Iuso, meaning "Disciple of Iusia" in Polaran, is the title taken by each leader of the Nil'kemorya caste. Iuso commands an upgraded Nil'kimas Raven . In fact, this is the only Raven that appears outside of the Polaris Storyline . This Raven is equipped with five Capacitor Pulse Lasers , five Manta Bays with thirteen Mantas , an EMP Torpedo tube with twenty five torpedoes, two Etheric Wake Missile Launchers with fifty missiles, four Polaron Multi-Torpedo Launchers with eighty torpedoes, a Nil'kemorya jammer, and a Polaris sensor boost.