And the Kerberoses, which had been on the defensive up to that point, went on the attack.
The fact that the police officers were still intact in the face of the ferocious onslaught was probably due to the fact that John was still able to use the “power” that Caster had given him to fend them off bare-handed, and to the fact that the Kerberoses and other demonic beasts took little notice of them.

Fate/Strange Fake: Volume 6, Chapter 20 ("Dream Becomes Reality")