 If the player chooses the dark side , Starkiller raises his saber to kill Vader , only to be stabbed by a shrouded figure who <unk> behind him . Kota attacks the figure , but is driven back and force pushed over the edge with numerous troops . As the figure removes his cowl , Vader tells the dying Starkiller he lied when he said the cloning process had not been perfected , revealing the figure to be a dark , perfect clone . Starkiller takes one last look at Juno 's corpse and dies . Vader instructs the kneeling clone to take Starkiller 's ship and kill the remaining leaders of the Rebel Alliance . Downloadable content released in December 2010 expands on this ending , with Starkiller 's clone participating in the Battle of Endor in which the remnants of the Rebel Alliance desperately attack Endor in the hopes of destroying the Death Star II . The dark Starkiller is sent to eliminate the threat and kills Ewoks and Rebels ( including Han Solo and Chewbacca ) in the process . Eventually he finds Princess Leia Organa , who is revealed to be a Jedi , waiting for him and duels her . Starkiller succeeds in killing her . Meanwhile , the Emperor scolds Vader for creating the dark copy of his failed apprentice and subdues him with Force Lightning ( calling him Skywalker ) . The Emperor then orders Captain <unk> to kill the dark Starkiller . 
