Nightmare Moon had expected a fight upon her return, ponies cowering in fear as she's forced to battle her sister once more. However, there were things that she had not even considered a possibility. A sincere, warm welcome was one of them.
Their relationship stronger than ever before, Rarity and Twilight finally face their biggest challenge: ending a story that started a thousand years ago.
She looked just like Princess Celestia, except marred and broken. Her ceremonial barding had rusted slightly. Black streaks ran through her mane. Worst was the scar across her chest. The tarnished Celestia smiled at Luna. "H-hello, monster."