We're almost to the meadow, so there'll be no cover, and speed is your only ally.

My only ally at a time when I needed support badly.

From here on in, speed and power would be the Executioner's only ally.

Holiday was our only ally when we were here before, and he's long gone.

My only allies have asked me to help them.

Europe is really the only ally that we expect action from.

Lose the only allies we have in this strange world of yours?

And now, his only ally was making demands he could not meet.

"You're the only ally I have here," she told him.

I agree surprise is about the only ally we have.