Jaska was a female Falleen Jedi Knight who eschewed Jedi teachings for Mandalorian culture during the Mandalorian Wars. Believing that the Galactic Republic was corrupt, she became a member of Jedi Master Dorjander Kace's Mandalorian Knights, a rogue faction of the Jedi Order who sought to help the Mandalorians win the war and become better rulers of the galaxy with the guidance of the Jedi. Joining the Revanchist movement, an organization of Jedi who aided the Republic war effort, Jaska and the Mandalorian Knights participated in a battle on the planet Essien in 3,962 BBY. During the engagement, Jaska and her fellow Knights were able to use deception to lead the Phaeda militia, the unit under their command, into Mandalorian captivity and seize the Republic command ship, the Axehead frigat