Most of the people I know are witches.

[ There are a few monsters here and there, but a lot of his time is spent studying magic. Light is just more likely to meet other witches than he would monsters. That only makes it more bothersome that he doesn't recognize the symbol. ]

Protection usually falls under abjuration, which is a different study of magic. Does it list the spell?

[ The shimmer quickly draws Light's eye as well. ]