The Great Cataclysm has begun! Deadly battle erupts across the land, pitting the Special Fire Force against the harbingers of destruction! A doppelganger of Rekka appears before Company 1, sparking new despair. Shaken by this cruel reunion, Karim will have to make a difficult choice. Meanwhile, Arthur and Vulcan face the ultimate test to get back to Yū, who has been possessed by Dr. Giovanni. The final confrontation between knight and dragon looms!