C793 The Great Void Pill Concocting

"cauldron? Humph! Small refining uses the artifact as the cauldron, while big refining uses the universe as the furnace. I have the universe in my chest, and I have the universe in my hands. Why would a mere Heart Concentrating Pill need a weapon! "Yuwen Tian looked at King Shutian in disdain, and said indifferently.

In fact, he was only talking about the alchemy of heaven and earth