Issue: #164
'Atmospheres' concludes: Swamp Thing must decide whether to aid Nightmaster in defending Earth from a mystical invasion. But doing so may cost the Elemental his humanity forever...at the hands of the mysterious Parliament of Vapors.
Creators: Richard Starkings, Stuart Moore, Kim DeMulder, Mark Millar, Curt Swan, Tatjana Wood, Keri Kowalski, John Totleben, Phil Hester
Characters: Swamp Thing, The Traveller, Nightmaster, Don Roberto, Starfire, El Senor Blake