Amden vor Keiodian was a male who served as a corporal in the Republic Army during the Galactic War between the Galactic Republic and the resurgent Sith Empire. In 3641 BBY, Keioidian was assigned to Sergeant Shanra Immel's squad and served with SpecForce Colonel Jace Malcom during a battle on Kalandis Seven, a desolate Inner Rim planet. During the course of the battle, Keioidian and the squad were tasked with the destruction of local Imperial controlled spaceport. On the way to the spaceport, Keioidian and the squad were attacked and he was wounded. Keioidian's sergeant activated his med tracer before ordering the squad to move out, leaving Keioidian behind dying from his wounds.