East Prussia – July 26, 1914.
The second week of the war opened with the continent already in motion.
France had begun preparing its long-awaited offensive in the west. The French armies massed along the frontier, ready to surge into Alsace–Lorraine and reclaim the provinces lost in 1871. Paris believed the moment had finally come to wash away that humiliation.
Far to the east, in St. Petersburg, the calculations were even more ambitious.
The Russian High Command believed the balance favored them. Together with France, they had crafted a grand design to defeat the strongest pillar of the Central Powers—Germany itself. If the Allies struck hard enough, fast enough, they believed the German Empire could be brought to its knees before its industrial strength fully awakened.
The plan was brutally simple.
France would pin the German armies in the west.
Russia would strike through the east.
If Berlin fell, the war would end.
The Russian planners imagined the map unfolding like a machine: two great invasions smashing through Germany's frontiers, converging toward the heart of the empire.
But the road to Berlin was not empty.
Before Russian armies could even think about the German capital, they would have to secure their flanks.
To the north lay East Prussia, the ancestral homeland of Prussian kings. If left unconquered, German forces there could strike the Russian armies in the side as they marched west.
To the south lay Galicia, held by Austria-Hungary. If that front collapsed, Russian troops would pour through the Carpathian passes and threaten Vienna itself.
So the Russian plan began with two preliminary conquests.
First: destroy the German forces in East Prussia and anchor the northern flank along the Baltic coast and the Vistula River.
Second: overwhelm the Austro-Hungarian armies in Galicia, seize the mountain passes, and establish a defensive wall in the Carpathians.
Once those dangers were neutralized, Russia would concentrate its armies in the center and drive westward toward the Oder River.
Beyond the Oder lay Berlin.
The fall of Germany's capital, the planners believed, would shatter the Central Powers and force a negotiated peace before the war could grow too large to control.
The numbers appeared to favor them.
In the south, against Austria-Hungary, Russia gathered nearly one and a half million men. Opposing them were roughly 730,000 Austro-Hungarian soldiers defending Galicia, supported by the great fortress belt of Lemberg, Przemyśl, and Kraków. Both sides intended to attack, and both expected decisive operations before summer ended.
In the north, the invasion of East Prussia would begin simultaneously.
There, the Russians enjoyed what appeared to be overwhelming superiority.
More than half a million soldiers would march against the German frontier.
Facing them was the Eighth Army—the formation the newspapers had begun calling the Black Legion.
Ten infantry divisions.
One armored division.
Roughly 180,000 men in all, supported by local border guards, police units, and hastily armed militia.
The Russians believed the disparity was obvious.
Numbers would decide the matter.
Two Russian armies would cross the frontier:
General Rennenkampf's First Army, advancing from the northeast.
General Samsonov's Second Army, pushing in from the south.
Once East Prussia was crushed between them, nothing would stand between the Russian army and the heart of Germany.
The offensive was scheduled for the final days of July.
Oskar already knew all of this.
He had studied the Russian plans, measured their assumptions, and prepared his answer long before their armies ever moved. As far as he was concerned, those plans would die here in East Prussia before even their first phase could be completed.
The maps still lay spread across the war room tables in Königsberg, capital of East Prussia. Layers upon layers of preparation covered the wood—rail lines, lake districts, supply depots, artillery sectors, bridges, roads, airfields, fallback zones, telegraph routes. Every road had been measured. Every bridge had been numbered. Every station, every depot, every junction had been accounted for.
But the room itself had gone almost silent now.
The generals were gone. The conferences were over. Orders had been written, signed, repeated, and carried out into the field. There was nothing left to debate. Nothing left to rearrange.
Now there remained only the test.
Could they truly stop the Russians here?
Outside the tall windows, the first pale light of morning was rising over Königsberg.
His birthday was only a day away.
And yet Oskar took no pleasure in it.
