The announcement arrived the way real threats always did:
Without drama.
Just a single sheet pinned to the central board, stamped with the academy seal, names written in black ink.
Caelum read his once.
Mixed Squad 3 — Observation & Field Assignment
Senior Cadet in charge: Lyra Aldric
First-year cadets: Caelum, Darius, Selene, Bram
He didn’t need to read it twice to feel the air grow heavier.
This wasn’t coincidence.
The human kingdom might not know who he was, but the academy was designed to do one thing extremely well:
Measure people.
The demon realm had sent him here to infiltrate, yes.
But Asteria had its own invisible network—records, instructors, routines, hierarchies.
And a mixed squad was exactly the kind of structure that revealed what someone truly was when they were pulled out of their comfort zone.
Caelum drew a slow breath.
Rule one: don’t react.
Rule two: don’t look at her too much.
Beside him, Darius whistled.
“Lyra Aldric? That Lyra?” he said, excited. “The one everyone says is on track to become one of the kingdom’s great warriors?”
Selene didn’t smile, but her interest was obvious.
“She has a strong reputation. She doesn’t hand out praise… but she doesn’t humiliate people for fun either,” she commented.
Bram, quieter, swallowed hard.
“They say her family is close to the throne…” he whispered.
Caelum said nothing.
Close to the throne.
If only they knew.
He looked back at the paper as if reviewing details. As if his pulse hadn’t changed. As if the world hadn’t just aligned itself to place her directly in front of him.
Morning training continued as usual: running, endurance, formation drills. The cold clung to skin, sweat contradicted it, and the central courtyard filled with instructors barking corrections.
Caelum ran with the group, maintaining a solid pace—never outstanding. He let Darius stand out a little more. Let Selene show precision.
He simply performed.
A spy doesn’t win a race.
A spy wins access.
After physical training came the uniform change and squad meetings.
Their meeting point was marked in the northern side courtyard, where upper cadets trained. Caelum arrived with the other three.
And there she was.
Lyra stood in the silver uniform of the second cycle. Not flashy—but unmistakable: reinforced stitching, Asteria’s emblem over her chest, training gloves, sword at her hip.
Her chestnut hair, tied in a low ponytail, moved slightly in the wind.
Caelum felt a faint pressure in his chest—an old reflex.
No.
Don’t allow that.
Lyra lifted her gaze and studied them the way an officer studied a newly assigned unit: no emotion, no contempt.
Only evaluation.
“Mixed Squad 3,” she said clearly. “Form up.”
The four obeyed. Lyra scanned them one by one, and Caelum had to suppress the urge to lower his eyes.
Not out of submission.
Because holding her gaze longer than necessary was dangerous.
“Darius,” she said. “Selene. Bram. Caelum.”
She spoke his name without pause. Without any special reaction.
It was a relief…
And a small wound at the same time.
You don’t recognize me.
Good.
Lyra walked in a half-circle before them.
“This squad exists for two reasons,” she explained. “First: to evaluate how you respond under someone who isn’t your direct instructor. Second: to measure whether you can operate with superiors without becoming dead weight.”
Darius opened his mouth to speak.
Lyra cut him off with a single dry look.
“I don’t want enthusiasm,” she said. “I want discipline. Enthusiasm lasts one day. Discipline lasts an entire campaign.”
Caelum noticed Selene nod slightly.
Lyra pointed toward the outer advanced practice field.
“Today we’re running a coordination test: navigation, communication, and reaction under pressure. It’s not a duel. It’s not brute strength.”
She paused.
“It’s judgment.”
She led them down a stone path toward a wooded zone within the academy perimeter. A circuit had been built there—flags, pits, low walls, small towers.
Two instructors and several upper cadets waited at the edge.
And Caelum saw him again.
His former master.
He wasn’t leading. He didn’t need to. His presence alone altered the air.
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The man spoke quietly with another instructor, but as the squad approached, his gaze slid across the group…
And stopped a fraction too long on Caelum.
Caelum kept his face still.
There was no recognition.
There couldn’t be.
But the master watched him the way someone watched a familiar gesture in a stranger.
“Senior Cadet Aldric,” the master said when Lyra approached. “Your unit?”
“Yes, sir,” Lyra replied with respect.
Caelum felt the edge of the past brush the back of his neck.
The master wasn’t the same instructor from Asteria’s courtyard.
