Capricious Fleeting Shadow: Zabaniya was a technique for extending and controlling the hair on her head, but oral tradition had it that the Old Man of the Mountain who had actually used it had been capable of making each strand of their hair as fine as a spider’s thread, and lopping off their target’s head with no one being any the wiser.

Fate/Strange Fake: Volume 2, Chapter 5 ("Day 1, Dawn")