Tomorrow he would turn twenty-six, and instead of celebrating it in peace, he would spend it on a battlefield surrounded by death, mud, smoke, and misery.
There was no changing it now. His hand had been forced. He would go south. He would fight. He would kill men from a country whose soldiers, in another life, he had once stood beside in war.
It gave him no satisfaction.
It was not glory.
Only necessity.
For a long moment Oskar stood in silence, looking out at the rising sun.
The war room behind him was quiet now, emptied of generals and arguments. The plans had been written, the orders sent, the trains already moving south toward the front.
There was nothing left to prepare.
Only to go.
Behind him, two familiar women moved quietly about the room, finishing the last details of his armor.
Princess Patricia — the first woman who had danced with him years ago at his coming-of-age celebration — and her petite maid Elise had remained at his side for nearly a week now. Long enough for words to run out. Long enough for arguments, confessions, laughter, and quiet nights to smooth the rough edges between them.
By now nothing more needed to be said.
They understood each other.
Both women were mothers to his illegitimate children, a reality Oskar knew he could not hide forever. And though their situation would have been scandal enough to shatter courts and newspapers, here in the quiet of the headquarters they behaved with a calm familiarity that came from time spent together rather than titles.
They moved around him easily, like two small moons orbiting a much larger world.
Standing on stools so they could properly reach him, they adjusted the final pieces of his armor.
Patricia worked with almost ceremonial focus, drawing a comb carefully through his light blond hair and smoothing it back into place. She insisted that even on the morning of battle he should look like a prince, not merely a soldier.
Elise, smaller and far more meticulous, focused on the small details — adjusting the straps beneath the plates, straightening the layered cloth around his collar, brushing stray dust from the dark steel.
Oskar towered above them both.
The armor covered him completely now: black plates layered across his chest and shoulders, thick gauntlets locking over his forearms, heavy greaves guarding his legs. The steel was brutal and elegant at the same time — the kind of armor that made him look less like a modern officer and more like something older.
Something out of a darker age.
Across his back rested the enormous sword.
Its weight alone would have been impossible for most men to carry comfortably, yet on him it looked almost natural. The massive blade rose above his shoulder like a banner of iron, the skull-shaped pommel framed by winged guards that gave it the appearance of something forged for a grave-king rather than a crown prince.
For a moment Oskar felt mildly irritated at being treated like an oversized suit of armor that needed polishing.
But then Patricia laughed softly at something Elise whispered, and the sound eased the tight knot in his chest.
Despite everything — despite war, despite politics, despite the madness of their lives — they were still here beside him.
And that mattered more than he wanted to admit.
He drew in a slow breath of the cold morning air drifting through the window.
When the final strap was tightened and the armor fully secured, both women stepped down from their stools and looked up at him.
Their expressions were different, but the feeling behind them was the same.
Worry.
Devotion.
And something softer that neither of them tried to hide anymore.
Oskar studied them for a moment.
Then he reached out.
He pulled Patricia toward him first, wrapping one massive arm around her waist and drawing her close. She leaned into him immediately, familiar and unresisting, her hands resting against the dark plates of his chest as he kissed her slowly.
Then he turned to Elise, lifting her easily off her feet with one arm and holding her just as close while he kissed her as well — softer this time, lingering just a moment longer.
Neither woman spoke.
They simply held him.
And for a few quiet seconds the war outside the walls seemed very far away.
Finally Oskar released them.
Patricia lingered a moment longer, fingers resting against the edge of his armor before she stepped back. Elise's hand remained lightly on his arm, as if reluctant to lose contact.
Both women had tears in their eyes now.
Oskar gave them a small, crooked smile.
He reached for the skull-faced helmet resting on the table and tucked it beneath one arm. Then, almost absently, he brushed his fingers through each woman's hair.
"Thank you," he said quietly.
It was enough.
They understood.
Without another word Oskar turned and walked toward the doors.
A moment later he stepped out of the room, through the massive wooden doors of headquarters, and into the rising morning sun.
