The hall smelled like sweat and varnished wood, with the faint metallic tang of the seismic plates beneath the floor.
Soren took his position near the center, where the grid pattern of iron beneath his feet registered as a faint, familiar lattice.
His training partner—a girl from the MHA track with hair tied tight enough to pull her eyebrows up—nodded once before falling into a loose stance.
Across the room, the junior instructor tapped a clipboard against his thigh, counting off pairs.
Soren adjusted his footing without thinking, letting the edges of the iron plates guide his steps.
Left toe just shy of a corner junction, right heel grazing the border between two plates.
The structure beneath him responded firmer there, less give.
His first block came easier than expected, his counter-push carrying forward with a fraction more momentum than he’d planned.
His partner blinked, resetting her stance quicker than before.
The instructor paused mid-stride, glanced at Soren’s feet, then moved on.
By the third drill, Soren wasn’t just landing on the junctions—he was using them.
A half-step pivot off a plate edge to redirect a grab, a micro-pause where the grid aligned to steady a feint.
The iron didn’t do the work for him.
It was more like walking downhill without realizing it, the path already sloping where he needed to go.
His partner exhaled through her nose after a particularly sharp deflection.
“You’re *fast* today,” she muttered, not quite a complaint.
Soren said nothing.
He registered the lockers as ambient and went into the hall.
The first thing he read in the hall was the floor.
Not with his eyes—those only registered the scuffed oak boards and the chalk lines marking drill positions—but with that other sense, the one that mapped the world in densities and alloys.
Surface wood, then sub-flooring, then the iron grid beneath, each plate a meter square arranged in a two-meter-spaced lattice.
He traced the pattern automatically, noting where the eastern edge jagged irregular where a structural beam had forced the renovation crew to break rhythm eighteen years ago.
The plates hummed faintly in his awareness, their edges crisp as pencil lines in the dark.
Soren stepped onto the grid, letting the iron topography guide his stance.
Left foot found the intersection of four plates near the centerline; the structure there barely flexed under his weight.
His training partner—the MHA-track girl with the painfully tight ponytail—shifted opposite him, her knees bent in textbook form.
Across the room, the instructor’s clipboard creaked under his grip as he called the first drill.
By the fifth exchange, Soren’s footwork had adjusted itself without conscious input.
He pivoted off plate junctions like stair steps, using the extra fraction of rebound to tighten his blocks.
His partner’s elbow jab came in slow—he deflected it using the firmer footing near a grid corner, his counter-push landing with unexpected precision.
She hissed through her teeth.
“You’re cheating,” she said, not quite accusing.
Soren didn’t answer.
The iron didn’t lie.
He found his position without comment.
Soren’s name came paired with a dual-track classmate—a boy from the FT side with calloused knuckles and a habit of bouncing on his toes between drills.
The junior instructor explained the period’s focus: basic footwork patterns, weight distribution, balance under controlled stress.
Her voice carried over the squeak of training shoes against wood.
First pattern.
Soren stepped forward on the instructor’s count, his left foot finding the exact point where three iron plates met beneath the floor.
The push-off came easier than it should have, his body already compensating for the extra stability.
His partner mirrored him competently, neither fast nor slow.
Second pattern.
A pivot-turn-block sequence.
Soren’s heel landed precisely where the seismic grid offered maximum rebound.
His counter-movement flowed without hesitation, smooth enough that the instructor’s gaze lingered half a second too long before moving to the next pair.
Third pattern.
The FT-track boy exhaled sharply through his nose and *moved*.
Not just faster—cleaner, his form tightening as if he’d been holding back before.
Soren’s iron sense registered the shift a fraction too late; his block connected but without the usual structural advantage.
The instructor’s pen scratched against her clipboard as she noted the change.
His partner moved faster on the third pattern.
On the fourth pattern his footwork shifted.
Not a conscious choice—his body simply adjusted, redistributing weight to the plate edges where the lattice offered maximum rigidity.
His left foot landed just shy of a corner junction, toes angled to exploit the extra rebound, and suddenly his blocks gained a fraction more snap, his pivots half a breath quicker.
His partner noticed.
The FT-track boy’s eyes narrowed slightly, tracking Soren’s feet as they moved through the fifth pattern—another pivot-turn-block sequence.
This time, Soren’s heel found the sweet spot between two plates, the iron beneath providing just enough extra firmness to let him redirect momentum without losing balance.
His counter came out cleaner, sharper, the edge of his palm stopping a millimeter from the boy’s solar plexus.
“You’re using the floor,” his partner muttered, not breaking stance.
Not a question.
Soren didn’t deny it.
The iron didn’t lie.
Sixth pattern.
The instructor called for a feint-and-disengage drill.
Soren’s footwork adjusted again, unconsciously optimizing—right toe planting where three plates met, left heel skimming a grid line.
Just…
more efficient.
Less wasted motion.
Less give.
Across the room, the instructor’s pen paused mid-scratch.
His timings improved by a small margin.
The instructor came by their pair on the seventh pattern.
She didn’t speak—just watched as Soren’s heel tapped the junction of two plates mid-pivot, the slight rebound translating into a tighter block.
Her eyes flicked down to his feet, then up to his hands, then down again.
Eighth pattern: Soren’s partner overextended, and the extra stability from the iron grid let him redirect the stumble into a controlled reset.
Ninth pattern: the instructor walked a slow circle around them, her sneakers silent on the wood.
She disappeared toward the perimeter of the hall, clipboard held loosely at her side.
Soren kept moving—tenth pattern, eleventh—each step still finding the iron beneath, each block still sharper than it had any right to be.
His partner’s breathing grew ragged, but he didn’t ease up.
No point pretending now.
When the instructor returned, she didn’t comment.
Just tilted her head slightly, as if confirming something she’d already guessed.
The pen hovered over her clipboard for a second, then made contact.
Soren caught the faint squeak of ink on paper between drills.
She wrote something brief and moved on to the next pair.
The drills wound down and the students went to the lockers.
Soren peeled his sweat-damp shirt off, the fabric sticking briefly to his shoulder blades before releasing.
The locker room air carried the sharp scent of deodorant and damp concrete.
He reached for his folded clothes, fingers brushing the forgotten belt buckle wedged behind his gym bag—same spot as yesterday, same iron-nickel alloy humming at the edge of his awareness.
He pulled his shirt on without hurry, the cotton settling over fresh bruises along his ribs.
His hands paused mid-motion, sleeves half-drawn.
The afternoon replayed in his head: the way his foot had found plate junctions without looking, the extra snap in his blocks where the floor didn’t give.
Not cheating—just physics.
But physics he’d never used like that before.
Across the room, his training partner slammed her locker shut with more force than necessary.
The sound echoed off the tiles, but Soren barely registered it.
He was too busy cataloging the shift—how his sensor had mapped motion instead of static objects, how the iron lattice had become terrain instead of inventory.
He finished dressing slowly, tucking the observation away with the buckle’s alloy composition and the instructor’s unspoken note.
When he left, the locker room was empty save for the hum of fluorescent lights.
It was the first time the sensor had helped him move better.