Chaldea had fought the Phantom of the Opera before.
The earliest records concerning the Phantom of the Opera could even be traced back to the France singularity.
Back then, the Phantom of the Opera had served Jeanne d'Arc, the Dragon Witch. He had tried to ambush Fujimaru Ritsuka, only to be sent back to the Throne of Heroes by the enraged Lawrence, Mash, and Carmilla working together. His performance had been rather pathetic.
The second time they encountered the Phantom of the Opera as an enemy had been in Florence not long ago.
Lawrence, fighting at full power like a true man, had taken him down alone. But while it had been a solo kill, Florence-era Lawrence and France-era Lawrence had been on completely different levels in terms of combat experience and fighting methods. Naturally, the Phantom of the Opera had changed as well. After receiving Lorenzo's power, his strength had increased tremendously, making him completely different from his France-era self.
Yet in the end, Lawrence had still killed him in a nearly life-or-death struggle, carrying immense grief and fury in his heart.
This was now the third time they had encountered the Phantom of the Opera as an enemy.
This Phantom of the Opera was even stronger than the one they had faced in Florence—and he had become whole.
Christine. The Phantom of the Opera had offered his complete self to Christine, but wasn't Christine the same?
From a Servant's perspective, they were unquestionably two separate individuals. But to each other, the Phantom of the Opera and Christine were the best "other half" either could have.
And Christine's true nature had already been pieced together from their words.
"A Phantom Spirit. Because she lacked the power needed to ascend into a Servant, after being summoned, she had remained within