The training grounds felt different the next morning.
The wooden posts from the previous session were gone.
In their place stood a row of metallic frames at the far end of the field, each etched with faint mana channels that pulsed dimly in the daylight. They were not targets.
They were mechanisms.
Students murmured quietly as they assembled along the marked lines.
Cain noticed the ground markings from yesterday remained, though some had been altered. The spacing was wider now. Less predictable.
Instructor Halden stepped forward, hands clasped behind his back.
"You learned to cast while moving," he said evenly. "Today, you will learn to move while being interrupted."
A subtle ripple passed through the class.
Halden gestured toward the metallic frames.
The air shifted.
Mana gathered.
From the frames, humanoid constructs emerged one by one , roughly shaped figures of condensed mana wrapped around wooden cores. No faces. No features. Just form.
They stood still.
For now.
"These are not lethal," Halden continued. "But they will not wait for you to prepare. They will not announce when they advance. They will not respect your formation."
A pause.
"If you hesitate, you will be struck."
The constructs twitched.
Then moved.
Not all at once.
One stepped forward abruptly, then halted.
Another drifted sideways.
A third accelerated without warning toward the left flank of the formation.
Several students instinctively cast.
Spells flashed too early. Wind blades sliced empty air. Fire bursts dissipated harmlessly against reinforced mana shells.
The first construct collided with a frontline student's shield. The impact was controlled, but forceful enough to knock him back two steps.
Formation fractured immediately.
"Too early," Halden's voice cut across the field.
Another construct lunged from an angle most hadn't accounted for. A backline caster yelped as the wooden core clipped her shoulder. She stumbled out of position.
Cain did not cast.
He watched.
The constructs weren't random.
Their acceleration points had slight delays , fractions of a second between directional shifts. The mana at their joints pulsed just before movement.
Pattern.
Rei, two positions to his right within their temporary grouping, also hadn't attacked yet.
The third construct veered toward their side.
"Now," Rei muttered under his breath.
Cain moved first.
Not backward.
Sideways.
He shifted just enough to open a narrow angle. The construct committed forward.
Rei's wind-enhanced strike hit the exposed flank.
The mana shell rippled.
Not broken , but destabilized.
Cain followed with a compact fire burst, not large, not dramatic. Focused. Short.
The destabilized section collapsed inward. The construct staggered.
Someone from the frontline capitalized, striking its core and dispersing it entirely.
The grouping didn't cheer.
Another construct was already upon them.
Across the field, other teams fared worse.
One group collapsed inward too tightly, overprotecting their casters. A single construct drove through the compressed space and scattered them entirely.
Another overextended offensively. Three constructs redirected simultaneously and struck their exposed rear.
Halden adjusted something at the metallic frame.
The constructs sped up.
Students noticed immediately.
Footwork grew frantic. Casting grew sloppy.
A fire spell grazed a teammate's sleeve.
A wind blade clipped the ground inches from someone's leg.
"This is controlled," Halden said calmly. "If this were not, you would already have casualties."
Two constructs broke formation entirely and sprinted toward the backline of a different group.
Panic.
A caster froze.
Cain saw it from the corner of his eye.
Instinct pushed at him.
A flicker.
Something inside him sharpened , his perception narrowing, the world compressing into vectors and timing.
For a split second, the air around him felt heavier.
He exhaled slowly and suppressed it.
Not now.
He repositioned instead, stepping across his assigned line just enough to intercept the construct's trajectory without abandoning his grouping.
Rei adjusted immediately, covering the space Cain left.
No words.
The construct lunged.
Cain didn't overpower it.
He disrupted its rhythm.
A low wind sweep to stagger balance. A precise fire strike to the joint node he had identified earlier.
The shell cracked.
Not shattered , cracked.
Rei finished it.
The remaining construct halted as Halden raised his hand.
Silence fell across the field except for the sound of heavy breathing.
Several students were on the ground.
No one was injured seriously.
But many looked shaken.
Halden walked forward, boots steady against the stone-lined earth.
"You relied on predictability yesterday," he said. "You relied on instruction."
He gestured toward the metallic frames.
"These will not wait for your rhythm."
A student near the center frowned. "Sir… they move too fast."
Halden's expression did not change.
"They moved at half-speed."
A ripple of unease spread through the class.
"If this were real," he continued, "half of you would not be standing."
No raised voice.
No anger.
Just fact.
The constructs dissolved back into mana threads and retreated into the frames.
Students slowly reassembled themselves.
Rei let out a low breath beside Cain. "Well," he said lightly, "that was less peaceful than wooden sticks."
Cain didn't answer immediately.
His pulse had stabilized.
The faint pressure from earlier had receded, but not vanished.
The constructs had not been strong.
They had been disruptive.
That was the lesson.
Stationary targets allowed symmetry.
Movement erased it.
As they began to disperse, Cain glanced once toward the metallic frames.
They weren't autonomous.
They were being guided.
Someone had been adjusting their pace mid-engagement.
Artificial combat.
A controlled environment.
But control could always be increased.
And eventually,
Removed.
"Next session," Halden announced before dismissing them, "you will not be told how many constructs will activate."
A few students stiffened.
"Adapt," he finished. "Or fall behind."
The class bowed and began filing out.
Rei nudged Cain lightly with his shoulder as they walked. "Think we survived that one decently?"
Cain gave the faintest nod.
"Barely," he replied.
It wasn't bravado.
It wasn't doubt.
It was assessment.
Behind them, the metallic frames hummed quietly as residual mana drained from their channels.
Controlled instability.
Today it had been artificial.
Cain had the unsettling feeling it would not remain that way for long.