C485 Three Major Problems
Although to Lang Tian, the Fifth Grade Myriad Bones Pill was a pill that he was extremely familiar with.
However, because the current Fifth Grade Myriad Bones Pill's main ingredient had already been changed from Pyrola Calliantha to Hedera nepalensis, to Lang Tian, refining such a Myriad Bone Pill was no different from refining a new medicine.
After all