Swamp Thing Volume 3: Trial By Fire.

Now as he undergoes a final terrifying trial in the purifying fire of the parliament of flames the creature who was once Alex Holland holds the future of humanity in his cold mossy hands and while the swap things ties to his human side continues to weaken Dark forces are maneuvering to claim his power for their own in the end enemies and allies alike including his estranged wife Abby and the master magician John Constantine must make a last ditch appeal to the man within the monster if they fail the choices start killing the Swamp Thing before he completes his trial or perish along with the rest of the homo sapiens