To dream of passing through sludge or quagmire will encounter danger and misfortune.

Dreaming of quagmire (or sludge) will avoid major dangers.

Dreaming of falling into the quagmire, will be bedridden.

Dreaming of walking through a quagmire implies that the things around you are unusually changed, and your most cherished wishes and plans are interrupted and temporarily stopped.

Original Dreamsmeaning Book

Through the quagmire, the main disaster is imminent. Dreamsmeaning Book

Seeing the quagmire, the main danger is scattered. Dreamsmeaning Book

In the quagmire, the main body is seriously ill. Dreamsmeaning Book