn

Caliburn, also known as Collbrande, is one of the four Holy Swords and is known as the Holy King Sword and the Sword in the Stone.

Summary
The Caliburn/Collbrande is the Sword in the Stone that chooses the King in the legend of King Arthur. It is one of the two Holy Swords wielded by the Legendary King of Heroes, King Arthur Pendragon, of Camelot. The strongest Holy Sword, the Caliburn is the only Holy Sword to not be kept under the control of the Church or Heaven after the Great War but by the Pendragon family. The Caliburn is currently wielded by Arthur Pendragon of the Khaos Brigade's Vali Team who is the descendant of the original King Arthur.

Abilities
The Caliburn can generate a massive amount of Holy Power that surpassess even that of Durandal and is capable of ripping through space. In fact, it is powerful enough to be known as the Ultimate Holy Sword.