“CT scans, MRIs, blood tests, gas chromatography, ultrasound, centrifuges, transmission electron microscopes, polymerase chain reaction DNA tests, and…yes, how about I prepare a cyclotron particle accelerator as well? With all that, slicing up Karasuma Fran’s body and inspecting the contents would be a simple task. …From head to toe, I can inspect every last molecule of her body. And that will tell me where your filthy traces have taken root and what I must attack to eliminate your influence.”

[...]

“A gamma knife. When a brain tumor is surrounded by the delicate organ and is thus inoperable, this medical tool can pass through their body and accurately burn through just the miniscule target. Oh, my apologies. Was that explanation unnecessary? I am sure someone as wise and knowledgeable as you was already well aware of all that.”

“…”

“And don’t worry. No matter how much Karasuma Fran struggles, 'I will accurately excise you and only you. Until not a speck of you remains. So rest easy and struggle all you like.”

Toaru Majutsu no Index New Testament vol.19 ch.3 pt.9