Kirei initiated a large-scale magecraft.

The Black Keys that he gripped in both hands instantly expanded to more than twice their original size. The half-spiritual blades, which had been woven with magecraft to begin with, had extra prana forced into them. The forceful execution of this spell evidently surpassed the limit of the weapons themselves, but it was enough to handle the single bullet. Kirei crossed the six enormous swords before his chest, holding them in a fan-like formation. The immense destructive power of the .30-06 Springfield assault rifle bullet was neutralized in an instant.

The bullet was deflected, a shower of flying sparks accompanying the clash. The Black Keys, which had been overflowing with prana, could no longer handle the heavy load, and shattered.

- Fate/Zero: Act 16, Part 6