C306 A New Disaster

"To refine a treasure, you must remember two things. First, it is about the skill of a refiner, and secondly, it is about the materials. "Both are indispensable, after all, it is hard for a woman to make a meal without rice."

On the stage, Instructor Zuo Gang continuously explained the main points of refining. Previously, everyone was still interested in listening to his lecture, but later on