'Demon River' of the Badlands

"Badwater' or 'Demon Water' is a demon that lives in the river of the badlands {{The thing in the picture.}}. The animals know very well to stay away from it. But does that don't, they will be dragged into the water and will be drag to the bottom of it.

The depth of the river is about 6,000 m deep. The water is also can make people sick if they drink it, they can die from it if not treated.