The Sentinel’s eyes glimmered faintly. “To understand our enemy, you must first understand our galaxy.”

He lifted his hand.

The walls of the chamber dissolved. Stars bloomed into being, millions upon millions, stretching into infinity. A vast star map unfurled around them, the galaxy pulsing like a living heart.

Gasps escaped Thomas, Elara, and Ironwood. Even Adrian’s breath hitched.

He wasn’t standing in a chamber anymore, he was drifting amidst the galaxy itself.

The Sentinel’s voice echoed through the void, carrying across infinity. “Fifty thousand years ago, our galaxy was young, still shaping itself. Civilizations rose and fell… but in time, eight titans emerged.”

The stars shifted. Borders appeared, dividing the galaxy into eight vast dominions.

“Eight empires carved order from chaos, each commanding hundreds of star systems.”

Adrian watched civilizations bloom across the starscape. Ships of impossible design moved between worlds, their hulls gleaming with technologies beyond Earth’s understanding.

“They clashed. They bargained. They waged wars of pride and power.” The Sentinel gestured, and fleets of light engaged in battles that spanned star systems.

“Yet for all their rivalries, a balance endured. Each empire had its strength, each relied on the others.”

The map shimmered. Trade routes connected distant stars while territorial lines held firm.

“And so the galaxy belonged to these eight.”

“From these early experiences, they learned and evolved. The empires discovered that strength transcended bloodline or form.”

The vision showed beings of countless shapes, human-like entities, energy beings, creatures of metal and flesh, all standing as equals based on power alone.

“In those days, a being was measured only by their essence, their comprehension. Race meant nothing.”

The stars rippled and then darkened.

“But amidst their greatness, they ignored a storm brewing in silence.” The Sentinel’s voice carried regret.

“The monsters.”

Adrian frowned. “Monsters?”

The Sentinel inclined his head. “Yes. The same monsters we fight on Earth.”

He gestured, and planets appeared throughout the galaxy. On each world, Adrian saw familiar scenes, animals awakening to mana, evolving into the creatures he’d battled.

“Every empire believed monsters were trivial, always killable, always beneath notice.” The Sentinel’s tone grew bitter.

“But they were wrong.”

Stars zoomed closer, showing planets where no intelligent races existed. Monsters ruled unchallenged, their forms growing more twisted with each generation.

“When a world awakens, animals evolve into monsters. Just as Earth’s animals did.” The vision focused on a barren planet where massive creatures roamed freely.

“But most planets lack intelligent races to stand against them.”

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Ironwood watched in horror as monsters on the displayed worlds grew to enormous sizes. “Without anyone to stop them…”

“They feed, they grow, they mutate.” The Sentinel’s words carried the weight of inevitability.

“And when one ascends too far, when it reaches S-rank…”

The vision twisted. A wolf-like monster grew, its body warping upright. Flesh reshaped itself, claws became hands, fangs arranged into a predator’s grin.

“It ceases to be a monster.”

The figure shifted into a humanoid form, its eyes burning with malevolent intelligence. Its grin dripped with hunger that went beyond mere survival.

“It becomes something else.” The Sentinel’s killing intent flared.

“It evolves into a new race.”

The stars rippled. Humanoid figures took shape from monstrous forms across dozens of worlds, twisted silhouettes with glowing veins and burning eyes.

“That race is what we call demons.” The Sentinel spat the word like poison.

“Born from monsters, yes, but no longer bound by instinct alone.”

The demons in the vision turned toward the galactic empires. Their expressions held intelligence, planning, and something far worse than animal hunger.

“They gained will, cunning, cruelty.” The Sentinel’s fists clenched.

“And unlike the empires, they were driven not by conquest, not by dominion…”

The demons’ grins widened as they gazed upon the thriving civilizations.

“But by the thrill of slaughter.”

The star map convulsed. Across worlds, red shadows rose. Humanoid demons tore through planets, blood spraying across the starlight, their laughter echoing through the void.

Star after star dimmed. Empires’ fleets shattered in waves of blood and fire.

“Demons did not stop. From a thousand worlds, from countless star systems, they multiplied.”

“The empires ignored them for too long before starting to slaughter every demon they could find.”

Adrian watched civilizations burn. Each fallen world pulsed with crimson light before going dark forever.

“But the empires still underestimated the demons.”

The vision shifted. Demon forces scattered across the galaxy suddenly turned, converging like rivers flowing toward a single ocean.

“Sensing the threat from all the empires, the demons gathered, uniting across the galaxy. They forged an empire of their own. A single banner of blood.”

The stars burned crimson. The red tide swept outward, consuming everything in its path.

The crimson spread like wildfire, swallowing worlds. Armadas of light met them in open war. Stars blinked out one by one.

Thomas stepped back, his face pale. “How many died?”

“Billions. Trillions.” The Sentinel’s words fell like stones. “Entire species erased in hours.”

“The Demon Empire rose,” Sentinel said, his voice heavy, “and the galaxy bled.”

Adrian’s fists clenched as he watched star systems collapse like candles in the wind. The scale dwarfed every battle he’d ever known.

“The demons devoured two of the great empires outright. Entire legacies erased in fire and ash.” The vision showed worlds cracking apart, their fragments spinning into the void.

Elara’s hand found Thomas’s arm. Her knuckles were white.

“Six remained, and at last they understood. If they continued their rivalries, none would survive.” The remaining empires’ borders dissolved, their fleets merging into massive formations.

“So, for the first time in galactic history, the six united. They forged a front to hold the line.”

The map froze. Six blazing empires flared on one side, the crimson maw of the Demon Empire on the other. Between them, an endless warfront stretched like a wound across half the galaxy.

Ironwood whispered, “How long has this lasted?”

“That war burns still,” Sentinel whispered. “For thousands of years, neither side has prevailed. The galaxy lives in eternal balance. Six empires against one…”

The starlight dimmed. Silence pressed heavy in the chamber like a physical weight.

Thomas, Elara, Ironwood, all were pale, shaken. Even Kael’s jaw was tight. To see entire star systems burned, fleets of thousands erased in an instant… they finally grasped the scale of the enemy.

Adrian’s fists curled. He thought of Earth, of the monsters he had dismissed as stepping stones. And he realized he had made the same mistake the empires once had.

Monsters were the seeds of apocalypse. The storm no one saw until it was too late.

His breath trembled. “Then… Earth?”

Sentinel’s eyes fell on him. “Our world lies at the galaxy’s edge. That distance spared us when the war first began.”

The star map shifted, showing Earth as a tiny speck in the galactic rim. So far from the burning center, so insignificant.

“But we cannot hide. Distance is no shield forever.”

Adrian raised his eyes. “So… the demons found us? That was when they attacked, and the war happened?”

The Sentinel’s answer was colder than the void around them. “No. If the Demon Empire had found Earth thousands of years ago, we would have been annihilated in an instant.”

“We did not even have power enough to resist a whisper of their strength.”

He paused. His next words carried weight like a hammer.

“But yes… the war on Earth did involve demons. All of it, the Celestial Eleven, our survival, my endless guarding, it all began because of one demon.”

The chamber got silent.

A single demon, how?

Source: Webnovel.com, updated by NovelKeep