Horizon Guard The Horizon Guard was an elite unit of Force - sensitives warriors created by Eternal Empress Vaylin after assuming the throne , the ranks of the Horizon Guard were handpicked by the Empress from the Knights of Zakuul ranks . The Guard served as the Empress personal guard . History . In 3631 BBY , after Eternal Emperor Arcann was defeated by the Commander of the Alliance , his sister High Justice Vaylin assumed the control of the throne and of the Eternal Empire . One of Vaylin ' s first acts as an Empress was the purge of the entire cadre of Zakuul Knights that were in charge of protecting the Emperor , after the purge Vaylin created the Horizon Guard an elite unit handpicked from the remaining Knights of Zakuul . The unofficial motto " I serve for life , but I don ' t serve for long " was created by the Horizon Guards ranks , since they were likely to fall victims to Vaylin erratic temper . " In 3630 BBY , during the Eternal Empire invasion of Voss , Horizon Guards led the invasion receiving orders directly from the Empress , who was commanding the battle from Zakuul . During the invasion several Horizon Guards and skytrooper s assaulted the Tower of Prophecy , the command center for the Alliance ' s forces , but they were defeated by the Alliance Commander and its companions . Some time after the Invasion of Voss , Horizon Guards accompanied Empress Vaylin and SCORPIO on a mission to infiltrate the " Gravestone " , after successfully capturing the ship and its crew , the Alliance ' s forces arrived to recapture the vessel . During the fight Koth Vortena and the Commander encountered two Horizon Guards , Tragus Rova and Vella Zarkot , but both of them were defeated . During the Grand Festival of Empress Vaylin , Horizon Guards were tasked with guarding strategic points throughout the Palace of the Eternal Dragon . When Arcann and his loyalists as well the Commander , Theron Shan and Zakuulan insurgents ambushed the party in an attempt to stop Vaylin , Horizon Guards fought against the invaders while the Empress escaped from palace . Vaylin then departed aboard her personal flagship to Nathema , where she took several Horizon Guards with her to the surface and ordered them to remain outside of the Sanitarium and protect its entrance . Shortly after Vaylin ' s arrival , the Guards were killed by the Alliance Commander and Lana Beniko who were chasing Vaylin to tried to stop her from breaking from her mental conditioning . After Vaylin successfully broke free from her mental conditioning she launched an attack on Odessen , were several Horizon Guards such as Imperator Sunfell were present on the front lines and other Guards escorted Vaylin and her prisoner to the Alliance base were she would confront the Commander , but ultimately would lead to the Guards and Vaylin ' s deaths . After the Commander took control of the Eternal Empire , the remaining Guards scattered across the galaxy , Scout Captain Sterla joined Battalion Commander Tassar in an effort to build a new Star Fortress on Rakata Prime , but ultimately their plans were stopped by the Eternal Alliance ' s forces . Equipment . The Horizon Guards used lightsaber pikes and lightsabers as their prefered weapon . Horizon Guards usually wore a black and gray armor , but a white variation was also known . Behind the scenes . The Horizon Guard first appeared in the 2016 digital expansion " " for BioWare ' s " " . The Horizon Guard armor can be bought by players from the in - game store , which they can customize and wear .