The magical field had been disrupted, that much was obvious.

He held the magical field together by his force of will and his strength alone.

The first thing he'd done on his own return had been to strengthen the magical field surrounding it.

They are not associated exclusively with any one group within the pagan or magical fields.

Already there was the prickly sensation of a high magical field.

Moving in and out of a magical field, rather side-ways, without meaning to.

When light encounters a strong magical field it loses all sense of urgency.

Light on the Discworld moves slowly because of the vast magical field.

Well, my point is, you see, that gold also has its sort of magical field.

The magical field was starting to activate and respond to his commands!