Nonchalantly, Touko drew the shape of a Rune with her finger.
A Rune. I couldn't read them, a live chastisement against my laziness when it came to
studying magecraft.
But even so, the sight of it sent a wave of fear through me.
The time it would take to swing my scythe was only a single breath. But even faster was
the movement of Touko's magical energy.
The overwhelming speed of a Single Action spell wasn't something that could be
matched by physical motion.

The Case Files of Lord El-Melloi II, Volume 3, Chapter 2, Part 3