 Otanes discovered that Gaumata was an impostor, and along with six other Iranian nobles including Darius, created a plan to oust the pseudo-Bardiya.After killing the impostor along with his brother Patizeithes and other Magians, Darius was crowned king the following morning.The details regarding Darius' rise to power is generally acknowledged as forgery and was in reality used as a concealment of his overthrow and murder of Cyrus' rightful successor, Bardiya.