I'm a monster in Demon King's Castle

“The war training of the Demon Expeditionary Force? What does that mean? Is it in the library?” Li Yue forgot that Mini and Mini knew the library… far more than the Brain Spirits.

If the Brain Spirits were the textile workers of the library, then Mini and Mini were the errand boys, stretching their hands, feet, and necks just to serve the big and small figures. Although they were the lowest of the low, they could go to many places and move freely.

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“Brother, are you interested in this? Then we won’t sleep.” Mini and Mini got up together, not only without complaint, but also proud that Li Yue was asking for their help.

“Closed war training is… training by locking the Sons of Demons in the library!” Mini’s eyes widened.

“Sons of Demons?”

“They are very powerful, very promising, demons with unique bloodlines!” A longing look appeared in Mini’s eyes.

Sons of Demons? Demon Second Generation? Li Yue probably understood that the trainees were all very important figures.

“Closed war training, I heard that it was a rule set down by the previous, previous, previous, previous Demon King and the previous, previous, previous, previous Commander! They said that human combat methods are constantly changing, so they require the war training content of the Demon Expeditionary Force to include some understanding of humans!” Although Mini lowered her voice, she couldn't hide her excitement.

Li Yue was a little surprised. He didn't expect that the war training subjects of the Demon Expeditionary Force… actually included cultural classes?

“That’s why we’re translating books!” Mini raised her finger, “The translated books related to relevant subjects may become war training books for the Demon Expeditionary Force!”

So, the Brain Spirits are translating textbooks—Li Yue understood.

The Book Demon is the textbook editor?

“What subjects are included in the war training?” Li Yue couldn't imagine the demons' courses—alchemy? biology? demon grammar? Wouldn't there be calculus?

“I know!” Mini and Mini raised their little hands together, and Li Yue hurriedly told them to put them down.

Fortunately, the other Minis and Minis and the Brain Spirits were sleeping soundly and didn't notice.

“There’s Hero Studies! Human History! War Studies!” Seeing Mini’s happy appearance, Li Yue couldn't help but suspect that this little thing didn't know what these courses represented at all.

“I heard that Hero Studies introduces the various stages and appearances of heroes, which is very fun!” Mini and Mini passed on the war training knowledge of the Expeditionary Force, and in the end, everything became “fun.”

“Human History seems very boring. It’s a course that military officers hate very much, and it’s also one of the courses where teachers die the most in class!” Mini added.

Teachers die? Li Yue was a little dazed.

“The War Studies class seems very easy to start fights! The Sons of Demons always have different opinions on the post-war deductions of various battles, and eventually evolve into real fights!” Mini was really not sleepy.

“What else?” After listening to the first three subjects, Li Yue felt that… maybe for demons, the most important thing is blood and explosions, and the rest may also be very violent.

“Humanity Degradation Studies! It’s also very special. Many Sons of Demons fall asleep during this class! But there are also many guys who like to play with humans… they really like this course!” Mini and Mini introduced it subjectively, as if enumerating family treasures, “I heard that the class will explain countless ways to seduce humans. If you try them one by one, you will gain supreme pleasure!”

Li Yue was speechless. He suddenly remembered the evaluation of humans in the Demon Illustrated Handbook and felt that perhaps the key content of this course… was perhaps how to discover a certain human’s “source power.”

“What about the rest? How many courses are there in total?” Li Yue suddenly felt that it was not easy to be an officer in the Demon Expeditionary Force. They had to undergo so much training before going on an expedition…

“In total…” Mini and Mini kept stretching out their fingers, counting in relay, “A total of seven!”

“There are also Mysterious Biology, Advancement Studies, and the Edict of Death!” Mini shook three small fingers in front of Li Yue.

Li Yue repeated the seven courses for commanders of the Demon Expeditionary Force in his mind—Hero Studies, Human History, War Studies, Humanity Degradation Studies, Mysterious Biology, Advancement Studies, and the Edict of Death.

Most of the courses are aimed at humans. The Minister of War of the Tass Empire defaults that demons are the greatest enemy, but for demons… isn't it the same?

“Mysterious Biology is also very interesting. It will take military officers to study all kinds of mysterious creatures. I heard that most of these mysterious creatures… have the potential to become demon creatures! Maybe a certain race will suddenly awaken and join Demon King City, becoming a new major force!”

Li Yue pondered for a moment and suddenly felt that the purpose of this course… might be to help military officers identify which creatures are more valuable to be “plundered”?

“What is Advancement Studies?” Li Yue was very curious about “Advancement Studies.” Just hearing the name, he sensed endless temptation.

“Advancement, advancing to become a more powerful demon!” Mini and Mini were also very excited, “I heard that the teacher of this course… is the teacher of the previous, previous, previous Demon King! Very powerful! He understands countless ways for demons to become stronger and can give advice for different types of demon creatures, thereby improving their strength!”

The teacher of the previous, previous, previous Demon King? A big shot? Coming to teach the Sons of Demons how to advance?

