I'm a monster in Demon King's Castle

"Did it work?"

Li Yue looked at the infant, stiff on the ground, sensing the rhythm of his life between the particles, unsure if the former Demon King was still inside that shell.

"It worked… halfway…"

Yingying wrote on the ground, shakily, no longer inside Li Yue's body.

"Phew… you guys are ruthless… treating a child like this?" Stil Baby couldn't even turn his eyes, but a voice leaked from his throat.

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"He just froze time again, avoiding my erosion and preserving his own will." Yingying explained everything that happened after the squeeze—the former Demon King was newly born and couldn't withstand the suppression of the Library's authority combined with the power of Li Yue, Yingying, and Dan Dan, so Yingying successfully invaded.

However, it wasn't a complete success; the former Demon King's soul survived and retained its self-will.

"As expected of the former Demon King… even when caught at his weakest… killing him isn't that easy…" Li Yue telepathically communicated with Yingying and Dan Dan, offering some comfort.

But looking at the result… it seems not bad?

If Yingying achieved symbiosis with him, Stil Baby wouldn't be able to steal life secretly, nor would he hold onto half of the Library's magic.

Moreover… it doesn't seem to have been discovered by the current Demon King or any other existence?

The "most advantageous" in the prophecy doesn't seem to be off.

"How much do you control?" Li Yue asked Yingying to what extent she could control Stil Baby.

"Half." Yingying split into two, tearing off a gray shadow, like shedding a layer of dead skin.

"Are you the former Demon King?" Dan Dan became bold again, removing the control of the particles, lifting itself in front of Stil Baby, swaying back and forth, asking for a beating.

"What are you? I've never seen you before." Stil Baby's memory was still recovering, but he couldn't find any related memories of a demon like Dan Dan. "A Brain Spirit, a Shadow Demon, plus you, and you actually survived from me…"

Dan Dan presented its long self-introduction to the former Demon King, and Li Yue suddenly remembered… this Stil Baby is Mento's disciple. In that case, the demons present can be considered from the same lineage.

Stil Baby exchanged greetings with Dan Dan for a moment, then slapped the air near Dan Dan, knocking it deep into the ground, whimpering. Only then did he turn to ask Li Yue: "You occupy the Library? What about Buddy Bud?

Li Yue thought, this guy really knows the Lord of the Brain Spirits: "He's outside practicing dodging snipers. You know him?"

"Of course, I appointed him…" Stil Baby formally introduced himself, then sighed at Li Yue, "I didn't expect that you, a Brain Spirit, could break his monopoly on magic and advancement, and steal the authority…"

As he spoke, Stil Baby suddenly stretched out his small hand and pulled out a notebook from the air. Li Yue immediately felt that the notebook was very familiar.

"Calendar 299… the third full moon… is it the fourth full moon now?" Stil Baby read from the notebook, which was half the size of a table. Li Yue finally remembered where he had seen it.

Isn't this his Demon Cocoon, the Book Demon? The Book Demon lying in the upper Library?

Could it be that the Book Demon, which records the development of the Library, has become a demon, and the former Demon King casually pulled out its existence at a certain point in time?

"The closed war training is over… then I won't see Teacher…" The former Demon King's memory was rapidly recovering. Fortunately, the diary didn't record the Library after the Book Demon's death, otherwise, this guy only needs to read it a little to know almost all the current situation.

"I am Mento's beloved disciple." Dan Dan finally pried itself out of the hole. "Mento gives me materials to eat every once in a while. Do you want to see him?"

"Hmm… you have the potential to become a Demon King." Stil Baby nodded at Dan Dan, then looked at Li Yue and his shadow, "You have it too."

Yingying was silent for a long time, finally writing down a line of words again.

"How did you do it in the Blood River simulation battle? The casualty rate was almost half?" Yingying was still very concerned about the former Demon King's performance in the closed war training.

"Ha! That record hasn't been broken yet? Demons are really getting worse with each generation." Stil Baby reminisced, "Although I don't quite remember, but according to my habits… I should have first stolen a lot of time and life from the Blood River, and then shaken the commander's authority before driving him off the stage."

Stil Baby also needed to speculate on his actions. Yingying saw the whole process in his memory fragments, experiencing it firsthand, and was convinced by the former Demon King's methods.

【So strong… the Clock Demon is so powerful…】

Yingying also saw that the former Demon King was a chosen one like herself.

【And the weak Brain Spirit… to be able to do this… is even more powerful…】

Yingying once again wrapped around Li Yue, as if reminiscing about the feeling of the two demons becoming one just now.

【Oh, he froze again just now…】

There was a sudden, abrupt piece of information in Yingying's heart, which sounded strange to Li Yue—freeze?

"So now, what do you want? You can't kill me, and I can't kill you. Are we just going to stalemate like this?" Stil Baby was silent for a moment, then suddenly asked Li Yue, "You seem to have a lot of ideas. You seem to want to make the Library different."

【Freeze… viewing… Demon Chef… kitchen… that car… cannon… is it human… drawing… he drew it… he wants to transform the Library…】

It turned out that while communicating with Li Yue and the three demons, Stil Baby had been constantly looking at the current state of the entire Library through "freezing"!

"Seriously… can't defend against it…" Li Yue didn't expect this demon to freeze whenever he wanted, and took advantage of his inattention to see the new blueprint of the Library all over.

"I will control his behavior… he didn't damage the Library…" Yingying listed words on the ground, indicating that she knew about Stil Baby's departure just now.

Then, Li Yue suddenly remembered Stil Baby's hobby of "witnessing the changes of the times", and thought, could this person also have some research on productivity and the like?

Is he a cultured Demon King?

"What do you think of the new Library?" Li Yue just needed to learn from the knowledge and experience of the 23rd Demon King to evaluate his own approach—it would be even better if he could offer advice on engineering.

Anyway, under Yingying's restraint, this guy couldn't possibly seize the authority of the Library.

"I don't understand. I just think… you are quite suitable to be born in the era when I was the city lord. You could be my subordinate." Stil Baby evaluated his relationship with Li Yue as if joking, "It's not too late to do it now…"

"Because sooner or later I will still be the Demon King, will be the city lord. If you join me earlier, in the future, I might be able to let the Library replace the Abyss Maw and become the largest pillar of the Demon King City." Stil Baby was firmly controlled by Yingying, but still issued his city lord declaration.

An infant without any hair waved his hands at the three demon sons.

"No, you have to accompany me to join the Demon Expeditionary Force." Without even needing Li Yue to respond, Yingying directly planned Stil Baby's next route.

【Only the Demon Expeditionary Force… only war… can train the Shadow Demon… I want to take this body… to complete the next level of advancement in the army…】

Yingying's decision could not be changed, especially after seeing the former Demon King and Li Yue's control over the Library, this Shadow Demon had become extremely clear about her future.

"That's not good… if I am… am… seriously… if I am discovered by the city lord, I will die." Stil Baby stuttered for a long time, then slapped himself in the face.

"It's driving me crazy… I still can't say his name…" Stil Baby clenched his small fists.