The next morning, they returned to the copper purification. The dissolution was complete, leaving a clear blue-green solution. Perenelle showed Rowan how to carefully decant it, separating liquid from sediment, then how to set up the crystallization.
"We'll evaporate the solution slowly," she explained, "allowing pure copper sulfate crystals to form. These crystals represent copper in a perfected, purified state. All impurities removed, the Venusian nature fully expressed."
"What does Venusian nature mean?" Rowan asked.
"Venus governs the connection, harmony, and attraction between things," Nicholas explained. "That's why copper conducts magical energy so well. It naturally facilitates bonds and bridges. When we work with copper in alchemy, we're working with the principle of bringing things together."
As the solution slowly evaporated over gentle heat, Nicholas talked about recognising the signs of a process going wrong.
"You've learned the theory behind planetary correspondences, the three primes, and the stages of transmutation. But what the books don't teach you is what it looks like when a reaction is failing. The colour shifts are subtle and they happen fast. If you're moving copper through its Venusian purification and the solution goes cloudy instead of deepening, you've contaminated it and no amount of patience will bring it back. You have to start over."
"How do you know when it's going right?"
"You feel it." Nicholas tapped the side of the crucible. "The magical field around a successful transmutation has a particular resonant quality. A failing one feels brittle. After enough practice, you'll sense the difference before you see the colour change, and that instinct will save you more wasted material than any textbook."
Rowan watched the solution and tried to feel what Nicholas was describing. There was something there, faint and hard to distinguish from the ambient heat of the workshop, but present. A hum in the air above the crucible that seemed to pulse in time with the slow evaporation.
"There," Nicholas said, watching his face. "You can feel it already. Good. Most students take weeks."
Over the following days, they completed the copper purification and began more complex exercises. Nicholas taught him how to extract and purify essences from plants using distillation, to understand how the three primes manifested in living matter.
"Plants are simpler than metals alchemically," Nicholas explained as they set up an alembic to distill essential oil from lavender. "Their transformations are faster and principles more accessible. Good for practicing basic operations before moving to mineral work."
The lavender distillation took hours. Rowan watched the slow process. Heating the plant material, condensing the vapor, collecting the precious droplets of essential oil that emerged. The scent was overwhelming, sweet and herbal, filling the laboratory.
"This oil," Perenelle said, holding up the tiny vial of golden liquid they'd produced, "contains the Sulfuric principle of lavender. Its transformative essence, its soul. The water we've collected contains the Mercurial principle. Its spirit. The plant matter remaining in the flask is the Salt. The body. We've successfully separated the three primes."
"What can you do with them once separated?"
"Recombine them in different proportions to create enhanced versions of the plant. Or extract just one principle for specific uses. The essential oil for perfume or medicine, the salt for burning as incense, the spirit water for purification rituals. Understanding these separations is fundamental to advanced potion-making and herbology."
They moved from plants to minerals, performing simple transformations on metallic salts. Converting copper sulfate to copper carbonate, dissolving silver in acid and recovering it through precipitation, purifying sulfur through repeated distillation.
Each operation required patience, precision, and constant attention. Rowan found himself losing track of time in the laboratory, focused entirely on maintaining exactly the right temperature, adding reagents at exactly the right moment, monitoring color changes that indicated successful transformation.
"You have good instincts for the work," Nicholas observed one afternoon as Rowan carefully adjusted the athanor's heat to prevent their calcination from proceeding too quickly. "Many students grow impatient and rush the processes. But you're content to work at the pace the material demands."
"I spent years working in a mill," Rowan replied. "I learned early that materials have their own rhythms. Trying to force them just leads to broken machinery or broken fingers."
In the afternoons, while alchemical preparations slowly progressed, Rowan worked on his own projects in the workshop. He began sketching designs for communication devices, but quickly realized he was missing fundamental knowledge.
"I need to understand runes," he told Nicholas one afternoon as he stared at failed enchantment attempts. "I can combine Charms and alchemical principles, but without a proper runic foundation, I can't create stable, permanent enchantments."
"Ah!" Nicholas's eyes lit up. "You've identified the missing piece. Runes are essential for any lasting magical construction. They're the written language of magic itself. Actual structures that channel magical energy according to precise geometric rules."
He disappeared into the library and returned with a leather-bound tome, its cover embossed with intricate runic patterns that seemed to shift slightly when viewed from different angles. "This is something Perenelle and I wrote about forty years ago. Foundations of Runic Theory and Practice. We never published it because the magical community wasn't ready for some of our more radical conclusions about how runes actually function."
Rowan accepted the book reverently and opened to the first page:
Runes are not merely alphabet characters imbued with magic. They are geometric representations of fundamental magical forces. Each rune is a condensed expression of a specific type of magical energy, and when properly inscribed, carved, or otherwise manifested, it channels that energy according to precise rules.
Traditional runic education teaches memorization: Fehu for wealth, Ansuz for wisdom, Thurisaz for protection. But this approach treats runes as arbitrary symbols whose meanings were decided by ancient wizards. This is incorrect. Runes work because their geometric structure channels magical energy in specific ways. The meaning derives from the structure, not from tradition.
"Most runic practitioners," Nicholas explained, "learn by rote. They memorize that Fehu means wealth without understanding why. But you need to understand the underlying principles. How the shape of the rune determines its function."
Rowan spent the rest of that afternoon absorbed in the first chapter, which covered the Elder Futhark. The oldest and most powerful runic alphabet. The Flamels' approach was revolutionary.
Consider Fehu (ᚠ): Two ascending lines meet a vertical stroke at an angle. Examine the geometry: magical energy flows along the vertical line, reaches the junction point, and is divided along the two angled lines projecting upward and outward. This creates an expanding, multiplying flow pattern. Thus: wealth, prosperity, increase—things that grow and spread. The shape determines the function.
Rowan looked up from the book, his mind racing. "This is treating runes as magical engineering. The shape creates specific flow patterns in magical energy."
"Exactly!" Nicholas beamed. "Once you understand that, you're no longer limited to what tradition tells you a rune can do. You can modify them for specific purposes, combine them in ways that create entirely new functions, and design arrays that no traditional practitioner would think to attempt."
"Like what?"
"Like what you'll need for your telegraph, runic arrays that maintain stable magical connections over distance."
Perenelle joined them, carrying her own annotated copy of the book, its margins filled with decades of additional notes. "Nicholas is getting ahead of the curriculum. Rowan, you need to understand basic runic function before attempting advanced applications. Read the chapter on individual rune analysis first."