Caledvwlch

Caledvwlch is Arthur’s sword: a prized possession he specifically reserves from a sweeping promise of gifts, a weapon used in the seizure of Diwrnach Wyddel’s cauldron, and an emblem of royal authority whose drawn blade stills a confused host. Its appearances link material force to the display and exercise of kingship.

A Reserved Possession

When Culhwch asks Arthur for a boon, Arthur promises to grant whatever he names, setting only a short list of exceptions. Caledvwlch is among them, alongside Arthur’s ship, mantle, lance, shield, dagger, and wife. The sword’s place in this reservation marks it as no ordinary gift: even within a pledge framed to encompass nearly everything under the sun, it remains beyond the petitioner’s claim.

That reservation also gives the sword a role before it is drawn or used. Arthur’s willingness to make an expansive promise is qualified by the protection of certain possessions, and Caledvwlch stands among the objects that define the limits of his generosity. Its importance is established through what Arthur will not give away.

The Raid for Diwrnach’s Cauldron

Caledvwlch becomes an active weapon during Arthur’s expedition to Ireland to take Diwrnach Wyddel’s cauldron. After Diwrnach refuses to surrender it, Bedwyr seizes the cauldron and places it on the back of Hygwyd, while Llenlleawg Wyddel takes Caledvwlch and brandishes it. Arthur’s men kill Diwrnach and his company; when the Irish fight back, they are driven off, and Arthur’s party carries the cauldron, filled with Irish money, back to its ship.

The sword’s part in this episode is direct but distinct from Bedwyr’s handling of the prize: Bedwyr takes possession of the cauldron, while Llenlleawg wields Caledvwlch in the violence that secures it. The object thus moves from protected royal property to an instrument in an armed seizure, helping turn a failed demand into a successful raid.

Royal Display in Battle

In a separate scene, Arthur’s sword is borne by Kadwr, Earl of Cornwall, whose duty is to arm the king on days of battle and warfare. The blade bears the likeness of two serpents in gold. When it is drawn from its scabbard, two flames seem to burst from the serpents’ jaws, and the sword is so wondrous that it is difficult to look upon.

Its appearance changes the scene around it: the host falls silent and the tumult ceases. Kadwr then returns to the tent. The sword is not merely presented as a weapon capable of physical violence; its striking ornament and effect on those who see it make it a visible sign of Arthur’s martial authority. Set beside its practical use in Ireland and its guarded status in Arthur’s promise, this display gives Caledvwlch three connected functions: treasured possession, weapon, and emblem of kingship.