Why was he lying on the wet ground in the dark?

This would allow the users to sleep on wet ground.

But why did he stand in the cold, on wet ground, for five or ten minutes?

The wet ground pulled at our feet as we walked.

He thrust the bottom of the staff into the wet ground.

Then we all sank down onto the wet ground to watch.

Then he was turned again, face pressed into the wet ground.

The wet ground gave little support to his 300 lb.

But they were having trouble making their way across the wet and slippery ground?

His soft boots made no sound on the wet ground.