"… So that’s what it is; an automated search."

Immediately following Kiritsugu's bitter words, a ray of silver light sprang up from below the salon's carpet.

In the blink of an eye, a circle was cut out on the floor at the center of the room and fell to the ground below. Then a silver tentacle leapt up from that circular hole.

In front of Kiritsugu, Volumen Hydrargyrum’s new shape was like a metallic jellyfish. Endless tentacles grabbed the edge of the opening on the floor and their base, in the middle of the tentacles opening out like an umbrella, was expanded into a flat, bowl-like platform. And the one standing on the platform and smiling was none other than Lord El-Melloi.

"I finally found you. Little mouse…"

- Fate/Zero: Act 6, Part 4