Tyrannical Bone Marrow Cleansing Pill

His Pill Emperor memories floated up. He could only recall how to refine this pill but not how to use it.
This was a tenth tier pill, and it had been nourished for who knew how many years under the formation. Its medicinal energy had reached a shocking level, and it had even given birth to a spirit that possessed great power.
There were usually 9 alchemy ranks but this was a 10th tier pill.
==References==