The shadow that suddenly appeared on the back of the plane, armored in dully shimmering titanium... only a Servant is capable of something like that. Judging from its appearance, it must be the Berserker mentioned in Kirei's reports.

The blackness on the armor corrupted the fighter jet's outer shell drop by drop as if it was ink.

Indeed, it was Berserker's special ability that once robbed Archer's Noble Phantasms away and transformed even scrap iron into demonic swords and spears ― perhaps that power allows him to use anything and everything that can be remotely conceptualized as a 'weapon'?

The black prana again corroded the sonic silver wings, and even that epitome of modern science was instantly changed it into a monstrous form.

"■■■■■■■〓〓〓〓■■!"

The twenty-meter-long craft having completely fallen under his control, the black knight lightly gripped its back like a dragon rider of legend. His howl, full of vengeance, reverberated through the night sky.

- Fate/Zero: Act 10, Part 2