As the Demon opened its mouth, Isaac also looked at the middle-aged Serpent Man with some surprise.
Black Steel Heavy Industry!
This power does not belong to the Mist Mountain Region but rather to the Desolate Ridge Region adjacent to the Mist Mountain; in the Four Domains, it's a top-tier power, on par with Earth Star Pharmaceuticals. Unlike Earth Star Pharmaceuticals which excels in creating potions, Black Steel Heavy Industry specializes in mechanical manufacturing, especially flying cars and Sky Giant Ships; over seventy percent of the Sky Giant Ships in the Four Domains come from Black Steel Heavy Industry.
As for Black Steel Heavy Industry, it also has five legions that specialize in penetrating monster nests to find valuable metal veins, and the legion commanders among them are influential figures in the Four Domains.
