“Two of them broke through successfully. One of them became a cripple and two more died instantly!” 

Shang Xia’s pupils shrank after hearing their fate. “It’s so dangerous. Why would they…”

Before he could complete his sentence, Shang Xia discovered what was inappropriate about it.

Zhang Haogu’s bitter laughter rang through the air. “Damn brat! Do you know how rare a rank four advancement medicine is? It’s not something you can refine just because you have an advancement formula! You need to gather all the herbs and treasures in order to refine one! Every single one of them is extremely precious! There’s also the matter of extermination qi…” 

Shang Xia couldn’t help but think about what Shang Pei said to him in the spirit cave. “It’s good to be able to use an advancement...