It had ceased using its potent magic, turned again to brute force.

I have squandered one of the most potent magics known and gained nothing.

Gradually, however, a potent theatrical magic began to take over.

Gaea had seemed like an ordinary woman in command of potent magic.

He looked so small and helpless; how could a child possess such potent magic?

He had imprisoned her with some dark, potent magic, and she couldn't have torn herself away, even if she'd wanted to.

Rod said words of potent and evil magic under his breath.

Yet this girl had certainly worked a powerful and potent magic.

She felt it, too, the horrid sense of potent murder-powered magic not so far away.

There is the most potent magic I know, that has moved events before now in the world.