Both science and magic had failed; all they could do was leave the baby alone.

Over the years, however, magic had failed to aid him in truly important matters.

There were also no more collapsing buildings, or loss of service because magic had failed.

If her magic failed her now, she would be dead.

He did not try to hide from them; after all, if the cloak's magic failed, they would search him out in any case.

Besides, magic had failed; such a spell wouldn't still work.

If the magic had failed, there would have been some indication of it.

Arven tried not to think of what would happen if the prince's magic failed before they got to the keep.

I didn't want him to know that my magic had failed.

But I had never thought that the magic would fail me.