He was heavier now. Harder. Marked by war.
And yet…
The way he stood. The way he spoke. The way he carried himself…
It was identical.
As if time had added layers without changing his core.
The master looked at the four recruits.
“Today I don’t want heroes,” he said. “I want to see who breaks when they don’t understand what’s happening.”
His eyes passed over Caelum again.
“Real war feels exactly like that.”
Lyra nodded.
“Understood.”
The circuit began.
Lyra took command with efficiency, assigning roles without wasting time.
“Darius, forward with me. You’re the toughest—carry equipment if needed. Selene, you and Bram stay back. Cover flanks and report alternate routes.”
Her gaze shifted.
“Caelum.”
She didn’t hesitate. And that detail mattered—she didn’t choose him out of sympathy.
She chose him out of assessment.
“Caelum, you’re my link. Stay two meters from me. If I say ‘left,’ it’s left. If I say ‘halt,’ it’s halt. No questions.”
Caelum nodded.
“Yes, Senior Cadet.”
It was the perfect order.
The link was the one who absorbed command stress.
The one who had to move fast without drawing attention.
Good eye, Lyra.
The circuit grew more intense than expected.
It wasn’t a race. It was a sequence of situations: a wall forcing a decision between climbing or detouring, a pit simulating unstable ground, a stretch of forest filled with false flags designed to confuse routes.
Caelum watched Darius, driven by impulse, try to solve problems through brute force.
Lyra stopped him with a short command—dry, controlled.
Selene moved like she was playing chess, searching angles, reading patterns. Bram, nervous, followed instructions exactly…
But with the kind of rigid obedience that shattered the moment something changed.
And something did.
A whistle cut the air.
A training arrow slammed into a tree less than a meter from Bram’s head.
Bram froze.
“Simulated ambush!” an instructor shouted.
Masked figures emerged from the trees with practice weapons. They didn’t attack like sparring partners.
They attacked like a coordinated unit designed to isolate, sever communication, and create chaos.
Lyra didn’t hesitate.
“Formation! Darius, with me up front! Selene, cover Bram. Caelum—”
Her voice dropped just a shade.
“Don’t lose the link.”
Caelum moved like his body had always belonged to him. He positioned close enough to hear her, close enough to intercept an attack if necessary…
But not close enough to look like he was protecting her.
He wasn’t her bodyguard.
Not here.
One attacker rushed Lyra with a practice sword. She blocked, countered, and drove him back with a precise motion.
Caelum saw it.
The wrist turn.
The sequence.
It was… familiar.
Not because he had seen it before.
Because he had lived it.
That movement… you learned it in the palace.
From someone.
Not from the academy.
His mind connected the lightning-fast line: the master trained generations, yes.
But some techniques weren’t common.
They belonged to a specific style.
A style Caelum knew far too well.
“Caelum!” Lyra’s voice cut him off. “Left!”
He reacted without thinking. Pivoted and blocked a strike aimed at his side. The wooden blade vibrated against his arm. The attacker stepped back.
Lyra looked at him for a moment—almost surprised.
Not because he blocked.
Because of how clean the block was.
Darius shouted from the front as he defended.
“There’s too many!”
“No,” Lyra snapped. “There are enough to see who panics.”
“Bram is freezing!” Selene warned.
Bram trembled, practice sword held like a broken branch.
Lyra clenched her jaw.
“Caelum, with me.”
Caelum obeyed instantly.
Lyra moved toward Bram at speed. Caelum followed like a controlled shadow.
An attacker stepped between them and Bram. Lyra tried to angle around him, but the attacker shifted.
Caelum saw the opening.
He could end it in one second.
So clean the attacker wouldn’t even understand what happened.
No.
That would draw too much attention.
So he chose what was just enough.
He stepped in, blocked, drove his shoulder forward, created the smallest gap.
Lyra took it and reached Bram.
“Breathe,” she ordered. “They’re testing you. If you freeze, you die.”
Bram swallowed.
“I-I can’t—”
Lyra grabbed his uniform and forced him to look at her.
“Yes, you can. Because if you can’t, you don’t belong here.”
The hardness in her voice wasn’t cruelty.
It was necessity.
Caelum felt something old shift inside his chest—the same hardness he once trained with in Asteria as a prince.
The same hardness he survived with among demons.
Lyra released Bram.
“Selene, take him back. Darius, fall to point two. Caelum—link. Mark an alternate route east.”
