Elfblade

Elfblade refers to three specific magical swords created by Elven High Magic by spellcasters from the Elven Court in -4000 DR. The three swords, the Ruler's Blade (the Ar'Cor'Kerym), and the two Defenders' Blades, the Warblade, and the Artblade are wielded by the rulers of Cormanthyr and used to determine who is worthy of such responsibility by the ancient ritual of blade-rite.

History
In -4000 DR, Coronal Oacenth of Jhyrennstar fell ill, and his fever proved incurable. As a prophet of Labelas Enoreth, he spoke the famous words that would prove to one day unite the elves under the great Kingdom of Cormanthyr:

"If we are to survive as is the Peoples' right, one Coronal must vow to unify the tribes of this great land. One Coronal must unify sun and moon, sky and sea, earth, tree, and root, and his promise to all is long-lasting peace and strength in unity.""

At the Coronal's wish, young clansmen worked to prove their mettle, from which three candidates emerged, and these candidates were given the newly forged Elfblades to mark their rulership. As Kahvoerm Irithyl drew the Ruler's Blade, he became ruler of Semberholme, Jhyrennstar, and Elven Court, which later became Cormanthyr.

The three blades were each used to erect one of the towers in Castle Cormanthor, creating the permanent domiciles of the rules in the Rule Tower, the War Tower, and the Art Tower.