I'm a monster in Demon King's Castle

"Magic is the source of power for all demons. Google search read," Menthor slightly opened his hand, and pure magic condensed into a drop of water in his palm, crystal clear.

Li Yue released his perception and noticed the infinite explosive power contained in the water droplet, as if it would suck in his thoughts.

"Attracting elements, releasing curses, transforming into power in the form that demons expect..." Menthor smiled, letting the drop of magic flow continuously in his palm, "This is a unique advantage that demons have compared to humans."

Obviously, Menthor's understanding of magic is not limited to the demon's knowledge: "Humans need to chant and use spell gestures to activate magic, but demons don't. Demons are naturally closer to this original power and can change its nature and form according to their preferences..."

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"So the promotion of demons is different from that of humans. Although some magic materials and rituals are occasionally needed, most demons are destined for their future path from birth, constantly absorbing magic and obtaining their respective 'goals'."

"Like some humans, they can trigger some spectacles during promotion, such as the embrace of angels, the diffusion of light, the twinkling of stars, etc..." Menthor listed a few, "Demons also have them, but they are rare, and every time they appear... it will be a disaster... For humans, it is a disaster, haha..."

"But in most cases, it is just a surge of magic gathering, recasting the body, spirit, and abilities of the demon."

"Take Bosh, whom you hate so much, as an example... The blood cocoon is a product of concentrated magic, and it constantly nourishes the pure-blooded demon in the embryonic stage, thus causing changes in their physiology..." Menthor moved his fingers, outlining the shape of a red-skinned demon.

"Did you know that pure-blooded demons will grow a second and third heart at different stages of growth...?" Menthor looked at Li Yue, "This greatly enhances their combat ability and is also a spontaneous application of magic..."

Menthor's intention was to teach, but he inadvertently revealed a fact — he didn't know the existence of the Demon Illustrated Book.

Li Yue was greatly relieved.

"But you also saw in the Blood River, why can they achieve rebirth?" Menthor asked Li Yue, drawing his attention back.

"Magic?" Li Yue replied with nonsense.

"This is because the magic patterns on their bodies are taking effect. Magic will be converted into vitality, providing them with more life." As Menthor spoke, Li Yue also remembered the various patterns on Bosh's skin.

"The shape of snowflakes, the hills eroded by wind, the sulci of brainlings... Magic naturally operates, and magic patterns are engraved on the bodies of pure-blooded demons..." Menthor threw out a snowflake, "Humans imitate and study the magic patterns of demons, and thus magic is derived..."

Li Yue couldn't help but scratch his head with his bone hand, stroking the deep and shallow sulci.

"So magic is the foundation of promotion studies," Menthor concluded, "Regardless of the race of the monster, the basis of promotion is the improvement of magic. I believe you should have read about this in some human books, right?"

"Yes, monster level, demon level, quasi-demon king level, demon king level," Li Yue said the human classification of demons.

"Although this is just wishful thinking of humans, it also confirms a truth." Menthor spread out his palm, gathering more magic, "The more magic you can control, the stronger the power."

"And in this regard, brainlings inherently have their own disadvantages." Menthor pointed to Li Yue's brain, "Unlike the organs in pure-blooded demons that store magic, brainlings themselves have limited magic storage capacity, so they need to use external objects to achieve a breakthrough in quality..."

"In terms of magic, you are already much stronger than other brainlings. I think this should be the enhancement effect of the magic stone you swindled from Damon Benben..." Li Yue was no longer surprised that Menthor saw through his situation.

"But relying on this body of yours alone, it will only go so far." Menthor's statement was like a sentence, "Even with the 'Extraction' blessing, the magic you accumulate is still constantly dissipating, and in the end... that magic stone should only be half absorbed by you, and the rest will all evaporate..."

"Are you saying... if I rely on absorbing magic stones to improve my magic, the efficiency is very low?" Combining Menthor's narrative, Li Yue was of course constantly thinking about his own possibilities.

