The one-million-dollar-question is what that might be, through
Was the main chara perhaps an imortant commander under Revan or something like that? Was he unusally strong in the Force? Or what is/was it that set him apart fromt he others and/or makes him soimportant now, important enough for some murderous Sith Assassins to come after you?
Who knows, i sencerily hope that MCA has written a good back-story to it.