I'm a monster in Demon King's Castle

"Why a cloak?" Li Yue saw that the other imaginary beings were labeled as brains, but only the central area had a cloak, which seemed very abrupt.

"I don't know either, I just feel like it's a cloak." Yingying's answer was nonsensical.

As for how strange it was, even with Yingying's strained introduction, Li Yue still couldn't imagine what it was—Yingying said it was a statue, or maybe a stone, and the surrounding magic was fragmented. If you got close, you could be cut or separated if you weren't careful.

Li Yue searched his mind desperately, but couldn't find a similar object. However, the biggest purpose of this trip was to ambush Būdibog, and anything unrelated could be put aside for now: "Ignore it for now, let's go see Būdibog's imaginary beings."

On the way, Li Yue roughly introduced Būdibog's abilities to Yingying. Yingying's curiosity about the imaginary beings grew stronger, and even her moving speed couldn't help but increase.

Li Yue was dragged by the shadow and quickly arrived at the first "brain" marked location—sensing the scene in front of him, Li Yue couldn't judge whether the situation was good or bad for a moment.

The silver fish was vertically cut into two pieces, half of it floating in the air of the cave, and half of it firmly stuck to the rock wall; the fish head and fish bones were also completely separated. The fish bones shone with silver light and were embedded in the floating fish pieces, while the fish head was stuck in a crevice in the cave, twitching.

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Similarly, whether it was the fish pieces, fish bones, or fish head, they all looked charred at the moment, faintly emitting a burnt smell.

What does this mean? In Būdibog's imagination, if this silver fish encountered an explosion of the magnitude of the "Heart of Purgatory", would it turn into grilled fish?

Even more strangely, when Li Yue and Yingying wanted to get closer to check, the silver fish's blurred fish eyes would suddenly stop twitching, and then tremble frantically, looking in the direction of Li Yue and Yingying, forcing them to retreat.

"Let's go, next one." Li Yue beckoned Yingying to go to the next location, preparing to make some contact after observing everything.

If the silver fish was like this, it was no surprise that Oogey Boogey, the Golden Armored Warrior, the Earth Elemental, and the Old Mage were also similarly strange.

Oogey Boogey was blown up with flies buzzing around, filling an entire cave. Obviously, the flies were covered in magma, and at this moment, they had laid layers of nets in the cave, solidifying into a huge stone cave with dense rock lines. Approaching it would cause dust to fall, which could trigger a collapse.

The Golden Armored Warrior and the Old Mage both had dislocated limbs, rolled their eyes, and constantly dripped body fluids, as if they were failed works with some kind of BUG.

The cave where the Earth Elemental was located was even more eerie. Earth and stones filled the cave, and the cloud of dust sometimes turned into faces on the top of the cave, and sometimes turned into fists breaking out of the ground, without stopping for a moment.

After seeing the current state of all the imaginary beings, Li Yue and Yingying stopped in front of the core area and came up with a new question—the silver fish, Oogey Boogey, and the Old Mage had all become like this. Would Būdibog be aware of it in advance?

Li Yue was frustrated by the lack of knowledge and couldn't make an accurate judgment on the connection between Būdibog and the imaginary beings. However, even if Būdibog had been blown up by the "Heart of Purgatory", he would definitely be more vigilant when he came back. It wouldn't be easy to find the most unexpected way to ambush him. If the imaginary beings were abnormal, it might not be a bad thing.

"Aren't you going to take a look at that 'cloak'? It's inside." As Li Yue was thinking, Yingying suddenly asked, interrupting Li Yue's thoughts.

As she spoke, Yingying transformed, posing as an arrow, and the direction the arrow pointed was the core area that Li Yue had previously avoided.

"Can you break through?" Li Yue sensed the fragmentation of the space and first confirmed that this space and the altar were not Būdibog's imaginary beings. It was likely the revival altar of the brain spirit that Mentor had mentioned, but he didn't know why it was a "cloak".

"I can try." Yingying volunteered.

"Why not try how to kill Būdibog." Li Yue made a decision, "If we kill him, we can explore slowly. If we can't kill him, what this cloak is has nothing to do with us."

