Look at the close up of Mace when he and Palpatine have their blades crossed and tell me he doesn't look pissed. Mace has never seemed very Jedi-like to me in the films. Given that Lucas likes to repeat themes, the idea that Luke's ultimate victory by throwing down his lightsaber is linked thematically to Mace's final failure makes sense to me. But there are other interpretations. And people say the prequels lack depth...bah. My interpretation of balance comes from the films. It's based around Yoda's speech about the nature of the Force ("Life creates it, makes it grow...") in Empire which to me equates to nature, plus the events of the prequels, such as the Jedi's Force ability being diminished, Palpatine manipulating events, his line about unnatural abilities etc. But it's my interpretation, the one that makes the most sense to me and isn't necessarily right. I don't argue that point. Let's say my interpretation is right. Even with the Sith gone, at some point in their history they had to discover those secrets that led to the corruption of the Force so it's certainly conceivable that it could happen again. A mere 30 years after the Force was brought back into balance? Probably not. I happen to believe the new threat will be extragalactic, not Sith, thus the balance of the Force won't matter. If anything, I think this new threat might want to wipe out all Force users, not just Jedi or Sith. Perhaps they believe that the Jedi Arts as a whole are corrupt and nobody should be tapping into the Force. But I haven't read the script so I'm just guessing and fan-ficcing. If destroying the Sith brings balance to the Force, then the reason the Force is out of balance can't be because of what the Sith are, it has to be because of something they've done. Otherwise, every time a Jedi got angry, heck forget Jedi, just ordinary people getting angry would shift the Force out of balance. So the Sith must have some connection to the Dark Side beyond basic power. They must have used it in a way that is harmful to the Force. Nowhere in the films does it say the balance is between light and dark. In fact the term "light side" isn't mentioned in any of the six films. Luke refers to "good side" once but as we know, "good" is a point of view. The Light Side is an EU concept. The movies present "The Force" and "The Dark Side Of The Force." What the EU would call the Light Side is really just the Force in it's natural state and balance can't be between light and dark because that would mean that the Jedi are capable of knocking the Force out of balance by just existing. As if too much good in the universe is bad. It's the inherent problem with the balance issue since it was first introduced. We thing of it as Ying and Yang but in the context of Star Wars, that makes no sense. Only following the light becomes just as bad as only following the dark if balance is what's best for the Force. You also have the issue of there being trillions of people in one galaxy and trillions of galaxies, each potentially with trillions of people, with every single one of them having the Force. Granted, most aren't strong in the Force but just having a little bit of the Force in them is enough to shift the balance when you add up the number of people. Take the Star Wars galaxy in isolation: If the balance is between light and dark, then a trillion ordinary people getting angry would shift the balance just as much as a thousand Jedi or two Sith. Thus the Force would always be shifting because for every peace treaty in the galaxy there's a conflict to match it. People get angry and sad, joyful and exuberant. Killing a Sith Lord wouldn't restore balance because there can be no balance. The Force would shift between light and dark constantly. I've thought way too much about this stuff over the past 14 years since the prophecy was first revealed in TPM. The Mortis arc in Clone Wars complicates things because it does present the balance issue as being light vs dark but I tend to interpret it as a balance between good and evil rather than light and dark, based on my own interpretation of the Force which is that there is no "light" or ultimate good side of the Force. The Force is nature. The balance of the Force is really just the Force in its natural state, allowed to flow freely, come what may. Bad things happen, good things happen. Balance comes from not trying to change it. Because the Jedi are passive and don't use the Force for their own ends, they are incapable of creating an imbalance. They let things play out and deal with things as they happen as opposed to the Sith, who try to use the Force to fit their ideal view of reality. The Sith create imbalance by not letting things play out and by trying to twist the Force to their own ends. This is a consequence of the Dark Side, which rather than being an equal and opposite side of the Force to a light side, is rather a corruption of the Force in its natural state. Thus the Force is knocked out of balance not when Plagueis and Palpatine enact their plans, but long before, when the Sith ruled the galaxy and only by putting an end to the continued use of these unnatural powers can the Force be healed, return to it's natural state and thus be in balance. But again, all of this is just how I interpret it based on the movies. I need to get a life... How could the balance issue continue in the sequels? Well if we assume the Force is now back in balance, perhaps the enemy in the ST will be beings who want to destroy the Force outright. To do that, you'd have to destroy all life, everywhere. A tall order but perhaps the god-like Force users from the Mortis arc could make an appearance.