"The previous semester was strictly theoretical. This semester demands the physical application of those abstract concepts."
Instructor Vigo paced the front of the room, his voice crisp. "Observe the model on your desks."
He placed a hand on a three-sided box: a floor and two adjacent walls.
"Identify the components: a Mana crystal and an unlit lamp. It mirrors your initial dissection model, with one critical omission: the conduit."
Vigo swept his gaze across the room.
"Your directive is to render the lamp operable. The crystal's internal battery contains precisely ten minutes of energy if directly interfaced. It is not interfaced. Deduce your solution. Altering the physical placement of either component results in failure. Introducing external energy into the system results in failure. Your architecture will be subjected to multiple grading rubrics."
He paused, letting the constraints settle.
"Provided tools are acceptable; personal tools are permitted. Deadline is the conclusion of this period. Commence."
The class set to work in near silence, the room filling with the scratching of styluses and the soft clinking of metal. It was a rare atmosphere—a totally focused cohort of intellects. These were the closest beings to the position of being my peer.
Commencing resource inventory, Arthur thought.
In his mind, he dismantled the components before him. He suspended the pieces in the void of his imagination, placing each part exactly five centimeters apart.
The crystal sat on the desk, a jagged lump of dark red mineral. High impurity. It possessed a mass near one hundred grams, though Arthur knew the actual crystallized mana inside weighed barely a gram. According to Vigo, it held enough energy to sustain the lamp for ten minutes.
Ten minutes. A hard mathematical limit.
The timeframe hung in Arthur's mind.
Interfacing the components triggers immediate countdown.
For a Small Crystal of this mass—far below the ten-kilogram threshold of a Large Crystal—activation wasn't a matter of inputting energy. These volatile little stones were self-sustaining. They didn't need a spark; they only needed a door.
Combustion that runs unabated until fuel depletion is not a mechanism; it is a catastrophic failure.
To make the lamp operable implied control. It implied the ability to extinguish the light without destroying the fuel source. He didn't just need a connection; he needed a switch.
Arthur's eyes shifted to the heavy, copper-colored cylinder lying next to the crystal. A standard Conductive Metal Rod.
Inert matter, Arthur thought, lifting it. It possesses zero agency.
Typically, engineers employed it for transfer by thermal conduction, but the thought made Arthur's lip curl. Thermal Conduction was the absolute worst method of energy transfer. It bled potential as heat, sacrificing efficiency for simplicity. Only a novice would resort to it.
But the material itself held promise.
He rotated the rod between his fingers, his mind dissecting its atomic potential.
Conduction is counterproductive. I require complete systemic obstruction.
If he engraved the tip with a repulsion rune—matching the polarity of the crystal's drive rune—he wouldn't create a flow. He would create a stalemate. A stagnation point where the crystal's outward pressure met the rod's inward refusal.
A Stabilizer Rod. A mechanical throttle.
He flipped the Rune Engraver in his hand, gripping the weighted brass handle. He turned it to the back end, where the blade was broad and curved, designed for heavy shearing.
Execute severance.
He drove the blade into the copper rod. The metal split, then yielded, a clean five-centimeter segment clattering onto the desk. This pin, once engraved, would be his brake.
But where to put it?
Arthur picked up the red crystal. The brake couldn't sit in the channel; it had to sit at the source. It had to choke the reaction at the heart.
He flipped the Rune Engraver to the fine-point stylus. He held the crystal steady with his left hand and pressed the stylus into the center of the stone, directly down the core axis.
Commence excavation.
The stylus whined as it ground against the mineral. Red dust coated his fingertips. He worked with surgical precision, carving a cylindrical void into the heart of the crystal, perfectly sized to house the copper pin.
Now, the throttle itself.
He reached for the severed copper pin. It wasn't enough to shove metal into the path. The metal had to speak the language of the current.
He brought the Rune Engraver to the flat face of the copper cylinder. The tip hissed as it bit into the conductive alloy.
Face one: Dqfqhglozoct.
He etched the strict, angular glyph—the Positive Rune. He flipped the pin.
Face two: Dqfqftuqzoct.
He carved the Negative Rune.
Push and pull. A dipole moment within a singular point.
He set the prepared rod down. It was ready.
Now, the aqueduct.
