If so – Kiritsugu grated out a spell, from a throat that was frothing with blood.

“Time Alter: Square Accel!”

The explosive pain boiled into every part of his senses. Kiritsugu leapt up and backwards, turning in mid-air to escape from Kirei’s range, simultaneously hurling the dagger in his left hand, with all the strength in his body. Faced with yet another repeated acceleration, Kirei couldn’t dodge. The dagger ripped through the air and struck into Kirei's thigh, effortlessly slicing through Kevlar and stabbing deep into flesh.

- Fate/Zero: Act 16, Part 6