“Kyeeeee!!”

Like the sound of a metallic blade scratching, the eagle made out of silver threads screeched and flew from Irisviel's hands. It was created by an alchemy-using homunculus on the spot. It was a “weapon” given life by Irisviel, whose fate hangs in the balance.

The bullet-like flight far surpassed Kirei’s imagination. Surprised, he dodged the attack, but the razor-sharp beak still brushed past his nose.

- Fate/Zero: Act 7, Part 1