on the star forge when you get to fighting the dark jedi and the red sith ppl and the turrets on the right side of a curved shaped room like the deck or something go to the left away from the turrets there should be another room go in 3 dark jedi kill them you need 24 spikes go to the computer go down and find costumized robes BUT if your in light side you get star forge robes Dark Side darth revan's robes (doesn't include cape, mask and hood is down) :( :)