This is a powerful and climactic encounter that beautifully captures the tension and intensity of a final boss battle. Here's an edited and formatted version of your text to improve clarity, flow, and impact while preserving your style and story beats:
[System]:
The Tower grows increasingly violent. Only one floor remains uncleared by the Guardian. The door to the final floor has appeared before you.
[Warning]:
Your level is too low to face the final monster alone. Assemble a team. This floor contains a being unlike anything you've encountered before.
[Outcome]:
The Guardian has requested entry. Due to his contributions, he is granted access regardless of team formation. No other guardian may enter this floor until he either perishes or completes the challenge. A 4× bonus will be granted upon completion due to your level discrepancy.]
Neon stepped into the final floor.
A throne room opened before him—magnificent, empty, silent. His instincts screamed caution. Something was missing. The seat at the center remained vacant, and the pressure of an unseen presence loomed like a storm on the horizon.
The master of the Tower—the so-called "boss"—had yet to appear.
And then, a voice echoed from beyond the veil of reality.
"These people you see before lived in a world filled with twilight. Their eyes shone like moons. Their hair emitted an alluring light. They advanced through darkness—its depths birthing their science, their technology, their very culture. Yet they never foresaw what slumbered within their beloved shadows. Wickedness. Ruin…"
A heavy pressure descended.
Neon barely evaded the massive blast from above—escaping with a mere graze.
From the smoke, an aura emerged. Sinister. Familiar. An evil spirit floated downward, possessing the withered body of a once-noble emperor.
[System]:
You have encountered the owner of the Tower — [The Ruined Twilight Emperor]
[Introduction]:
Once a protector of his people, the Emperor sought immortality through darkness. Now, his body is a decaying vessel harboring the [Lich]—a necromancer of immense power.]
"Hahaha! What a fool this emperor was—offering me his body for 'eternal life'! And I? I granted it. His soul, and those of his people, now sing for me. A pleasure to meet you, Transcender!"
The throne room decayed before Neon's eyes—twisting, rotting into a haunted version of itself. Shadows surged, and tormented souls cried out from every corner. The Lich began to channel a massive, sinister orb.
[System]:
You are the target of the skill [Ghastly Sphere]
[Ghastly Sphere]:
A deadly orb forged from devoured souls, imbued with dark element.]
The orb's size was overwhelming—its speed incalculable.
Yet when it struck, the Lich found nothing.
Because Neon stood behind it.
[System]:
The Guardian's unique racial ability has been activated:
[Catastrophic Form: Nightmarish Behemoth Scales]
Defense, Stamina, and Health increased by 30%
First instance of damage is nullified
Resistance increased by 50%]
"This pain?! You accumulated this power in seconds?!"
The Lich reeled from the sudden blow.
[Nightmarish Behemoth — Racial Trait]
(Stockpiling) [Passive]: Pressure endured by the scales is stored infinitely.
(Counter) [Passive]: Stored pressure converts 50% into retaliatory force on next damage instance.]
"You sensed danger well… but rushing into the unknown is never wise!"
A slash of darkness sent the Lich crashing into the wall.
'That was close... If I'd chosen the Abyssal Tiger form, I'd have been overwhelmed by its dark magic. This was the right call. But I must strike now—while it's still recovering…'
Suddenly, ghostly soldiers surrounded him—undead, swift, and refined like the Commander he once fought.
[System]:
The Guardian's racial trait — [Abyssal Tiger's Golden Eyes] — has activated:
[Abyssal Sense]:
You can now anticipate any move from opponents possessing both a mind and soul.]
"Basic Sword Arts: Triple Encircling Slash."
Phantom warriors emerged and attacked with precise technique.
Neon activated Midnight Stride, moving faster than sight. His empowered strikes tore through the soldiers—until a cold pain pierced his back.
The Lich.
"HAHAHA! You're finished—your soul will be mine!"
But it wasn't Neon.
It was an Imp, cloaked in illusion.
The Lich turned, wide-eyed.
Neon stood behind him.
"Twilight Arts—Crescent Moon Upper Slash!!!"
His blade flashed. The technique—a gift from the fallen Knight Commander—struck true. A critical hit.
But before it could finish—
"Do you think I'm so easily beaten?!"
The real power erupted—not from the Lich, but from the emperor's vessel.
[System]:
Required damage dealt. Boss has entered Phase 2. The Ruler of Twilight's shackles are broken. The true Twilight Emperor is awakening.
[Alert]:
A Chain Mission has begun: Defeat the Twilight Emperor to free him from the Lich's control.]
A towering figure stood before Neon—radiating power, weighed down by centuries of torment. The final soul the Lich could never dominate. The true ruler of the tower.
"Shall we end this… Transcender?"