Blackness was receding into the thick gloom of the other room.
He saw thick gloom that looked almost like a living shape.
It came as he stepped to the darkness of the central cellar, fading into that thick gloom.
In the thick gloom of the inner room, the Wasp was making a telephone call.
He stood wondering for a moment, while his uncanny eyes adapted somewhat to the thick gloom.
Amid the thick gloom of heavy darkness came a long, eerie laugh.
It was the strangeness of the thick gloom that produced this effect.
And then, as quickly as they'd appeared, they were gone, vanished back into the thick gloom.
Compared to its thick gloom, a total blackout would seem mild.
He looked through the door but could see nothing in the thick gloom.