The white fog gradually dispersed, and Roland and the flower mantis waved their hands to drive away the cold mist, with both their bodies and organs intact, though looking rather bedragled. The majority of the fish-shaped familiars that had once swum through the air were now floundering on the ground, slowly convulsing to death like fish out of water, their cloudy white eyes still fixed on the foam fire extinguisher in the young man's hand.
The principle of fire suppression by the foam fire extinguisher involves spraying liquid foam to isolate the flames from the external environment while absorbing heat. In other words, the foam rapidly lowers the surrounding temperature.