Li Yue wasn't worried that this altar could really revive Būdibog—Mentor had already said that once a brain spirit died, it would be difficult to return to its strength before death, and it would be no different from an ordinary brain spirit.

So there was no need to pay attention to this altar now.

"Okay." Yingying wasn't as hot-headed as Bosh. She and Li Yue began to plan, "If your information is correct, and everything we just saw was imagined by Būdibog, then it means that Būdibog's condition is very poor and he has no way to control his brain…"

"Perhaps it also has something to do with him fighting in the arena." Li Yue speculated reasonably—when placing the skeleton to teach MiniMini sword skills, the skeleton could only do circular motions, and it was completely impossible to control it beyond Li Yue's sensing range.

"The problem before us is actually very simple." Li Yue stayed with Yingying outside the core area of the maze, "Is this cave Būdibog's burial place? If so, where is the best ambush location…"

"Don't you consider whether killing Būdibog will cause chaos?" In Yingying's subconscious mind, which had been dormant for thousands of years, the death of a high-level demon was always accompanied by bloody storms, especially since this involved the change of power in the library, which was more likely to become the fuse of war.

And at the moment when the city lord of Devil King City had just changed not long ago, Būdibog's death might even attract more unspeakable existences… coveting the library that had lost its master.

"Don't consider it." Li Yue's answer was very cold and very firm.

Because Li Yue had already determined that as long as Būdibog existed, he would have no future in the library—and even if he found a way to leave the library, he would still meet Li Dibog and Wang Dibog in other places, and the new ones might be even more unbearable, treating brain spirits like a plate of brain flowers…

Having reached this point, he must not hesitate any longer.

"Then my suggestion is that you hide in my shadow, just like in the Blood River." Yingying began to get excited, "I'll call you when Būdibog comes back from the arena, and we'll use the most powerful killing move to finish him off!"

"As long as he really dares to come back here, instead of hiding somewhere else…"

However, listening to his "plan", Li Yue felt that it was no different from "we'll kill him when we see him"—what exactly does it mean to "finish off" Būdibog?

When Būdibog comes back, will the imaginary beings resume their actions and become his helpers? How much of his mental power is left? Will a soul impact blow himself up?

As for whether Būdibog will return to the upper level of the library… Li Yue had never doubted this—if Būdibog returned to the seventh library and saw the tragic situation there, he would be scared and head straight to the upper level.

This was also the reason why Li Yue headed straight here before the red tide was over.

Therefore, the choice of ambush location was crucial—to maximize the advantage before making a move, to try to scare Būdibog out of his wits, and then appear at the most unexpected time to give the Lord of Brain Spirits a fatal blow.

"Your plan is good, but there are still many details to consider." Li Yue first affirmed Yingying's efforts, and then nonchalantly went to the cave where the silver fish was located, "Let's go, let's try to kill the imaginary beings first."

"Is it to isolate first, then hunt?" Yingying thought he understood Li Yue's plan and hurriedly followed.

"Maybe." Li Yue quickly took Yingying to the cave where the silver fish was located. The poor, powerful imaginary being was still twitching its fish head at this time.

This time, Li Yue didn't stay and observe outside the cave, but directly shot the bone sword at the fish head, smashing it and struggling to split a silver scale; and Yingying instantly attached to the silver fish's shadow, instantly dismembering the fish head into eight pieces.

"I'm still the best." Yingying imagined this as a competition.

With the fish head removed, the silver fish also seemed to have died, and the gathered magic power instantly dissipated by more than half, and the twitching became even more irregular; Li Yue was stunned in place, looking at the silver blood and solid silver scales scattered on the ground, gradually outlining the battle scene of killing Būdibog.

"Hey, what are you doing?" Yingying was confused and completely didn't understand Li Yue's behavior.

Countless charred "Skorgrick" bones pounced on the silver fish's corpse, each repeatedly stabbing it with bone spurs, even though they couldn't cause any damage at all, they still stabbed it tirelessly, like a group of overzealous extras.