It was a pretty popular event, so I'm hoping they'll decide to run it again, even without a new release to time it with. They've done a couple much smaller events with tie-ins to Dragon Quest and Final Fantasy XI so they aren't entirely limiting tie-in events to when new titles are launching. Maybe Lightning can return yet again if enough people want her to. At least, that's what I'm hoping. We haven't heard anything from SE about it, though.