chapter 375 Miraculous alchemy technique!

"This alchemy technique is simply miraculous!" Someone exclaimed. The eyes of many alchemists were filled with disbelief. They originally thought that if Eryx Aitken threw all the spiritual medicines into the alchemy furnace at once, it would most likely cause the furnace to explode. But unexpectedly, not only did the furnace not explode, but Eryx Aitken used a miraculous method of controlling fire to refine all the spiritual medicines at the same time. How is this done? "I've heard that...