healed after hand was removed

She could not send any commands to the A.A.A. Yet if she had tried, she might have been
able to stop that thick rotating blade some other way.
The silver girl did not hesitate to swing down her right hand.
That movement linked with something.
And then a dull sound burst out.
Another fierce attack struck that already hopelessly torn-up hunk of flesh.
It was an assault chainsaw meant to bring down the main gate of a fortress.
One body part, which was just barely still attached by white and pink flabbiness, was now
fully severed.
With an almost silly splat, the detached right forearm hit Shokuhou Misaki in the forehead
and then her arms held it to her large chest. That was no more than the standard reflex to
protect your face when a ball flew toward you. There was no conscious thought in her
widened eyes. She had the strongest psychological power and she was an expert at
controlling people’s minds, but not even she could accept this shocking visual.
“…!!”
Something sparked in Mikoto’s mind. Her vision filled with gray static. With a soft wet
glop, a dark red liquid splattered across the ground.
But.
It was not over yet.
“When working to save his life, I suppose Imagine Breaker would be the biggest obstacle.”
The palm-sized girl groaned in a different way than Mikoto. “But that was still a little
much!! Don’t just throw out everyone else’s opinions because you alone know everything
about Kamijou Touma’s inner structure, Aleister! Surely you know it’s exactly this kind of
arrogance that led to all your defeats and failures!”
A dark-red light glowed from the joints of the A.A.A. that Mikoto wore.
It released a function that not even the #3 girl knew about.
“I have no interest in high magic at the moment. I will remove the artistry and break
through the closest gate in as vulgar a way as necessary. My physical body bears
stigmata—the mark of the worthy—on the hands, feet, and side. It is a human body, but
its flesh and blood can return to the starting point of the Sacrament of Holy Communion.”
The silver girl kneeled.
She clasped her hands in front of her chest as if squeezing the fresh juice from a fruit.
She extracted the scarlet liquid from her own wounds.
“Longinus was a blind soldier. He was the saint who pierced the Son of God’s side to
confirm his death. The holy one’s blood dripped down the lance and entered Longinus’s
body where it healed the foolish soldier’s eyes and revealed a visible world to him. This
drop can produce miracles, so reopen the realm of possibility to this trapped one!!”
Normally, any kind of miracle may have failed to manifest as long as Imagine Breaker
remained in Kamijou Touma’s right hand.
But that was no longer the case.
That was why the silver girl had chopped off the boy’s right hand with that giant chainsaw.
A single drop fell from the silver girl’s hand and into the center of Kamijou Touma’s chest.
That was all.
But the effect was dramatic.
This was not the story of a restless night. This miracle happened in clear view below the
morning sun.
Something invisible passed through all of the boy’s blood vessels to reach every part of his
body. The burst blood vessels and disturbed blood flow was used to automatically
determine what needed healing and a gentle light enveloped all of the torn, crushed, and
hopelessly destroyed parts. Bone, flesh, muscle, and skin returned to that of the original
boy, like it was being polished with an invisible silk cloth. It was like popping a collapsed
plastic doll back into shape.
“Kami…jou…-san?”
Shokuhou Misaki spoke his name while half in a daze.
Misaka Mikoto’s searching eyes moved with real hesitation.
And there she found the boy’s eyes shut as if he were gently sleeping. She saw the normal,
ordinary, and entirely irreplaceable face of that older high school boy.
But there was no time for relief.
There was a sound like a balloon popping.
It came from where Kamijou Touma’s right hand should have been. Everything past his
elbow was missing. No, everything past there was refusing to heal. Something was
obstructing the healing process.
Mikoto’s eyes widened.
“Eh?”
This was far better than the hunk of flesh that had looked more like a disturbing mosaic
than anything. But a single wound to the wrist could be deadly. They could not just leave
him like this. Unless they stopped that blood gushing out, the recovered boy would lose
his life before reopening his eyes.

- New Testament Volume 22 Chapter 1 Part 2