Caliburn (カリバーン, Karibān) is the sword that King Arthur pulled from the stone to become king. While she wielded it for many years and favored it above all other weapons, it was destroyed in a battle where she broke the rules of chivalry, and replaced by the more famous Excalibur.
Powers and Stats
Tier: 6-C, higher with normal blast. High 6-C with overloaded blast
Name: Caliburn: Golden Sword of the Victorious
Origin: Fate/stay night
Classification: Noble Phantasm, Magic Sword
Powers and Abilities: Energy Projection
Attack Potency: Island level (Dependent on the strength of its wielder. Was able to cut into Berserker's body, slicing through God Hand with Artoria and Shirou as the wielders), higher with the normal blast. Large Island level with an overloaded blast (By releasing its True Name, it showcases an output of light on a similar scale to Excalibur, killing Berserker seven times over).
Speed: None, Massively Hypersonic with blast
Durability: Island level (Can withstand the force behind its swings, but would likely be destroyed by a release on Excalibur's level).
Range: Extended melee range, Kilometers with blast.
Weaknesses: It is not as durable as Excalibur and releasing its full power will likely destroy it.