30 years ago Celestia disappeared after a heated argument with Luna, directly after Twilight was coronated. Something has cried out in the Dreamscape, a beacon of pain and suffering that must be investigated.
Alternate universe to the show - Celestia and Luna do not retire to Silver Shoals
Rated Teen for offscreen violence and death.
Entry into FanOfMostEverything's Imposing Sovereigns ii once and future Contest under Abdication - Celestia