Once I finished liquifying the Granite Golem Core, I mixed it with the Rockflower Potion.
The Rockflower Potion still contained the properties of Purityroot Sap, eventually filtering the impurities of the Granite Golem Core.
Unfortunately, it was difficult to completely eradicate the impurity.
It was like a soap, stating they could only annihilate ninety-nine percent of bacteria.
When I finished, with another vial on my hand, which was the StoneSkin Potion, having a different color from the Rockflower Potion earlier, Elisa asked me, "What grade of that potion, Elder Brother?"
The potion, from the Alchemy Association, according to the memories Luke provided, was divided into rank and grade.
The rank of the potion determined the rarity of the potion and their effects.
For instance, a Rare Rank potion could help a High-Rank Mage, while a Common Rank potion had minimal effect on them.