“Hey there, girls. If you’re in this place at this hour, you must bAHBABOBOAHAHBOBOBO.”
“You’re in the way. I didn’t hear any dirty words, so I’ll pardon you. Now go away or die.”
Rough-looking men had called out to her a number of times. Just one look from her, however, and they collapsed foaming at the mouth. The girl mage walking behind her knew why: the unbelievably dense magical energy that coated Filia had focused to the point that even ordinary humans without Magic Circuits could feel it and directly jolted the hoodlums’ brains.
Is it Od? Mana? Some principle that doesn’t conform to either concept...?

Fate/Strange Fake: Volume 4, Chapter 10 ("Day 2")