General Sargas Ruk is the Grineer boss of the Saturn system. The head of one of the Grineer Artifact extraction projects, Sargas Ruk was targeted by the Lotus for annexing Tenno-controlled dig sites. Ruk enjoys Grineer augmentation, even going as far as replacing the lower part of his right arm with a massive flamethrower and his normal vision with a single augmentation in the center of his helmet. Ruk is fought in the mission Tethys, Saturn. After defeating him and finishing the mission, the pl