"Yes, this is the inherent defect of the brainling race." The worms on Menthor's chin became very active again, "So brainlings... whether it is physical or magic improvement... cannot be as fast as most monsters. They are very weak monsters."

"Then... borrowing external force?" Li Yue thought of those corpses surrounding Budi Boge — Budi Boge is the Lord of Brainlings, of course the ceiling of brainlings in Demon King City. His current form is of great reference significance to Li Yue.

"Exactly." Menthor cut to the point, "In addition to the accumulation of magic, the promotion of brainlings... generally has three steps."

"Sensing, Imposing, Imagining."

Li Yue was silent, silently waiting for Menthor to explain.

"Sensing is actually a kind of search, while understanding all things in the world, finding the object that responds most actively to your own will." Menthor waved his hand, using magic to outline countless sundries — there are swords, coins, and also minerals or feathers.

"It may be a weapon, it may be an element, it may be anything... Brainlings enhance the connection between their own will and all things through sensing and immersion of will, so as to make better control. This is sensing." Menthor dispersed the sundries, "Of course, innate sensing objects are hard to come by, so forcibly 'immersing' with one's own will... is a more secure choice."

"And then? After strengthening the connection, how do you get promoted?" Li Yue had the "Extraction" blessing and felt that Menthor's progress was too slow.

"Once you control the sensing object, the sensing object can better respond to the brainling's will, making more precise and firmer feedback, like this." As Menthor spoke, he touched the worms on his chin, and then conjured Li Yue's bone sword as if by magic.

"When you use this sword now, it is no different from other swords. It is just an object forcibly controlled by will." Menthor returned the bone sword to Li Yue.

"But if you completely 'immerse' it with your will until you subdue it, you can enhance its responsiveness to your will..." Menthor waved his hand and snatched the bone sword back again, "It is equivalent to a human swordsman strengthening his body and honing his sword skills, constantly increasing his strength, until he can split everything..."

"If this bone sword is your sensing object, then even I cannot easily take it away." Menthor's explanation was very vivid.

Understood — if you can't enhance your own strength, then enhance the connection with weapons, which is equivalent to indirectly enhancing strength.

"If you master enough and powerful enough sensing objects, you will naturally increase the power of the brainling..." Menthor brought in the human classification of the degree of harm to demons, "It is considered a leap-like improvement, which can be understood as some kind of 'promotion'."

Li Yue nodded — if his own strength is not enough, use external objects to make up for it.

However, this does indeed confirm Menthor's "wishful thinking" theory — the monster's own resistance or strength has not actually changed, but as long as the sensing object is powerful enough, it can be regarded as a qualitative change.

"And sensing objects are not necessarily physical. Do you understand what I mean?"

"It could also be an element." Li Yue of course remembered what Menthor had said — if a brainling "immerses" the fire element to the extreme, wouldn't he become a fire element magic expert while being immune to fire?

What about Holy Light? Can he also be a Pope or something?

Li Yue's thoughts ran wild.

"What your sensing object is, what you want to immerse, I cannot teach you, but immersion takes time. The more difficult it is to sense and control abstract things, the longer it takes to complete 'immersion', even thousands of years." Menthor reminded, and then finally truly handed the bone sword back to Li Yue's hand.

"And knowledge... can effectively increase the speed of 'sensing'." Menthor winked at Li Yue, and Li Yue suddenly remembered the blessing of "Extraction".

"What about 'Imposing'? How do you say it?" Li Yue was completely aroused by Menthor's interest, and at this moment he was like a brain-shaped sponge, falling into a state of狂热 for knowledge.

"Imposing, based on finding your own sensing object, attaching your will to the sensing object, changing its nature..." Menthor's statement was a bit abstract, "Sharpness, corrosion, explosion... any will."

"Explosion?" Li Yue stared blankly at the bone sword in his hand, imagining who would explode if it stabbed them.