The phrase is also believed to be a powerful spell against evil magic.

They were relying on him for defense against magic, but if he could not think clearly, that was a potential disaster.

Fingers moved to make the sign against strong magic; even Guinevere's.

With Richard gone, she was the magic against magic for all these people.

But I recognized what it was, a strong sign against strong magic.

It'd be a blow against good magic all over the world.

Stay inside, and it will guard you against evil magic.

But against true magic, the ring will protect you.

I never told anyone, of course, because my dad was dead set against magic.

"And, of course, the peasants can't do much, against magic."