Yan Xiaobao took the medicine recipe and began researching. Soon, his eyes widened. In fact, the drug formula was not easy to understand, and many areas were still vague. Without real knowledge of how to formulate Level 4 Spiritual Medicine, it is impossible to understand it.
Even with such skill, the formula remains difficult. Fortunately, Yan Xiaobao's skills in the way of medicine had already reached the point where he could formulate Level 5 Spiritual Medicine. Therefore, after studying the formula in detail, he began to understand it. In the end, he took a deep breath.
"This Reverse Blood Corpse Refining Pill uses corpses as a furnace to brew Corpse Pills. Forty-nine corpses must wither into the form of Corpse Pills. Then, combine forty-nine Corpse Pills together to make the Reverse Blood Corpse Pill!
