Realization gleamed in Lin Shisan's eyes as understanding dawned.
He put away the Biluō Purple Cauldron and sat cross-legged before the stone platform again.
He still had two days left, and he wanted to seize this chance to study and comprehend as much of the Nine Yang Cauldron as possible.
This single day of comprehension equaled a month outside, and he had gained a great deal.
What these runes contained was more than just the Alchemy Method.
They also held the understanding and painstaking efforts of countless predecessors in the Dao of Alchemy since the Danyang Sect's founding.
Each rune was a legacy, an opportunity.
Once again, he slowly extended his divine sense toward the Sixth Rune.
This time, a middle-aged man appeared in the images.
His alchemy techniques were extremely peculiar, as though he were drawing talismans, yet also laying out arrays.
For every spirit medicine he placed in the furnace, he drew a rune on the cauldron wall.
Once he finished drawing the final rune, the medicinal liquid in the cauldron gathered of its own accord, becoming a spirit pill that shone with golden light.
Rune-Infused Alchemy, Array-Controlled Fire.
Lin Shisan's heart shook.
Five Elements Divine Refinement had mentioned this alchemy method, but its description was extremely brief, no more than a few words.
Yet the predecessor before him demonstrated the entire set of techniques in full.
From drawing the runes to constructing the array, from proportioning the spirit medicines to controlling the heat, everything was exact to the smallest degree.
Lin Shisan watched without blinking.
He had always thought that alchemy was alchemy and array formation was array formation, two wells whose waters never mingled.
But this rune told him that pills and arrays, medicines and talismans, could indeed be interconnected.
The key lay in that very