[G-Grade Entity Management Report]
No. 09249
Entity Name: Voice of the Mind
Grade: Gamma (G)
Upgrades to Beta (B) upon meeting specific conditions.
Risk Level: 4 (increases to 6 upon meeting specific conditions)
Classified as an Orange-Grade Risk Entity.
Information
This entity is classified as a tool-type entity believed to have crossed over from another dimension. While it undeniably possesses self-awareness, its sole function is that of a tool, and thus, it is not considered a living being.
When the red switch is pressed, the entity manifests an internal world of the mind. This world provokes the traumas of those inside, showing them various illusions. The pain experienced in this realm is identical to real-life pain, though it has been confirmed that it does not cause physical harm. However, individuals whose minds completely collapse in this world fail to recover even after returning to reality.
Special Notes
Administrators who complete assignments involving this entity retain no memories of the experience, with the exception of certain anomalies.
⚠️ Caution
- Even if you believe you possess an exceptionally strong mind, it is strongly recommended that you carefully reconsider before volunteering for an assignment involving this entity.
- The decision is yours alone. The author of this report has personally completed an assignment involving this entity and was promoted to Gamma-grade Administrator as a result. However, keep in mind that mental strength and physical strength do not always correlate. There is a case where a Beta-grade Administrator lost their sanity and returned in a vegetative state after exposure to this entity.
[Observation Log #118]
What? 500 years have already passed? I just closed my eyes and opened them again. Come on, don’t joke with me. I swear, I remember everything clearly—nothing happened. We might need to revise the report. Nothing happened. Huh? Wait…
[Observation Log #120]
I took a nap, and when I woke up, it was all over. I feel refreshed.
[Observation Log #121]
My insomnia is completely cured. If any administrators struggle with insomnia, I highly recommend using this entity.
[Observation Log #124]
Don’t believe the ones above me. They’re all liars. My colleague was assigned to this entity and came back unable to recognize their own family. Bastards. If you don’t want to end up brain-dead, never take on an assignment involving this entity. Remember this.
[Observation Log #128]
This report was transcribed from the voice recording of an administrator who suffered permanent physical damage after assignment.
Greed leads to destruction. I volunteered for this entity’s assignment, driven by my desire for strength…When I opened my eyes at the end of it all, I had lost everything. I don’t know what happened to me. I can’t use the bathroom alone, I can’t walk, I can’t even feed myself. The most frustrating part? I don’t even remember what happened to me.
To the future administrators reading this report, heed my warning. Never take on an assignment with this entity. You will regret it. You will.
Taeseong finished reading the entity management report and handed it to Oh Haeyoung.
“Have you read this before?”
“Yes.”
“This entity seems even more dangerous than I thought. As stated in the report, raw strength and mental fortitude don’t always correlate. Even a Beta-grade administrator lost their sanity.”
Haeyoung, who was usually cheerful, now looked completely stiff. With a tense voice, she asked,
“…Taeseong—no, Team Leader. Will you really be okay? What if something happens to you because of me…?”
Taeseong answered immediately.
“There’s no problem.”
He was being sincere. Taeseong felt no fear toward this entity. In fact, he was eager to enter—it was an enticing challenge.
To put it simply, this was a 500-year training ground where time didn’t pass in reality, offered with no strings attached. Why would he refuse?
Based on his fragmented memories, he had already spent over 700 years in similar conditions. Even that was only an estimate based on what he could remember. If he recovered more memories in the future, the actual number would likely far exceed 700 years.
“Are you afraid?”
Haeyoung nodded, answering honestly.
“Yes. I’m really scared. What if… what if I can never return?”
“I understand. If you’re afraid, you don’t have to force yourself. There are other ways to get stronger.”
“But… nothing else offers progress as quickly as this.”
Taeseong asked,
“Do you have to join Management Team 0?”
“……”
“Even if you’re not in my team, you’re still my colleague. I won’t forget how much you’ve helped me. If you’re in trouble, I’ll be there to help you.”
Haeyoung smiled at his words.
“I feel the same. Team Leader, and all of my team members, are precious to me. But… if I don’t make it into Management Team 0 this time, I feel like I’ll be stuck forever.”
“I see.”
“Yes. I only made it this far—from Epsilon-grade Administrator to now—because I met you, Team Leader. That’s why… I want to stay by your side and continue doing management work with you.”
“……”
“I believe that’s directly connected to my goal.”
Taeseong didn’t know what her ultimate goal was. He could only assume she had personal reasons, but he didn’t pry.
“Moving forward is your choice. Opportunity may come to everyone, but only those prepared can seize it.”
“……”
“Oh Haeyoung. Are you ready?”
No one knew whether this was an opportunity or a fatal mistake. The choice was hers alone.
Haeyoung hesitated briefly before answering with a determined expression. It took less than a minute to make a life-changing decision.
