The MSVK environment has dim lighting and a opaque fog for an atmosphere.

The mist was dispersing at a good rate now, and I could see the room as a whole, though there were still patches of opaque fog.

He felt surprisingly heartened by the sight of ordinary space after long hours spent in the opaque and angry fog.

Thick, opaque fog settled over the battlements in a few seconds, hiding Sir Guy five feet away.

He stumbled into a hard object, shrouded in the opaque fog.

It should have framed a panorama of the sprawling port city of New York, but the building was smothered in an opaque gray fog.

The thready jellyfish mess of rising smoke was gone now, swallowed in a looming opaque fog.

Wind troubled us only moderately, and our radio compasses helped us through the one opaque fog we encountered.

These atoms could no longer absorb the thermal radiation, and so the universe became transparent instead of being an opaque fog.

A dense, thick, opaque, drowningly thick fog spouted from openings in the ceiling.