You've got to have really strong magic to keep control of a demon.
If this seems likely to happen, I will use my own strong magic to hold the winter cold at bay.
And I don't think it would be a good idea to use any stronger magic in here.
"Gratitude is a stronger magic than most of the ones I know."
They're real strong magic, they make you have good luck.
"How is it that you can work such strong magic?"
There is strong magic, which plays only a minor role.
She has very strong magic, but, like many of Jones' characters, doesn't know it.
Was it the strong magic that must be being used to maintain such a place?
This was a strong magic, and needed all our strength to overcome.