Morning did not reach the lower halls all at once. It filtered, diluted by stone, arriving as a suggestion rather than a declaration. The lamps along the stairwell burned lower than usual, their green glass filmed with soot from last night’s work. Footsteps echoed cautiously, as if the stone itself were listening for what had been left behind.
The potions hall smelled changed. The usual chorus of herbs and minerals carried a thin, unfamiliar note—clean, almost metallic, like rain striking hot iron. Cauldrons sat where they had been abandoned, emptied but not silent. A faint haze clung near the ceiling, reluctant to leave.
The professor stood alone at the dais, ledger open now, pages turned to a place long memorized. They did not read. Their fingers traced a shallow groove in the wood, worn by years of leaning, waiting.
Students entered more quietly than before. Cloaks were clasped tighter. Conversations stalled and fell away. Eyes went to the center table, where the night before the smoke had learned how to stand.
The cauldron there was clean. Too clean. Its iron surface reflected the lamps with a clarity that felt improper. The student who had brewed it hovered nearby, uncertain whether to claim the space or retreat from it.
“Begin again,” the professor said, without preamble. “Same measure. Same restraint.”
Ingredients were redistributed, identical to the night before. The leaf, however, did not appear.
A murmur rippled, quickly swallowed. Students set to work, slower this time. Granules whispered against stone bowls. Resin fell by careful drop. Flames were coaxed, not commanded.
At the center table, the student paused longer than the rest. They stirred, then stopped. Waited. The smoke rose pale and tentative, unsure whether it would be allowed to remember.
The professor moved through the rows, closer now, their presence pressing against the work like a weather change. They paused beside one cauldron where the mixture trembled, adjusted nothing, and moved on. The tremble steadied anyway.
On the shelves, a jar ticked softly. Another answered. No one looked.
The smoke across the room varied—some thin and obedient, some thick with stubborn intent. None yet found that singular line.
At the center table, the smoke began to fold inward again, repeating the old motion as if retracing steps in the dark. The student’s hands tightened on the spoon. Their partner shook their head, just once.
“Do not chase it,” the professor said, voice low but immediate. “Let it decide.”
The student released the spoon. It rested against the cauldron’s rim, vibrating faintly. The smoke wavered, thinned, then surged—too fast. It darkened, the metallic note sharpening into something almost audible.
A hiss cut through the hall.
Flames leapt. Someone swore under their breath. The smoke at the center table collapsed, plunging back into the cauldron with a sound like breath forced from lungs. The room exhaled in startled unison.
The professor was there in a step, hand raised—not to stop the reaction, but to mark it. “There,” they said. “That is the difference.”
They reached into their sleeve and withdrew the leaf halves at last, still separate, veins dull now. They held them above the cauldron, close enough that heat curled their edges.
“Balance is not a trick you repeat,” the professor continued. “It is a conversation. You spoke too loudly.”
They let the leaf halves fall.
The reaction did not resume. Instead, the liquid cleared, settling into a depthless calm. The metallic scent faded, replaced by something softer, almost kind. The smoke rose again—not straight, not proud, but steady enough to be trusted.
The professor nodded once.
Pens scratched as notes were taken. Names still were not spoken.
As the class dispersed, the student at the center table lingered. When they finally stepped away, the cauldron chimed—just once—without heat or hand.
The sound followed them up the stairs, fading before it could be understood.
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.