A flicker of Light down to his back leg, using that to push himself forward at speed – a favourite trick of the Flawless Fencer, which he has carefully learned to reproduce without drawing on her memories – the angle he craned his torso forward at carefully measured so the gob would pass over his shoulder.

...

A flicker of Light down his back leg, knowledge of that trick courtesy of a woman long dead, and the White Knight was moving again. Boots whispering across the floor, he barreled through the soldiers in his way without so much a speck of the sinuous, unnatural fluidity of the foes he pursed.

- Extra Chapters: Winter III