The courtyard beyond had become a silent sea of steel.
The Third Company of the Eternal Guard stood waiting in perfect ranks, their black armor and blank masks making them look less like men than like statues carved from iron. Beyond them, past the gates of headquarters, the city was already waking to war.
Oskar did not speak.
He simply gave his men a short nod as they stood at attention, and then he walked toward Shadowmane.
The giant black stallion stamped once as Oskar approached, already saddled and armored for war. The animal lowered its head slightly, almost in recognition, as Oskar mounted.
Together they weighed more than a ton of iron, leather, and muscle.
The gates of headquarters opened.
Oskar turned Shadowmane toward the railway station.
The Eternal Guard followed behind him.
Around them, Königsberg was already alive.
Columns of the Black Legion marched through the streets toward their assigned sectors. Trucks rattled past loaded with ammunition, fuel, spare parts, tools, and crates of shells. Motorcycles darted between marching formations, carrying dispatch riders and officers with sealed orders.
The people had come out to watch.
They filled the streets, windows, and balconies. Some waved flags. Some threw flowers into the soldiers' path. Prayers drifted upward into the cool morning air. Songs began as well—old patriotic songs, the sort that had been sung before other wars in other generations.
But when the crowd saw Oskar, the mood changed.
Some shouted his name.
Others simply stared.
The sight of him riding through the city in full black armor—massive, silent, almost medieval in appearance—made the entire moment feel less like a modern war and more like something ancient returning to life.
A prince riding to battle.
A giant upon a giant horse.
And behind him, the Eternal Guard advanced like a wall of iron.
Some in the crowd wept.
Others cheered louder than before.
Young men watching from the streets felt something sharp and electric run through them at the sight. Many of them wished, with all their hearts, that they too could march with the Black Legion.
But not everyone was permitted to go.
So they remained where they were, shouting their encouragement instead.
Soon the city faded behind them.
Oskar boarded the waiting train with Captain Carter and the rest of the escort detachment.
The locomotive lurched forward, carrying them south toward the front.
There, General Hindenburg and General Ludendorff were already preparing the defense.
Originally, their plan had been cautious.
They had intended to fight a delaying battle—drawing the Russian armies into the maze of the Masurian Lakes, forcing them to advance through narrow corridors, then surrounding and destroying them.
It was a sound plan.
But it had a cost.
Hundreds of thousands of German civilians would have been forced to abandon their homes and flee before the Russian advance. Farms would burn. Cities would be looted. East Prussia would become a battlefield before the real battle even began.
Oskar had refused that outcome.
Instead, he had gambled everything.
The Black Legion would not retreat.
It would stop the Russians at the frontier.
The majority of his army waited in the south, where Samsonov's advance threatened to drive directly into the heart of East Prussia.
To the northeast, Rennenkampf would be met by newly appointed commanders and the defensive lines prepared along the Niemen River and the Minija River protecting Memel.
But the decisive blow would come at the Niemen, where the Russians would have to cross before reaching Tilsit.
If the southern front collapsed, East Prussia would fall.
If it held, the Russian invasion might shatter.
Oskar sat in the train carriage, watching the countryside roll past the window.
This was the moment.
His gamble was about to be tested.
Within days, the world would learn whether the Black Legion could truly halt half a million Russian soldiers at Germany's doorstep.
The train thundered southward across East Prussia, carrying him toward the front lines where his army waited.
At the same time, far to the east, the leadership of the Russian First and Second Armies had gathered in Warsaw.
Warsaw was called the capital of the Kingdom of Poland.
But there was little Polish about the power that ruled it.
The man who sat upon Poland's throne was not a Pole, but the Tsar of Russia, and the city itself had long since become another possession of empire—its wealth taxed, its pride humbled, its people watched by foreign uniforms and foreign officers. Russian troops walked its streets like masters. Russian officials occupied its finest buildings. Russian generals drank its wine beneath crystal chandeliers and spoke of the land around them as though it already belonged to them by divine right.
