"Elder Sister is so nice to me. I obviously can't make it hard on Elder Sister, isn't that so?" Ye Yuan said with a faint smile.

Cai Yue rolled her eyes at Ye Yuan and spat, "Heartless little fellow! Driving Elder Sister to her death at the drop of a hat and still say that it's for Elder Sister's good!"

Ye Yuan shrugged his shoulders and said, "Didn't I come to find Elder Sister for help because I couldn't do anything about it?"

"Humph! Say then, just which alchemist you want to help you to refine pills. Elder Sister isn't very knowledgeable about medicinal pills and can't tell what kind of medicinal pill you want to refine with these spirit medicines of yours," Cai Yue said.

Tier 9 medicinal pills were extremely complex. On the list Ye Yuan made, just the core ingredients were as many as nine types, let alone the supplementary materials!

Furthermore, Tier 9 pill formulas were mostly all cherished dearly. There were extremely few mutual collaborations between alchemists to make up