The stairwell fell away into stone coolness, each step polished by generations of careful feet. Lamps burned low along the walls, their light caught in green glass and bent into softer hues. Below, the air thickened with mineral damp and the faint sweetness of crushed leaves. The hall waited, patient as a held breath.
A vaulted chamber opened at the stair’s end, ribbed with arches and lined by long tables worn smooth. Cauldrons sat in disciplined rows, black iron bellies dull with use. Shelves rose along the walls, crowded with jars—petals pressed flat as bookmarks, powders ground fine as ash, liquids that glimmered when no one was looking. At the far end, a teaching dais stood like a judge’s bench, scarred and steady.
Students filtered in, cloaks whispering. They took their places with the careful choreography of those who knew the room watched back. The lamps dimmed another notch. Somewhere, water dripped, counting time.
The professor arrived without announcement, a presence rather than a footfall. They set a leather-bound ledger upon the dais and did not open it. Their gaze moved along the tables, weighing hands, measuring posture, noting which eyes followed the cauldrons and which sought the shelves.
“Tonight,” the professor said, voice even as poured oil, “you will brew for balance. Not strength. Not speed. Balance.” A pause. “It will resist you.”
A ripple moved through the room. Balance was treacherous. It demanded patience and punished vanity.
Ingredients were distributed: a slate bowl of pale granules that smelled of rain; a vial of amber resin, warm to the touch; a bundle of roots, knotted and stubborn. A final item arrived last—a single leaf, dark-veined, cut into precise halves. The professor placed one half on each table, keeping the other half back.
“Do not begin,” they added, eyes narrowing, “until the smoke agrees with you.”
Flames were coaxed beneath cauldrons, blue tongues licking iron. Water warmed. Students crushed granules, measured resin by drop, teased fibers from roots. The first wisps of smoke rose, thin and white. It curled uncertainly, testing the air.
At one table, a student hesitated, fingers hovering over the cauldron. Their partner leaned in, whispering a count. Across the hall, someone rushed the resin, and the smoke darkened, sulking.
The professor moved between tables, silent as a shadow. They stopped once, adjusted a flame by the width of a fingernail, then continued. No praise. No rebuke.
The leaf halves waited.
As minutes stretched, the smoke began to change—thickening, thinning, responding to heat and hand alike. In some cauldrons it rose straight and proud. In others it sagged, restless. The students’ breathing fell into patterns, matching the slow rhythm of stir and pause. The hall seemed to lean closer.
“Now,” the professor said softly, and the word traveled farther than it should have.
Leaves slipped into cauldrons. The smoke answered.
At the center table, the smoke folded inward, not rising but pooling, a small storm contained by iron. It shimmered, colors chasing each other through gray. The student there froze, spoon mid-stir.
“Hold,” the professor said, sudden and sharp.
The hall stilled. Flames guttered lower as if obeying. The smoke at the center table thickened again, then—impossibly—thinned to a thread. It wavered, seeking equilibrium.
The professor approached, produced the second half of the leaf, and held it above the cauldron. “Balance,” they murmured, not to the student but to the smoke itself.
The leaf did not fall. It hovered, caught in the current, edges trembling. A breath passed. Another. Then the leaf split—no, unfolded—its veins lighting faintly as it became something else, a mirror of its other half yet not the same. The smoke steadied, rising in a single, calm column.
A sound escaped the room, collective and small.
The professor withdrew their hand. “Remember this,” they said, voice low. “The measure is not force. It is listening.”
At the far tables, mixtures corrected themselves or failed outright. One cauldron belched a dark plume that collapsed into itself, leaving only a bitter smell and a student blinking in surprise. Another shimmered, then went clear as glass.
The ledger on the dais opened at last. A pen scratched. Names were not read aloud.
As the lamps brightened, the professor’s gaze lingered on the steady column of smoke at the center table. It thinned, precise, as if memorizing the room.
Somewhere behind the shelves, a jar chimed once—unprompted.
The smoke held its line.
This is an original work of fiction created by Brick Crossing, inspired by the design themes of LEGO® set 76431.
LEGO® is a trademark of the LEGO Group, which does not sponsor, authorize, or endorse Brick Crossing.