The Citadel's underground simulation hall gleamed with restrained light, a vast chamber carved of magitek steel and crystal.
Energy conduits pulsed through the walls in long veins of blue, feeding the arrays buried underfoot. Each pulse was steady — rhythmic — like a living heartbeat.
This was where legends began: the room where Cor once tested the first of the Glaives, and where Sirius Blake would now forge something the Crown never dreamed possible.
Five shadows waited at the center of the hall — Kael, Rhea, Darius, Lyra, and Sirius himself. Their weapons hung at their sides, ready but sheathed. The scent of ozone and old metal lingered faintly in the air.
The barrier above Insomnia vibrated far overhead, its glow faintly visible even here. Outside, the city slept. Inside, the new Fangs of Lucis prepared for a lesson no one could teach in words.
---
Sirius stepped forward, his black and silver katanas strapped across his back. His expression was calm — but his voice, when he spoke, carried the same quiet authority that could silence even Cor Leonis.
"You've all mastered weapon recall," he began, his tone echoing softly through the chamber. "You've found your rhythm in flame, lightning, wind, and light. You've learned to feel magic — not command it. But that was only the beginning."
Kael folded his arms, impatience flickering across his face. "So what's next? Another rhythm lesson?"
"Not this time." Sirius touched the floor panel, and the magitek grid beneath his boots came alive in a circle of faint azure lines. "You've learned how to fight. Now you'll learn how to move — not as five, but as one."
Rhea tilted her head, curiosity glimmering behind her calm smile. "You're talking about synchronization?"
Sirius nodded. "More than that. You'll learn what the Guard before us couldn't — perfect coordination without command. Instinct, trust, and pulse."
Darius grunted, rolling his shoulders. "Sounds harder than killing a daemon."
Lyra, quietly checking the cartridges in her rifle, murmured, "Then it's worth learning."
---
The chamber lights dimmed to near darkness, leaving only the shimmer of the runic floor. Sirius pressed a key on the console, and black smoke flooded the arena. The smoke shifted, twisted — and took form.
Daemon illusions. Dozens of them.
Tall, sinewy things with glowing eyes and hooked claws — magitek holograms powered by the training array.
Kael's grin widened instantly. "Now this feels like training."
Sirius's expression didn't change. "Not yet. You'll attack only when your rhythm aligns. Move too early, and you break the flow. Move too late, and you break trust. When you move — move together."
Rhea smirked lightly. "So, no solo heroics."
Sirius's gaze flicked to Kael. "Especially no solo heroics."
Kael sighed. "You make one mistake, and it follows you forever."
Sirius ignored him. "Positions."
---
The five spread out into a loose formation. Sirius stood at the center, the eye of a storm waiting to happen.
The daemons stirred, their low growls rumbling through the speakers like thunder.
Then, without warning, Sirius whispered:
"Flow."
Kael vanished first, his daggers flashing in a streak of movement — but he didn't strike. He danced between the illusions, baiting their attention.
Rhea's light followed him like a ghost's trail, bending their perception, making one Kael look like three.
Darius waited, grounded — and when the nearest daemon lunged, he caught its swing with a gauntleted arm, redirecting the blow into the floor with a thunderous crack.
Lyra's pistol fired once — a single clean shot that shattered the daemon's core.
Silence fell.
The team hadn't spoken. They hadn't planned. They had moved.
Sirius exhaled slowly. "Again."
---
The next wave hit harder. Five daemons — moving fast, unpredictable.
Kael sprinted in first, his blades weaving arcs of black flame.
Rhea's illusions bloomed like petals — each image a deceptive mirror that confused their foes.
Darius intercepted an attack aimed at Kael's flank, slamming his gauntlet upward, using the daemon's own momentum against it.
Lyra fired through the smallest of openings — a bullet passing inches from Darius's shoulder, hitting a weak point dead-on.
And Sirius — Sirius didn't move until the others did.
When he finally stepped forward, both katanas unsheathed, it wasn't to lead — it was to complete the movement.
His blades moved not ahead of theirs, but within it.
Each strike he made answered one of theirs — like a harmony following melody.
---
When the simulation dissolved, the room filled with the faint hum of static and their steady breathing.
Kael grinned, panting slightly. "That— that was something."
Rhea's illusion faded around her, her usual calm replaced by surprise. "It didn't even feel like fighting."
Lyra checked her weapon's chamber and holstered it. "It felt… natural. Like everything fit."
Darius crossed his arms, nodding. "Our timing wasn't perfect, but the rhythm was there."
Sirius sheathed his swords. "That's because it wasn't timing. It was trust."
---
He walked to the center of the group, gaze sweeping over them.
"When one moves, the others must feel it before they see it. Every strike you make sends a pulse through the ground — a vibration your allies will learn to sense. That pulse will replace orders, signals, even sight."
Kael raised an eyebrow. "So… no more shouting across the battlefield?"
Sirius gave a faint smile. "If you're shouting, you've already failed."
Rhea's tone softened. "And if we lose the rhythm?"
"Then you stop," Sirius said firmly. "You breathe. You listen. The rhythm always returns to the one who remembers why they fight."
---
The simulation reset again — ten daemons this time, the chamber filled with the hiss of moving shapes.
Sirius didn't give the order.
They simply moved.
Kael disappeared into shadow, his daggers glowing red.
Rhea's illusions spiraled outward, splitting the battlefield into a maze of false positions.
Darius's gauntlets slammed into the floor, sending a pulse through the ground that scattered the illusions just enough for Lyra's bullets to find perfect paths.
Every motion carried intent.
Every impact fed another.
And when Sirius entered the fray, twin katanas flashing in arcs of light, it wasn't to dominate — it was to align. His strikes wove between theirs, closing gaps, finishing movements that hadn't yet begun.
Their enemies fell in perfect silence.
---
When it ended, the holograms vanished. The blue light steadied.
Rhea brushed a lock of hair from her face. "We didn't need a single word."
Darius nodded, impressed. "Felt like the fight was already decided before we started."
Kael exhaled, a rare moment of awe softening his grin. "We moved like one heartbeat."
Lyra smiled faintly. "And not one of us missed a beat."
Sirius looked at them, his expression unreadable for a moment — then proud. "That's Link-Striking," he said. "Not magic. Not skill. Unity."
He sheathed his katanas, the sound sharp and final. "The world will never see it happen. But they'll feel the result."
---
He turned toward the exit, his voice calm but carrying.
"Remember this night. What you learned here will define everything that follows. You'll fight in silence, die in silence, and win in silence — but never alone. Because your rhythm is shared. Your heartbeat is one."
The four saluted quietly.
And as they stood there, breathing as one, the magitek conduits beneath their feet pulsed again — once, twice — matching their rhythm perfectly.