C343 Yellow scale test?

"Eh, Master Lu, can I continue to test for Orange Rank?" Nanmen Guo'er asked again, her goal was to see if she could reach Green Rank alchemist, the Red Rank was just a process.

Orange rank?

Master Lu was startled, then thought about the precision of Nanmen Guo'er's purification of the essence before, thinking that maybe she could really be called an Orange Ranker!

Then