Song Guang had asked whether the alchemist who produced the medicinal pills possessed a rank-seven proficiency.
Naturally, the alchemists at the encampment had no idea whether Leng Zhuxin possessed such a rank. Leng Zhuxin was maintaining the identity of an outside friend's disciple of Old Ancestor Sang while staying at the encampment.
It was solely because she happened to possess a profound understanding of salt worms and orchid crystal grass that she had agreed to come and assist at Sang Laiyue's request.
Chapter 159