The air smells sulfurous, an unpleasant mingling of mildews and molds—thick with acrid moisture, it’s almost difficult to breathe. The placid puddles of the bog gleam in the moonlight, and though shallow, you cannot help but imagine them as bottomless. What lurks beneath the surface? What horrors wait to grasp your boots and yank you down, down into the black? The sodden ground, sucking at your boots with every step, does little to dissuade your worries.