“Yes. I’ll do it.”
“Good.”
Both Taeseong and Haeyoung turned to the red switch on the desk.
Once they pressed it, there would be no turning back.
They exchanged a brief glance before reaching forward together.
Click!
“……”
“……”
Nothing happened.
“Is the entity malfunctioning?”
“Wait… don’t tell me 500 years already passed?”
Just as those thoughts crossed their minds—
The world was swallowed by darkness.
And then, a strange voice, neither male nor female, echoed inside their heads.
[Species ‘Human’, Species ‘Unknown’ confirmed.]
[Adjusting difficulty settings.]
[Adjustment denied.]
[Welcome, new challengers.]
[Time Limit: 700 Years]
Oh Haeyoung opened her eyes in a space shrouded in darkness.
“700 years…? The containment report clearly stated 500 years… Why?”
All around her was nothing but darkness. No matter how she turned her head, she saw nothing.
There was nothing here.
A vast, empty space.
A void filled only with darkness.
The moment she recognized this, chills ran down her spine. She felt like she had been left alone in the middle of an endless ocean.
“…….”
The thought of having to endure this place for 700 years sent waves of fear through her.
Now she understood why the administrators who had taken on this entity’s management had suffered mental collapse.
“Assistant Manager Oh Haeyoung.”
Lee Taeseong’s voice echoed from within the darkness. But she couldn’t pinpoint where it was coming from.
It seemed to come from her left—then from her right. From above—then from below.
In a space where even her sense of direction was absent, Oh Haeyoung suddenly feared she might simply disappear.
That she would be swallowed by the darkness and forgotten—that even the existence of “Oh Haeyoung” would be erased.
“Administrator Oh Haeyoung.”
“Team Leader!”
No response came.
She couldn’t tell if she was lying down or standing, if she was facing forward or to the side—nothing made sense.
“Oh Haeyoung.”
Only Lee Taeseong’s voice echoed emptily through the void.
At that moment—
Fwoosh!
Brilliant blue flames ignited all around, illuminating Oh Haeyoung’s vision, which had been consumed by darkness.
“There you are.”
“Team Leader!”
Before she knew it, she had thrown herself into Lee Taeseong’s arms. She didn’t know how much time had passed, but to her, it had felt like an eternity.
[1 Year Has Passed.]
Lee Taeseong spoke calmly.
“One year has already gone by.”
“…One year? Are you saying we found each other here after an entire year?”
“That seems to be the case.”
Her sense of time was completely shattered.
To Lee Taeseong, it hadn’t even felt like a full day.
But to Oh Haeyoung, it felt like at least 50 years had passed.
“Did you train in the meantime?”
Oh Haeyoung looked at him in disbelief.
“Train?”
Lee Taeseong’s expression was one of pure matter-of-factness.
“Of course. Wasn’t that the reason we came here—to get stronger?”
“Wait… You’re telling me you’ve been training this entire time?”
Lee Taeseong nodded.
“Obviously.”
Even while searching this vast space for Oh Haeyoung, he had taken every opportunity to train.
That was the purpose of entering this place, after all—to use his time as efficiently as possible.
“Hahaha! That’s so like you, Team Leader!”
Finally, some of her tension seemed to ease, and she laughed.
“You never know what might come at us, so it’s best to keep training while we’re still in our right minds. I’ll be watching, so summon the power you received from the Guardian Dragon.”
“Yes!”
Oh Haeyoung’s eyes turned golden.
Drawing upon the energy within her, golden lightning flared across her body.
Crackle. Crackle.
Lightning flickered wildly around her, like a shimmering mirage. The fact that it wasn’t fully controlled was clear.
Lee Taeseong observed and offered his advice.
“Start by gathering the energy in one place.”
“Got it!”
Oh Haeyoung focused on condensing the lightning at her fingertips. It wasn’t as easy as she thought, but time was something they had in abundance.
Even as she failed repeatedly, she refused to give up, trying again and again.
While Oh Haeyoung trained, Lee Taeseong sat cross-legged, lost in thought.
Drawing from his memories, he deeply contemplated the sword techniques he had come to understand.
Sometimes, he would rise and swing his sword.
Other times, he moved his hands as though they were blades.
“So, this is how it’s done…”
.
.
.
[5 Years Have Passed.]
At last, Oh Haeyoung succeeded in controlling the lightning across her entire body.
“Team Leader! I did it! I finally managed it!”
“Then let’s move on to the next stage—”
Lee Taeseong abruptly stopped mid-sentence and turned his head.
From deep within the darkness, a figure approached.
A man, steadily drawing closer.
“Dark Lord… Why are you here?”
One of the Three Gods of the Eastern Continent.
A man who held the title of the Sole God.
Heavenly Demon-Slaying Blade—Han Yugwang.
The one called the Greatest Blade Under Heaven walked forward, his piercing eyes gleaming coldly.
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