Excalibur or Caliburn is the legendary sword of King Arthur, sometimes attributed with magical powers or associated with the rightful sovereignty of Great Britain. The sword was said to have been forged by the blood of seven dragons whom wielded fire that burned hotter then brimstone. The blade is capable of sensing the strength of those that grip its handle, and thus, determines whom is deemed worthy of using the power it holds. Excalibur was mainly used to combat malevolent dragons, whom terrorized kingdoms and villages to no end. Many dragons are fearful of the blade, for it is one of the few weapons on Earth that can truly kill them.
Throughout the centuries, the sword has been used by numerous kings, and after their deaths, their righteous souls were imbued within the blade itself. The last king to have used the blade was King Arthur himself. Excalibur's blade was engraved with phrases on opposite sides: "Take me up" and "Cast me away" (or similar). In addition, when Excalibur was first drawn, in the first battle testing Arthur's sovereignty, its blade blinded his enemies.
Excalibur's scabbard was said to have powers of its own. Loss of blood from injuries, for example, would not kill the bearer. In some tellings, wounds received by one wearing the scabbard did not bleed at all. The scabbard is stolen by Morgan le Fay in revenge for the death of her beloved Accolon and thrown into a lake, never to be found again.