Before the demons and ghosts rushed into the thick fog of Yinshan Mountain, Su Mu had already learned the news of their attack.
It’s all thanks to the Painted Skin Demon!
After this period of experience, the Painted Skin Demon has become more adept at gathering intelligence.
They are like Su Mu's eyes and ears, lurking in the outskirts of Yinshan Mountain and knowing every move of the demons and ghosts clearly.
At this moment, on the outskirts of Yinshan Mountain, there are countless small demons and monsters like the Painted Skin Demon. The Painted Skin Demon is mixed in with them, and even the big demon lords like the Heyu Demon Lord find it difficult to find anything wrong with them.
What's more, the great demon lords such as Heyu Demon Lord had never thought that these insignificant little demons and monsters, who were as insignificant as ants in their eyes, would actually be instigated by cultivators and have the courage to become undercover agents and spies.
In Yinshan Mountains, in front of the Great Wall.
Su Mu, who was still constructing a poison array, immediately ordered an artillery attack after receiving the latest news from the Painted Skin Demon.
At the same time, he also said to Yin Hou and others who had already retreated and were helping to build the magic circle here: "The demons can no longer hold back and have begun to attack. Fortunately, you have already withdrawn from the thick fog, otherwise it would be dangerous."
Yin Hou immediately flattered him: "It was all because of Su Mu's timely order. Your grasp of the situation and the enemy's situation is far better than ours."
The classmates around him looked at him in surprise, thinking that his flattery was too blatant.
The Monkey doesn’t think there is anything wrong with this.
It's no use kissing up to your boss.
Su Mu smiled, and did not respond to Yin Hou's flattery. He just called out to everyone, "Let's go. It's time for us to return to the Great Wall."
At this moment, a series of "whoosh" sounds broke through the air from behind the Yinshan Great Wall.
At the same time, people saw shells shining with rune light rising into the sky.
One student was puzzled: "Teacher Su, isn't it too early to fire now? The demons haven't even entered the thick fog yet."
Su Mu leaned back tactically, but he almost fell down. Fortunately, his waist was strong enough to keep him steady and avoid making a fool of himself. He smiled awkwardly and said, "It's okay, let the shell fly for a while!"
The student had a puzzled look on his face and wanted to ask more questions, but he saw Lin Jian'e next to him and many students majoring in flying swords on the Great Wall, all practicing sword-controlling skills at this time.
The shells that flew into the sky were flashing with rune lights, as if responding to the students majoring in flying swords. They did not fall immediately, but hovered in the air, like flying swords controlled by sword-riding techniques.
Seeing this scene, more people were surprised and puzzled, and asked the sword flying students they knew: "You can actually control cannonballs? Why didn't we know you had this ability before?"
The student who was majoring in flying swords replied proudly while controlling the rune cannonballs: "Isn't it amazing? These are all new skills that Teacher Su taught us!"
It turned out that after obtaining a series of military weapons, Su Mu was studying how to better and more effectively utilize the power of these military weapons.
After some exploration and experimentation, Su Mu combined the sword-wielding skills, the technology of military weapons, the principles of drones, and other knowledge through the interdisciplinary integration function of the krypton gold plug-in, and improved and enhanced them.
In the end, he succeeded.
I got the advanced version of sword control - egg control... No, it's bullet control!
If it's an egg protector, it would be even scarier...all male creatures would have to stay away.
Otherwise, I will let you experience what it feels like to use the idiom "all but one thing is lost".
With the art of controlling bullets, coupled with the control of students majoring in flying swords, and combined with the demonic energy monitor, even if the thick fog of Yinshan Mountain obscures the vision, it is still possible to accurately strike demons and ghosts!
Even under the control of Lin Jiange and other students who were familiar with sword formations, these rune shells were still in the air, forming sword formations... No, it should be called a bullet formation, or a firepower network?
Some students used the rune telescope to see how these shells were controlled by the art of missile control and arranged in formations in the air.
Some of them are in SB formation, while others are in NB formation. Students majoring in flying swords with relatively high cultivation levels, such as Lin Jian'e, can also arrange these shells into more complicated formations like X**D.
This also made many people admire: "Just looking at the formation, we can tell that these students majoring in flying swords are all top students who have studied in Zuan!"
On the way back to the Yinshan Great Wall, Su Mu patted the gourd on his waist.
