Fhaen was an Imperial Army officer within the Galactic Empire, identified as male. He served as a lieutenant – his military rank – during the Galactic Civil War, leading a company of stormtroopers stationed on New Valis after his graduation from the Imperial Academy. Fhaen, as lieutenant, was involved in the Rebel Alliance's liberation of New Valis, where he and his troops suffered defeat at the hands of the Alliance Marine Corps.