Purification of All Things: I Rely on a Cauldron to Suppress the Heavens

This is an ability that can snowball infinitely... Remove the waste and retain the essence: purify the toxic waste elixir into the flawless and top-quality elixir; Fusion upgrade: Throw in ten yellow-level low-level swordsmanship books and fuse them to produce a mysterious-level high-level swordsmanship book; Law analysis: Purify the bloodline of monsters, analyze the laws of heaven and earth, and even swallow stars!