After the eye pattern on the gourd opened, he said in a voice transmission: "Please help me pass on the message. I will soon open the [Homecoming Gate] in the Yuanjiao Secret Realm. Please ask Principal Wen and the others to be prepared and provide support as soon as possible!"
"Do you really treat me as an operator?" A dissatisfied hum came from inside the gourd.
But no matter how dissatisfied he was, he still conveyed Su Mu's words out of the Yuanjiao Secret Realm as soon as possible.
This time it was not because Sumu gave a lot, but because Sumu owed a lot.
If Su Mu died in the Yuanjiao Secret Realm, no one would pay him the money and wine that were owed to him.
Gu didn't want to see all the money and wine he earned from working so hard, selling his blood and saliva, and even giving up his status to work part-time as a telephone operator and courier, all go to waste.
After conveying Su Mu's words, Gu shook the half-drunk bottle of wine in his hand and sighed: "I used to hear people say that the one who owes the debt is the boss, but I didn't quite understand it. Now I understand, the one who owes the debt is really the boss!"
Su Mu didn't know what the drum was complaining about, and even if he knew, he wouldn't care. He might even use his identity as the "debt-owing uncle" to make the drum stick busier.
After he retreated to the Yinshan Great Wall with Yin Hou, Lin Jiang'e and others, he immediately called over the classmates who had not yet established their foundation and Su Ye.
"You all know how to activate the magic circle and open the [Homecoming Gate], right?"
Seeing that the students who had not yet established their foundation were nodding, Su Mu continued, "The situation is urgent, so I won't waste any more words. You leave now, and when you return to the human world, quickly inform the various cultivation schools of the location of the secret realm's entrance and exit, and ask them to send reinforcements as soon as possible! Whether we can defend the Yinshan Great Wall, and whether our classmates can shed less blood and sacrifice less, depends on you!"
Although these students who have not yet established their foundation want to stay and fight alongside everyone, they also know their own limitations.
They knew very well that their strength was inferior to those combat rune figures, and if they stayed, they could only play a limited role, and might even become a burden and cause trouble for everyone.
In comparison, leaving the Yuanjiao secret realm and returning to the human world to guide the reinforcements and provide detailed intelligence is indeed a better choice.
Moreover, Su Mu's words magnified their role, making them feel that they were leaving Yuanjiao Secret Realm at this time not to be deserters, but to shoulder a very important mission.
For a moment, all the students who had not yet established their foundation were excited and said, "Teacher Su, don't worry, we will definitely call for reinforcements as soon as possible!"
Su Mu cupped his hands and said seriously, "I'm counting on you all!"
Only Su Ye raised an objection: "I think it would be more useful for me to stay."
Without waiting for Su Mu to open his mouth to refute, she quickly gave her reasons:
“First of all, I have already established my foundation. Although I cannot use spells, I can use weapons such as the Star-Picking Cannon, so I still have some combat power.
Secondly, my luck has always been good. If I stay, I can add luck buffs to everyone. Luck is also very important on the battlefield. For example, Emperor Guangwu was able to cause meteorites to fall from the sky and turn the tide in one fell swoop because of his full luck!
Finally, I know a little bit about understanding the battle situation and commanding operations, and I will definitely be able to help you."
Su Mu let Xiao Ye go because he didn't want her to be in danger, but the reasons Xiao Ye listed were so reasonable that he couldn't refute them.
In fact, Su Mu also knew that Xiao Ye insisted on staying, not only because he could really help, but also because he was worried about him and didn't want him to take risks alone.
"Okay, then you can stay!"
The situation was urgent, and Su Mu did not waste time on romance. After a little consideration, he agreed to Su Ye and let her stay.
However, in secret, Su Mu was quietly communicating with Cai Mao and Fei Li.
"You must always stay by Xiao Ye's side and protect her safety. When I order you to take her away, no matter how she reacts, you must take her away from Yuanjiao Secret Realm, even if you have to knock her out and take her away, understand?"
He must consider the worst-case scenario in advance.
After hearing what Su Mu said, Cai Mao and Fei Li's expressions changed slightly, but they didn't say anything. They just nodded slightly to show that they understood.
The students who had not yet established their foundation soon arrived at the [Homecoming Gate], pricked their fingers, let blood drip, and activated the magic circle.
The moment the [Gate to Homecoming] was opened, both the demons and ghosts outside Yinshan Mountain and the practitioners in the human world noticed it.
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