A loud rumble… and a click.
After the door finishes opening, he enters to touch the Holy Grail for confirmation. Even in this magecraft-rejecting land, directly touching the source of the abnormality makes it possible to feel the vast amounts of magical power contained in it. It’s the real Grail. Nothing around the podium looks different from the usual.
Lancelot returns to the security room and grabs the phone he had left on.

- Chaldea Case Files: Manhattan, Dark Crime Skyscraper