Reviving Alicia was not difficult for Fang Zheng.
Of course, only Fang Zheng would dare say it was "not difficult."
First, he returned Alicia's soul to her own body. Then, using the power of his spacetime dragon form, Fang Zheng "reversed" Alicia's body to before her death. But that was far from enough. Time Reversal could not unite the soul and body as one, so Fang Zheng needed to "cut" off a piece of Precia's soul and merge it with what remained of Alicia's soul.
To make an analogy, it was more like an organ transplant between relatives. Fang Zheng had chosen Precia because she was Alicia's mother, so their soul fluctuations were more compatible.
Next, Fang Zheng merely needed to use his power as the "Third Magic User" to materialize souls and revive Alicia.
Of course, directly cutting away a soul was far more painful than cutting flesh. The body could be anesthetized, but there was no medicine in the world that could anesthetize a soul. For Precia, it was like having a piece of flesh cut alive from her body, and no matter how much it hurt, she could not pass out.
"Ugh... ah..."
Within the energy sphere, Precia's face was twisted in agony, her teeth clamped tightly over her lips. Her eyes were wide open and bloodshot. Even the occasional cries that escaped her made the others feel frightened.
"Mother..."
Fate watched Precia suffering within the energy sphere with a complicated expression, utterly at a loss for what to say.
"I really can't understand it."
Illya wore a troubled expression as well.
"She's clearly so good to her own daughter... so why is she so cruel to Fate? That's just too much..."
"Because she can't do it."
While maintaining the flow of soul power, Fang Zheng answered