M4 - 78 M4 - 78 was a legendary planet of droids , supposedly dating back to the Old Republic . I - 5YQ once joked about being the deposed ruler of the planet while he was on Drongar . History . Much of the planet ' s history is unknown ; however , it is known that droids were sent to the planet to develop its resources and prepare for colonization . The droid in charge of this operation was an intelligence named M4 - 78 and was assisted in the colonization effort by two additional intelligences named IS - 24 , an industrial Archon , and ES - 05 , an environmental Archon . During the colonization effort , the Sith arrived and claimed that they were the original colonists . Programmed to obey the " colonists " upon their arrival , M4 - 78 ordered the droids of the planet to serve the Sith in any way necessary . The Sith , after discovering the planet ' s natural resources and the droids ' ability to harvest and refine them , ordered IS - 24 to begin production of a massive droid army . To conserve resources and energy , the Sith also shut down M4 - 78 . Eventually , Master Lonna Vash and her apprentice Kaah Ohtok came to M4 - 78 in hopes of ending the Sith occupation . Kaah , being an expert with computers , was able to slice into the colony ' s environmental systems , where he and Vash were eventually able to convince ES - 05 that the Sith were not the colonists they claimed to be . Kaah and ES - 05 devised a plan to flood the colony with radiation , killing all the Sith on the planet , leaving only droids . Before their deaths , however , the Sith were able to do two things . First , they sabotaged the connection between IS - 24 and ES - 05 , preventing the two Archons from easily reactivating M4 - 78 . Second , a few Sith were able to discover and attack Kaah and Vash ' s position . Vash was knocked unconscious and the Master and Padawan were separated . Upon losing his connection to Vash , Kaah believed her dead , which led him to take up a misguided quest to prevent any Sith from retaking M4 - 78 . Upon arriving on M4 - 78 only droid party members could explore the planet until they were able to clear the radiation that Kaah and ES - 05 had released . When the Jedi Exile was finally able to explore parts of M4 - 78 , she met IS - 24 , who told her that in order for M4 - 78 to be reactivated , ES - 05 also had to agree . As the Exile made her way through the environmental zone to speak with ES - 05 she was contacted by Kaah who was impersonating ES - 05 . Kaah accused the Exile of being a Sith Lord and refused to listen to anything the Exile had to say . He sent several waves of droids to attack her , in an attempt to prevent what was , in his mind , the beginning of another Sith occupation . Eventually the Exile was able to reach Kaah where his true identity as Vash ' s apprentice was revealed . The Exile then had the option of helping to guide him back to the light , killing him , or driving him to the point where he killed himself . With Kaah finally out of the way the Exile was able to speak with the real ES - 05 who agreed to reactivate M4 - 78 . With M4 - 78 activated the Exile was able to enter the Main Behavior Core where M4 - 78 was housed . It was here that the Exile was to finally meet up with Vash . Vash told the Exile that she had been rescued after her battle with the Sith by L5 - 65 , one of the droids the Exile encountered patrolling M4 - 78 ' s Central Zone . L5 - 65 had brought her to M4 - 78 and she had been locked there ever since . The Exile had the option of killing Vash here or agreeing to meet her on Dantooine with the rest of the Jedi Masters . Darth Sion , who discovered the Exile ' s location , went to the system and seemingly killed the Exile . On the Ebon Hawk , the main characters spoke of what will now happen to the galaxy . Kreia stated that now that the Jedi are exterminated , the Sith will betray each other . On Darth Nihilus ' s ship , the " Ravager " , Sion confronted Nihilus claiming that he was the more powerful now that the Jedi were no more . He drew his lightsaber but Nihilus was quicker , attacking him with the Force . Sion realized he was not so powerful after all and left in shame . Some time after , T3 - M4 reawoke the Exile , who was not dead after all . They returned to the Ebon Hawk and left M4 - 78 . Behind the scenes . M4 - 78 was originally created for " " , but was cut from the game due to time constraints , although at least one mention of the planet can be found in the game . It has been acknowledged , however , that the Jedi Exile never visited the planet . The planet became canon when referenced in the short story " " . Although displayed during a showing at E3 , it was cut out of the final game for a number of reasons . One of the major reasons , however , is that because Obsidian was being pushed by LucasArts to complete the game by Christmas , they had to make some cuts to the game in order to finish development . M4 - 78 was one of those cuts . Other reasons for the cut was because the other planets in the game didn ' t have as much content as was preferred , so a majority of the elements on M4 - 78 were moved to other planets in the game . For example , the shuttle - docking puzzle on Nar Shaddaa was originally a puzzle on M4 - 78 . Another reason why it was cut was because its plot was nearly identical to the Peragus Mining Facility section of the game . While very complete dialogs , and in some cases voice - overs , exist within the game ' s files for Vash , Kaah , IS - 24 , and ES - 05 , absolutely nothing remains or was ever implemented for M4 - 78 itself , severely hampering the ability of modders to fully understand its role in the plot . M4 - 78 was divided up into 7 modules named : Landing Arm ( where the " Ebon Hawk " landed ) , Central Zone ( originally flooded with radiation , led to most other areas ) , Environment Control Zone ( originally flooded with radiation , where Kaah first impersonated ES - 05 ) , Industry Control Zone , Archon I Behavior Core ( where ES - 05 was housed , where the PC met Kaah ) , Archon II Behavior Core ( where IS - 24 was housed ) and Main Behavior Core ( where M4 - 78 was housed , where the PC met Vash ) . M4 - 78 has been restored as a mod .