The air darkened a little, as with the first encroachment of twilight, though it still lacked an hour of sunset-time.

We were tossed as if by earthquake, the air darkened around us, and the ground gave way.

There was no mistaking that voice, felt rather than heard, or the way in which the air chilled and darkened.

The air darkened and among the clouds stars shone brightening.

The air had darkened as though in an eclipse.

And like lava, the air darkened, until it let in the fierce glare of the sun, but nothing else.

The heated air seemed to glow and darken simultaneously, as if drawing power and form from its consumption of the monks.

Chapter Forty Three Outside the dome, the air darkened inexorably.

I was quartered in a factory taken over by the army,' Collins said, and Tom looked up to see that the air was darkening.

The air darkened, the temperature dropped a dozen degrees and the slowly rising ground of the Grirnsers foothills vanished.