Mission to Aliston Nor In 4 ABY , Rowan Freemaker , R0 - GR and Quarrie went on a mission to the abandoned Force Builders ' city of Aliston Nor on a remote jungle world . During the trip , Rowan found the inspiration and strength to build the " Arrowhead " , a starship that was believed to be able to turn the tide of the Galactic Civil War . Rowan and his companions were pursued by the Imperial hunter droid M - OC . Prelude . After experiencing a Force vision of a powerful starship called the " Arrowhead " , Rowan Freemaker struggled with explaining the description of the ship to the Mon Calamari starship builder Quarrie , who worked for the Rebel Alliance . Rowan believed that the " Arrowhead " could change the tide of the Galactic Civil War . At the urging of Quarrie , Rowan decided to travel to the city of Aliston Nor in order to learn craftsmanship and style . Aliston Nor had been the home of the Force Builders , an offshoot of the Jedi , who specialized in architecture and building starship s . While Rowan was unable to convince his older siblings Kordi and Zander Freemaker to travel with him on the " StarScavenger " , he managed to convince Quarrie and the B1 battle droid Roger to accompany him . Despite his limited piloting skills , Rowan managed to take the " StarScavenger " to Aliston Nor ' s planet , which was surrounded by three rings . While traveling through an asteroid field , he was detected by the Imperial probe droid XJ9MO2 , who reported his presence to the Imperial hunter droid M - OC , who traveled to Aliston Nor on the " Tracker I " . M - OC had been tracking Rowan since the earlier skirmish on Tibalt . The mission . Exploring Aliston Nor . After landing the " StarScavenger " , Rowan , Quarrie , and Roger navigated their way through the ruins of Alistan Nor , which had long been reclaimed by the jungle . Shortly later , they were pursued by a pack of gundark s . Quarrie and Roger managed to find a tunnel while Rowan used lightsaber to hold back the gundarks and the Force to imprison them behind stone columns . Rowan then followed the others into the tunnel which led to the interior of the Tower of Aliston Nor , the main structure in the city . Rowan and his fellow travelers climbed the steps and reach the summit of the tower . While looking at the jungle - covered ruins of Aliston Nor , Rowan saw a vision of the city in its golden days . He also experienced another Force vision of the " Arrowhead " and found the inspiration to build the ship . Shortly later , Roger heard the buzz of engines approaching . This ship turned out to be M - OC ' s " Tracker I " Duel with M - OC . M - OC blasted Rowan , Roger , and Quarrie with the " Tracker I " cannons . The three rebels narrowly avoided being crushed by a falling pillar . M - OC continued blasting them and they fell off the ramparts . Rowan however used the Force to grab onto a vine . He also used the Force to suspend Roger and Quarrie in mid - air . The rocket booster – equipped M - OC then exited his ship and attacked Rowan with his new Double - bladed spinning lightsaber and blaster s . Rowan managed to use the Force to direct Roger and Quarrie towards a lower - hanging vine . As the fighting continued , M - OC fired on the ancient tower and Rowan was forced to dodge from vine to vine . At one point , M - OC was hit by the fallen balcony but was quickly able to rebuild himself . Before M - OC could rejoin the fight , he was attacked by a pack of gundarks . This provided a window for Rowan , Roger , and Quarrie to escape offworld on the " StarScavenger " before the indestructible droid could continue the pursuit . Aftermath . After returning to the MC80a star cruiser " Home One " , Rowan apologized to Zander and Kordi for taking the " StarScavenger " on a joyride . The three sibling quickly reconciled and Quarrie told Zander and Kordi that Rowan was one of the last Force Builders . Having made sense of Rowan ' s vision , Quarrie explained that they needed several starship parts including embersteel blades , a fusion conduit , suspension housing , an energy matrix activator , and a bantha - sized kyber crystal . As a result , the Freemakers embarked on a quest to find the parts to build the " Arrowhead " . Behind the scenes . The Mission to Aliston Nor serves as the main conflict of the " " episode " The Tower of Aliston Nor " , which premiered on July 31 , 2017 .