One item by this name is stolen by Nasir and given to Ena, eventually making its way to Ashnard. That artifact, also known as Lehran's Medallion, is carried by Mist, and another artifact by this name is the Stone of Rausten, 
One item by this name is stolen by Nasir and given to Ena, eventually making its way to Ashnard. That artifact, also known as Lehran's Medallion, is carried by Mist, and another artifact by this name is the Stone of Rausten, which was used to seal away the Demon King by twin monarchs of Renais, Ephraim and Eirika. Yet another artifact by this name is used to anoint the monarch of Bern, and must be retrieved by Eliwood long before it is used to unlock the Sword of Seals. For ten points, give the common name of this artifact, which in one instance was retrieved by Ike, and gives its name to the series of games starring Roy and Marth.
One item by this name is stolen by Nasir and given to Ena, eventually making its way to Ashnard.
{Fire Emblem} [Accept {Lehran’s Medallion} before mentioned]