The speed she was swinging her sword with had obviously gone down, and she could already picture an image of despair in her mind. She could already predict the moment she would no longer be able to match Acqua's impossible speed and suffer the finishing blow. For Kanzaki, who already struggled to keep up, it was impossible to make a comeback and go on the counter-offensive. She had to keep some moves in reserve, and wait for Acqua to make a mistake. Only then did she have a chance to make a comeback.

Toaru Majutsu no Index vol.16 ch.3 pt.3