Now, with war spreading across Europe, Warsaw had become the forward brain of Russia's coming invasion of Germany.
Inside the headquarters of the Northwestern Front, General Yakov Zhilinsky gathered his senior officers for the decisive conference.
Commanders of the 1st Army and 2nd Army, corps commanders, cavalry leaders, quartermasters, and staff officers filled the room. Decorations glittered on their uniforms as they leaned over the great tables, maps spread out before them like the plans of a conquest already decided.
The maps all showed the same place.
East Prussia.
Green land.
Rich land.
Beautiful land.
East Prussia was no barren frontier. It was one of Germany's finest provinces—fertile fields stretching toward the horizon, prosperous estates, modern farms, coastal towns, workshops, warehouses, rail yards, machine depots, and neat villages surrounded by orchards and lakes that gleamed like polished glass in the summer sun.
It was civilized.
Ordered.
Productive.
And to the men gathered in that room, it looked like plunder waiting to be claimed.
At the head of the table, Zhilinsky raised one hand and allowed the murmurs to fade.
"Gentlemen," he said, resting his palm upon the map, "the war has begun—and with it comes our opportunity. Germany has committed its strength to the west, throwing its armies against France and Belgium. Good. Let them do so."
His finger tapped East Prussia.
"While the Germans bleed in the west, we shall tear open the east."
A low murmur of approval rolled through the room.
"The enemy in East Prussia," Zhilinsky continued, "is weaker than many feared. Our intelligence places their strength at perhaps one hundred thousand men—perhaps somewhat more—but still only a fragment of Germany's army."
That estimate was not entirely accurate.
Several men in the room knew it.
But none objected.
What mattered was the conclusion.
Russia possessed numbers.
Immense numbers.
The Northwestern Front alone fielded over half a million soldiers, divided into two massive armies, with still more men mobilizing behind them.
Against such weight, what could Germany possibly do?
General Rennenkampf's First Army would strike from the east.
General Samsonov's Second Army would advance from the south.
Together they would push into East Prussia from two directions, converge toward Königsberg, destroy the German Eighth Army, and open the road to the very heart of Germany itself.
One of the cavalry generals smiled thinly.
"So the Germans mean to stop us with machines," he said. "Tracked guns wrapped in steel."
Several officers laughed.
They had all heard the reports by now.
German tanks. Armoured landships. Moving artillery pieces protected by steel plates—strange mechanical beasts that rattled across the ground and terrified horses.
Impressive, perhaps.
But still only machines.
Expensive machines.
Rare machines.
"How many can they have?" another general scoffed. "A hundred? Perhaps a hundred and fifty? Even if they possessed two hundred, what of it? East Prussia is not a parade ground—it is an entire province. We can simply go around them."
Another officer nodded.
"They must consume fuel like animals consume grain. Let them roll about for a few days. Soon enough they will sit dead and useless in the mud."
He chuckled.
"Steel does not replace the courage of Russian men—or the speed of our Cossack horsemen, who can ride for weeks and live from the land itself."
That remark drew louder laughter.
The Russian officers had heard many stories of German innovations: aircraft in the sky, heavy artillery, motorized transport, new machines of war.
But to them these things were secondary.
Too modern.
Too complicated.
Too few in number.
Too dependent upon fuel and factories.
The Russian officer corps still believed, deep in its bones, in older truths.
In numbers.
In courage.
In the offensive spirit.
In the terrible power of the bayonet charge.
What mattered was not machinery, but men.
Not engines, but spirit.
Let the Germans hide behind their guns and steel boxes. When hundreds of thousands of Russian soldiers advanced toward them without fear—steel flashing, voices roaring—then all that clever machinery would prove worthless.
At least, that was what they told themselves.
Zhilinsky saw the mood in the room and fed it.
