Near Sludge Mound in the Crimson Mirelands, you are asked to help set up Bogbound Camp.

The Request

Talk to the person near Sludge Mound, which you will go to for the mission Arezu's Predicament, to accept the request.

Talk to Odo

Go to the quest marker and approach Odo. There will be a cutscene. If you agree to battle, you will fight three level 20 Stunky.

Reward

After you defeat the three Stunky, the new base camp will be built.