During the time of the Great Galactic War, specifically around the year 3664 BBY, an envoy representing the Galactic Republic was assaulted by a group of Mandalorians who were in league with the Sith Empire. These warriors, under the command of the Human Shae Vizla, clashed with the envoy and those protecting it, only to encounter Jedi Master Aurei Eadon. It was Eadon who managed to kill Vizla's brother, an action that resulted in the Mandalorian's hatred being directed at him and the entire Jedi Order. Subsequently, Shae challenged Master Eadon to a one-on-one fight to get revenge for her brother's death, but the Jedi declined.