"There is more," he said. "France presses Germany in the west. Britain has entered the war. And beyond them, even the Americans are beginning to open their hand. Loans, supplies, matériel—support is gathering. Rifles, ammunition, industrial goods, machine parts. Some of it will come across the oceans, some through allied channels, some by the long eastern routes beyond Siberia. The world understands now that Germany must be broken."
That pleased them greatly.
The Russian Empire was vast, but its generals knew well enough that modern war consumed shells, rifles, spare parts, wagons, telegraph wire, engines, boots, medicines, and grain in monstrous quantities. If foreign industry would help feed Russia's armies, so much the better.
If the Entente, and even the Americans, were willing to help crush Germany quickly, then victory seemed not merely possible but inevitable.
Then Zhilinsky moved to the finest bait of all.
"There is also," he said, pausing just long enough, "the matter of Prince Oskar."
The room sharpened at once.
Even among Russian officers, Oskar had become something halfway between man and legend. The Iron Prince. The architect of German reforms. The source of strange new weapons. The man around whom all of Germany's new strength seemed to gather.
Zhilinsky allowed himself a faint smile.
"Our information suggests that he remains tied to the German command in East Prussia. If our advance is swift enough, if Königsberg falls quickly enough, it is not impossible that we may catch him before he escapes."
Now the room truly came alive.
Some men leaned forward.
Others grinned like wolves.
A few exchanged quick glances, already calculating the future.
To capture a German prince was one thing.
To capture Oskar was another entirely.
That would mean ransom, prestige, imperial favor, promotion, estates, decorations—perhaps fortunes beyond counting. The Tsar would reward such a triumph lavishly. The officers who delivered Oskar alive into Russian hands would become legends.
General Samsonov spoke first, unable to hide the hunger in his voice.
"If one of our armies takes him, surely that army's officers will be rewarded accordingly?"
A ripple of amusement moved through the room.
Zhilinsky raised a hand.
"No one will keep such a prize entirely for himself," he said. "But whichever army captures Prince Oskar will certainly not be forgotten in the distribution of honors."
That was enough.
It was more than enough.
For a moment, the coming campaign ceased to be a military operation in their minds. It became a hunt.
Not merely for victory, but for spoils.
For land.
For glory.
For loot.
For Oskar himself.
No one in that room knew that while they spoke of trapping him in Königsberg, he was already moving towards them himself.
In Warsaw, by contrast, men toasted for the coming fight as they drank and cheered.
Zhilinsky lowered his eyes to the map once more.
"The attack will begin tomorrow," he said.
A few officers straightened.
"Why did we have to make it so soon?" one asked.
"Because it will be the 27th of July."
He let the date hang in the air, then smiled.
"The prince's birthday, is it not?"
That earned dark laughter.
"Then let us send him a proper gift," one general said.
"Fire and steel," said another.
"Let East Prussia be his birthday cake," muttered a third, "and we shall carve it."
Zhilinsky did not rebuke them.
Instead, he spoke with cold satisfaction.
"On the 27th, the 1st Army will cross the border from the east. The 2nd Army will advance from the south. East Prussia will be invaded from two directions at once. We drive on Königsberg, break the Germans there, and unite our armies. From there, the road to Berlin begins."
No one in the room spoke of casualties.
No one spoke of ruined villages, burned farms, dead civilians, or the butcher's bill that such an offensive would demand.
Those were not matters that interested them.
They saw numbers only as weight to be thrown forward.
Men could be replaced.
Villages could be looted.
Losses could be hidden in reports.
Victory, however, would be remembered.
And so, one by one, the generals voiced their agreement.
The orders were drafted.
The timetables were finalized.
Messengers were summoned.
Tomorrow, East Prussia would be attacked.
Tomorrow, they believed, Germany's eastern shield would begin to crack.
And tomorrow, they promised themselves with greedy hearts and shining eyes, they would ruin Prince Oskar's birthday.