Antares (Greek, "[holds] against Ares"), aka Alpha Scorpii, is a red super-giant star in the Milky Way galaxy and the 16th brightest star in the night sky. Along with Aldebaran, Spica, and Regulus, it is one of the four brightest stars near the ecliptic. It is the brightest star in the constellation of Scorpius (aka Scorpio), and has a radius 800 times that of the sun. Antares is about 600 light-years from our solar system.
In Stregheria religion, Antares is a fallen angel and guardian of the western gate.