Caelum nodded.
He moved quickly toward the eastern flag marker, scanning the terrain.
And there he saw something that froze his spine for a fraction of a second.
At the edge of the circuit, among the instructors, a cloaked figure watched in silence.
Not an instructor.
Not a cadet.
Someone who didn’t belong to the academy’s visible structure.
Caelum knew it by instinct.
Because that gaze wasn’t measuring strength.
It was measuring usefulness.
And when the figure raised a hand slightly, Caelum saw a ring.
A carved symbol.
A serpent biting its own tail…
With an eye at the center.
Caelum felt the air tighten.
The Sin of Envy.
Not the Sin himself.
But someone from his network.
An agent.
The agent turned and vanished into the crowd as if he had never been there.
Caelum didn’t move.
Didn’t chase.
He couldn’t.
Second rule: never reveal you saw the hunter.
He returned to Lyra, controlling his breathing.
“Eastern route is clear,” he reported.
Lyra nodded without looking at him too long.
“Then we take it.”
The simulated ambush ended when the lead instructor raised a red flag.
“Enough!”
The attackers withdrew.
The four stood in the center of the circuit, panting, covered in dust. Bram was pale but upright. Darius breathed hard, thrilled as if he had survived something real. Selene scanned the area with a dangerous calm.
Lyra stepped forward, posture firm, and reported with military precision: routes, failures, reactions, discipline.
The master listened in silence.
When she finished, he nodded slowly.
“Acceptable unit,” he said. “But there was a detail.”
Caelum felt the weight of those words.
The master walked toward them at a measured pace.
“Darius. Too much impulse. Selene. Good reading. Bram…”
His gaze sharpened.
“You almost broke. Harden up, or they will kill you.”
Bram lowered his eyes.
The master stopped in front of Caelum.
And stared.
Too long.
“And you,” he said carefully. “Your movements.”
Caelum held his gaze without visible tension.
“What about them, sir?”
The master narrowed his eyes.
“They look… old.”
Caelum didn’t react.
“Not academy-old,” the master continued. “Old like someone learned them earlier. Somewhere else.”
Lyra turned her head slightly toward Caelum.
Not with suspicion.
With interest.
Caelum forced himself to speak like a cadet with no history.
“My father taught me the basics before he sent me,” he said. “Nothing special.”
It wasn’t a complete lie.
It was a useful one.
The master stared a few seconds longer.
Then exhaled through his nose.
“Then your father wasn’t ordinary,” he said. “Don’t waste it.”
He turned and walked away.
Lyra exhaled slowly, as if only now feeling the weight of what had just happened.
“Good,” she said, returning to formality. “Mixed Squad 3—return to formation. And…”
She paused, just barely.
“Good link.”
Caelum nodded.
“Thank you, Senior Cadet.”
Darius grinned, proud.
“We did great!”
Selene looked at him.
“We almost died in a simulation.”
“But we didn’t!” Darius shot back.
Caelum walked in silence.
On the outside, he was just another cadet.
On the inside, the world had shifted.
Because in a single day, two things had happened:
-
Lyra had seen enough of him to remember him, even if she didn’t know why.
-
The Sin of Envy already had eyes inside the academy.
When afternoon fell, Caelum stood alone for a few seconds in the courtyard, looking toward the upper fields where second-cycle cadets trained.
Lyra was there, speaking with a group. She laughed faintly—a small, controlled laugh. Not the barefoot laugh of a two-year-old child.
But it was her.
Caelum felt the urge to approach.
He didn’t.
The rule: don’t look at her.
He turned to leave…
And stopped.
On his bed in the dormitory, someone had left an envelope.
It hadn’t been there that morning.
The seal wasn’t the academy’s.
It was dark wax, stamped with the eye-serpent symbol.
Caelum closed the dormitory door carefully.
The others were in the dining hall, eating.
He was alone.
He opened the envelope.
Inside was a single line:
“Tonight. The ruined halls of the North Wing. If you want to survive, come alone.”
And beneath it, a second sentence—shorter still:
“The Sin of Envy has spoken.”
Caelum felt the air turn cold.
It wasn’t an invitation.
It was a trap…
Or a warning.
And both were bad.
He folded the paper, stood, and looked out the window.
Asteria slept peacefully.
As if it didn’t know that inside its academy…
The war had already begun.
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