Crius or Krios was one of Titan god, son of Uranus (sky) and Gaea (earth). Crius was god of mastery, leadership and the constellation. Led by Cronus, the brothers conspire againrt their father and prepared an ambush for him as he descended to lie with Gaea (earth). Crius, Coeus, Hyperion, and Iapetos were posted at four corner of the world where they seized hold of Uranus (sky) and held him firm, while Cronus, hidden in the centre, castrated Uranus with a sickle.
Crius married Eurybai, daughter of Gaea (earth) and Pontus (sea), and became by her the father of Astraios, Pallas, and Perses.