"Alchemy... requires fire."
Xiao Yan looked around and spoke solemnly.
Everyone present froze for a moment, then began scribbling furiously.
"Flame control, timing, and temperature are all crucial to whether a pill can take shape. Next comes the selection of medicinal materials..."
Xiao Yan covered these points in just a few sentences.
He knew the alchemists seated before him already knew this information by heart, so he did not belabor it. Instead, he moved straight into a practical demonstration. A wisp of flame ignited at his fingertip. "I'll select a few representative pills from each grade and refine them one by one. Everyone... pay close attention."
The Mysterious Black Cauldron hovered in midair.
An ink-green fire serpent coiled around it, lighting up the furnace's eight inner faces in succession.
"Is that... a heavenly flame?!" Xin Lan's beautiful eyes abruptly froze. It took her a while to regain her composure. Although it was hardly unexpected for a young prodigy in alchemy to acquire a heavenly flame, even a genius like Cao Ying did not possess one, only a flame seed passed down through her family. His status as a seventh-rank alchemist was probably genuine.
And this eerie green flame closely resembled the Netherworld Poison Flame, reputedly twentieth on the Heavenly Flame Ranking...
Yet even as the ink-green fire serpent heated the furnace, Xiao Yan showed no intention of adding medicinal materials.
Xin Lan found that somewhat puzzling. By her understanding, the temperature was right. What was this Dao Sect master still waiting for? In the next instant, another pale-cyan fire serpent slowly appeared, coiling around the northwestern and southwestern faces of the Eight Trigrams Furnace, its duties clearly divided from those of the ink-green serpent.
"Another heavenly flame?!" Towering waves surged through Xin Lan's heart. As an alchemist, she naturally understood