Yang Yan brushed his palm across the Void, and stalk after stalk of medicinal herbs shot out from before him, finally spinning as they floated around the Medicine Cauldron.
Alchemy demands precise timing and control of the flame; when to add each herb, and the order in which they're added, is the most critical.
And because these three materials are sufficiently old in years, they must be refined first.
As for the other ingredients, since they're all auxiliary, used to adjust medicinal properties, they instead seem not quite so important.
Yang Yan focused all his attention on the changes in the flame; just as the white of the fire grew somewhat faint, a gleam of sharp light flashed through his eyes.
"Go."
The Nine Spirits Grass trembled, then flew toward the Medicine Cauldron.
The Cauldron's lid opened with a responsive pop, and as the Nine Spirits Grass flew in, it snapped shut again.
