Orem's Exilarchy Sword was a magic weapon crafted for him by the Exilarchy of Cogs. It was able to upgrade itself as Orem's skill with it increased. Orem used the Exilarchy Sword almost exclusively from the time he received it during Four Against the Void, through a Celestial Crusade, and until it was destroyed by Spud during the events of Lords of the Feywild. Using it, Orem developed the sword wizardry discipline.
The Exilarchy Sword began as a parrying longsword