For the Spirit Root Pill Recipe, Luo Chen planned to use Heaven and Earth Root as the main ingredient, with Night Feather Flower, Purple Monarch Leaf, and thirteen other herbs as supporting ingredients.
He had also prepared dozens of alternative supporting herbs, ready to swap in at any time.
Did that sound like too few?
In fact, it was already quite a lot.
To Luo Chen, the conjecture left by the Heaven Refining Devil Monarch was far-fetched, but the pill was meant for mortals who had yet to set foot on the path of cultivation.
The Spirit Root Pill therefore could not be too high-grade.
If it was, mortals could not withstand its terrifying Medicinal Power.
And ordinary Tier 1 and Tier 2 Pills did not use several main ingredients at once the way Tier 3 and Tier 4 Pills did.
As for supporting ingredients, Luo Chen had already chosen plenty.
He needed to draw out Heaven and Earth Root's strengths while avoiding as many of its weaknesses as possible. Finding the right combination of supporting ingredients was difficult even for a Fourth Order Alchemist and demanded careful deliberation.
Fortunately, now that he had settled on his main approach, he could feel his way forward bit by bit.
Within the Pill World, Luo Chen moved between the Three Mountains and Five Lakes. The herb basket on his back filled up, was replaced, then filled again.
He gathered every herb he needed with his own hands.
It was tedious work to watch, but deeply satisfying to do.
Luo Chen put what he had learned from the Bamboo Slips in the study to use while gathering herbs. Some of his methods also came from experience accumulated over the first half of his life.
Only then did he suddenly realize why most herbs