Wilson would unquestionably prove a valuable ally to Him later on.

As they entered the village, the storm again proved an ally, for no peasants were about.

Eduin mused that if he handled the situation right, she might prove an ally.

I am telling you why I will prove a better ally than the little witch.

Despite what Banks had told her, if she were to be Lucy's friend, then the press might prove an ally, not an enemy.

The servant had proven a real ally, in the past.

On the surface, Britain has proved a more steadfast ally.

However, it is difficult to believe that a Russia thinking in terms of the old geopolitical categories will prove a trustworthy ally.

Rather, the choice depended upon someone else, who, so far, had proven an unfailing ally.

He proved a loyal ally of America at the onset of the cold war.