Li Yue was shocked and felt that the style of this war training immediately improved.

“Yes! This is also the Sons of Demons' favorite subject! The teacher they want to please the most!” Mini roared in a low voice.

“If he meets a demon with high potential, the teacher will even prepare magic potions for them! To help him advance!” Mini and Mini kept talking, regretting that they only had one mouth.

“What about the Brain Spirits? Can they advance?” Li Yue's main body's memory didn't have any content in this regard. Li Yue understood that since demons have a hierarchy, then correspondingly, Brain Spirits can also advance, right?

Otherwise, how did the Brain Spirit Master Budiboer come about?

For the Supreme Demon Stone, Li Yue only had an instinctual desire, and after the body cleansing, he fell into confusion—he could sense that his magic power, psionic power, and even energy had been enhanced, but he didn't know what to do next, what to do next…

In the Demon Illustrated Handbook, the Brain Spirit's weaknesses are “everywhere,” and they will die if they are not careful—this gave Li Yue a great sense of crisis.

What's more, whether he wants to become a Demon King or return to his original world, becoming stronger is necessary.

So, if he could get some words out of the teacher of the previous, previous, previous Demon King, wouldn't he be able to learn the orthodox method for Brain Spirits to become stronger, and then develop silently and slowly grow bigger?

“Brother… you're tempted.” Mini and Mini giggled at each other.

“Well, who doesn't want to become stronger?” Li Yue gently pushed Mini and Mini with his psionic power.

“You pushed me! Then I'll push you too!” Mini and Mini giggled and pounced lightly.

After pushing each other for a while, Li Yue was hurt by Mini and Mini, and then stopped them; the two little sweet potatoes also calmed down a little and began to sigh faintly.

“What about the last subject? What is the Edict of Death?” After a moment of silence, Li Yue asked about the last subject.

“It's some… things that even as a demon, you should never do… places you should never go…” Mini waved her fingers, “But Mini and Mini have never eavesdropped on the content of this class, so we can't find out…”

There are also things that demons can't do? Li Yue's understanding was refreshed again.

“It's a pity… the qualifications for the Demon Expeditionary Force's 'war training' are all recommended by powerful demons, and those who come are all demons with unlimited potential. How can we have a chance?” Mini and Mini suddenly sighed when they saw that Li Yue didn't speak, “I really want to go… but I'm also afraid…”

Li Yue could understand Mini and Mini's desire to sneak in and learn—who wouldn't want to be valued by the teacher of the previous, previous, previous Demon King, take medicine all the way, and advance into a high-level demon?

“Afraid of what?” Li Yue asked.

“The Sons of Demons who participate in the closed war training… all have great backgrounds and very bad tempers… I heard that they often kill demons for fun. Many Minis and Minis died when they served them 12 years ago…” Mini said softly.

“The closed war training is once every 12 years? How long does each training last? How many Sons of Demons will participate?”

“Each time it lasts for a full moon. Like the teacher of the previous, previous, previous Demon King… he usually sleeps all the time and only wakes up during war training.” Mini and Mini never left the big shots in their sentences, “The number of Sons of Demons participating… I haven't heard of any restrictions. It may be a dozen or hundreds, all guys with backgrounds…”

“What about work? Is the translation work still going on?” Li Yue began to think about the possibility of secretly learning.

“The closed war training is all during Red Time, so in addition to working as usual, the Minis and Minis have to serve the demon commanders during Red Time… There's no rest…”

Li Yue couldn't help but have an idea—opportunity! An opportunity to become stronger!

Even if it's very hard, maybe he should still find a way to sneak in and listen to “Advancement Studies”?

It would also be a good opportunity to enrich the Demon Illustrated Handbook—after all, those who participate in the war training are all big shots in Demon King City in the future. There's no harm in learning about them in advance.

“When does it start?” Li Yue's mind became active.

“I don't know. As long as the bell of the library rings, it means the war training has started. It may be tomorrow, or it may be the next full moon…” Mini scratched her head and said.

“Bell?”

“At the latest, it won't be until the next full moon!” Mini raised her hand, “Every 12 years, the bell will ring between the third full moon and the fourth full moon, and then the war training will last for a full moon period… These days, the Minis and Minis should be notified… to prepare to serve the Sons of Demons… I don't know how many Minis and Minis will die this time…”

Li Yue frowned: “Do all the Minis and Minis have to go?”

Hearing that the demon commanders kill people at every turn, Li Yue was a little worried about the situation of the two little sweet potatoes.

“Brother… you're so kind.” Mini guessed what Li Yue was thinking, and her eyes widened.

“If I get chosen, and I die there, will you take care of my sister?” Mini vaguely understood a similar story and suddenly became tragic.

“…No.” Li Yue pondered for a moment and shook his head.

Just like people easily ignore their own kind, but will protect their own cats and dogs meticulously.

“If one of you gets chosen, I'll go in your place.”