They stood in a forest of jumbled tree trunks, matted brush, vines, brambles, and impenetrable mist.

During their night's rest on their way to Glantri, the player characters are unexpectedly drawn into a large castle surrounded by an impenetrable, deadly mist.

Overhead, where the trees opened to the skies, there was nothing to be seen of moon or stars, only an endless layer of impenetrable mist.

Darkness lurked ten feet below the rim like an impenetrable mist.

Haze, mist ... not darkness now but impenetrable mist.

Gone was the damp, impenetrable mist and the vast dark ceiling of storm clouds that had blanketed the land of Callahorn for so many days.

He didn't see anything around it or behind it, nothing other than that same strange impenetrable mist.

Most heads were still turned towards the last fence, searching the impenetrable mist for Admiral, the odds-on certainty who had lost his first race for two years.

Spray from the rumbling falls formed a thick, impenetrable mist as Spider-Man webbed closed the top of his barrel.

She stared at the passing miles of gray asphalt, the impenetrable mist of rain.