Haidoral Prime was a planet located in the Mid Rim region of the galaxy. Everi Chalis was the Imperial governor of the planet. It was the location of a conflict between the Rebel Alliance and the Galactic Empire during the Galactic Civil War. During the battle, Twilight Company captured Chalis and took her aboard their ship, the Thunderstrike. After that Everi Chalis became a source for the Rebel Alliance, sending Twilight Company into a campaign that would destroy the Galactic Empire's star destroyer facility.