Arthur looked at the empty air between the crystal socket and the lamp socket.
Sixty centimeters.
A significant gap. Too far for the cut rod to bridge, and he had already dismissed Thermal Conduction as waste.
Field Coupling? Unacceptable. Atmospheric ionization yields massive energy hemorrhage. The methodology is offensively undisciplined.
His gaze drifted upward, past the classroom ceiling, imagining the massive infrastructure hidden behind the stone barriers of the Academy.
Coherent Light Amplification.
The image bloomed in his mind—the Parabolic Retro-reflector System. He closed his eyes, visualizing the geometry. A massive parabolic dish collecting the rear-facing energy, reflecting it forward in parallel lines. A spherical cap mirror on the front, recycling the divergence back through the core.
The output wasn't a clumsy spray of sparks. It was a "Donut Beam"—a perfect ring of coherent light shooting from the annular gap, stabilized by a core rod preventing thermal blooming.
It was the pinnacle of human engineering. Elegant. One-hundred percent efficiency.
The opportunity to analyze this city's primary power core would be invaluable, Arthur thought, a pang of genuine intellectual hunger striking him. To observe a Metastable Crystal lasing at maximum output...
But looking back at his desk, the fantasy collapsed. He didn't have mirrors. He didn't have a parabolic dish. Attempting to replicate a city-scale laser with a desk kit was an impossibility.
He looked back at the soft stone baseplate.
A closed wired circuit. It is the singular logical vector to maximize both efficiency and safety.
Arthur took the Rune Engraver again. He didn't inject mana into it yet. First, he mapped the path in his head.
He would carve a channel—a physical tunnel to direct the flow of mana—linking the sockets. But the order of operations was critical.
The infrastructural pathway must be absolute before the potential energy is released.
He had to carve backwards, from the lamp to the crystal.
If the source is seated prematurely, the ambient potential grounds out. It is a total loss.
He glanced at the air surrounding the desk. Air was an insulator. If it were a viable path, the crystal's potential would have grounded itself long ago. The path he carved with the Rune Engraver, however, would be a receptive medium.
Arthur pressed the tip of the engraver into the soft stone near the lamp socket. He didn't hesitate. He began to carve the channel, working his way back toward the source, preparing the vessel for the blood it was about to receive.
The stylus moved with surgical confidence, extending the channel from the lamp socket, carving through the soft stone, until it kissed the edge of the crystal's housing.
Link established.
The physical path was complete, but without a driving force, it remained inert. To induce flow, he needed to warp the environment. He needed to establish a potential difference that the mana would have no choice but to obey.
He looked at the vertical housing behind the lamp socket.
The Sink.
He pressed the engraver into the stone, carving the precise rune: Negative.
He shifted to the housing behind the crystal socket. The Source.
He carved the opposing rune: Positive.
The inscription acted as an anchor. By defining the start as high potential and the end as low potential, he had constructed an invisible slope—a tangible electric field spanning the sixty centimeters of dead air and stone. The voltage gradient was now absolute; the energy would have no choice but to run down it.
Arthur set the Rune Engraver down. The preparation was finished. Now came the proof.
He picked up the modified crystal. The red stone felt warm, vibrating slightly against his skin. The hole in its center stared back at him like an eye.
He aligned it with the source socket.
Interface complete. Activation.
He pressed the crystal into place.
Snap.
The moment the crystal touched the housing, the circuit closed. The positive field shoved the mana out of the stone, and the negative field dragged it screaming across the channel.
Functional.
The lamp flared to life. A blinding, solid white light flooded the desk.
Arthur narrowed his eyes against the glare.
The energy flowed freely. The fuel was burning. If he left it like this, the crystal would be dead in ten minutes.
He reached for the severed copper pin. He held it over the crystal, aligning the runes he had carved on the metal with the invisible fields of the system.
Positive to Positive. Negative to Negative. Repulsion stops flow.
He drove the pin into the hole he had drilled in the crystal's core axis.
Clack.
The copper seated firmly. The repulsive field generated by the rod slammed against the crystal's internal pressure.
The light died instantly.
Arthur watched the dark bulb. No residual fade. No flickering. Absolute termination. The rod held the mana back, acting as a physical dam within the lattice itself.
Total systemic control achieved. Operable.