User blog comment:Novoty/SkyWee/@comment-4057437-20120612211534

One cannot activate any Thu'ums without Dragon Souls. Also, unless they have fixed all of them, cleaning out quest-related Dungeons early can cause MAJOR glitches. We have a play-through where this is STILL stopping the completion of the Civil War. Ft. Sunguard won't load any opponents, so we cannot liberate it....sigh >:-{