Claíomh Solais

"____, on of the kings of the ___; in legend, the sword glowed with the light and was irresistible in battle, having the power to cut all enemies in half."

The sword has been regarded as a legacy to the god-slaying weapons of mythology by certain scholars, the other items (as seen by Keres in a vision granted by a True Sight visison_ associated with it being: as cauldron, a spear, and a stone.