Of course, Xiao Lu and the ghosts will not have any objections to Ma Zhen's suggestion, after all, in this case, it is still necessary to be cautious, and Ma Zhen, a mortal, can temporarily focus on the overall situation and abandon his feelings for the mortal world, and they are not qualified to speak against it.

Xiao Lu and Ghost Cha led the team, and Ma Zhen followed, and soon, they found a relatively hidden place not far away.

This is a boulder forest, Ma Zhen glanced left and right, and felt that there was no difference from the woods, as long as he hid behind the boulder and arranged the formation, it was indeed not easy to be discovered by the evil ghosts of the eighteenth layer of hell.

"Boss Ma, I thought about it just now, there are still no ghosts on the other side of the rift in the two realms, if the eighteenth-layer hell demons of the brigade are forgotten, is it possible that the weak ghosts you destroyed yesterday have to be let into the yang world?"

"So I just decided, we will rotate every two hours, send two ghosts to the vicinity of the rift in the two realms to observe the situation, if they see a weak ghost, they will directly destroy it, if it is the eighteenth layer of hell demons in the brigade, they will come back immediately to inform us, which also plays a role in detecting the enemy." Xiao Lu was also observing her surroundings, but soon, she floated up to Ma Zhen and said.

Although Ma Zhen's strength is not very good, but after all, the rift between the two realms was discovered by Ma Zhen, and he also destroyed a small team of eighteen-layer hell demons, plus the advice given by Ma Zhen is all useful, so now Xiao Lu will discuss everything with Ma Zhen, and she doesn't want to make any trouble that is difficult to clean up when the time comes.

"This ...... Of course it's the best, don't you need to use so many ghosts in your formation? Ma Zhen asked curiously.

"It's not necessary, as long as 20 colleagues cooperate with me, the rest of the colleagues will patrol and station nearby, this formation is cumbersome, but there are many ghosts, and Lord Black Impermanence only taught me and 20 colleagues, and other colleagues can't help much here." Midori explained.

"Okay, that's the best, the question is, if you really run into a tricky eighteenth-layer hell demon, don't you have a means of communication to get in touch quickly?"

"It's not surprising that you can't get in touch with it when it's so far away from the capital, but with a short-distance communication method, your mana is so strong, can't you do it?" Ma Zhen asked.

"Huh? I forgot if you didn't mention it! Xiao Lu was reminded by Ma Zhen like this, but he thought of a forgotten method: "Let's gather, do you remember our soul hooking hall's soul connection technique?" ”

"Little Green Sister, of course I remember, when there was no mobile phone before, we used this method to communicate when we caught evil ghosts, by the way, what do you want to ......"

"That's right, let's all 41 of us have a trace of soul to connect, otherwise there is no mobile phone signal here, and it will be a trouble if something is lost!" After Xiao Lu finished speaking, he formed a circle with 40 colleagues, and then while making a seal, he muttered something silently.

Ma Zhen looked at Xiao Lu and the ghosts, and was also very interested in this soul connection technique, after all, he often encountered problems in the yang world that he couldn't contact Xiaohua and Linglong, their disciples.

If in the past, when the disciples were in the Conjuring Banner, Ma Zhen would have been able to communicate with all their disciples, but in order to stay in the formation of the Evil Land, the Conjuring Banner drove all the disciples out and cut off the connection between them, so now Ma Zhen has lost this effect.

Of course, let the disciples enter the Spiritualist Banner again, and they will also be able to regain the ability to communicate with the heart, but if they return to the Spiritualist Banner, the disciples will not be able to get out of the Spiritualist Banner as they are now, and they will be able to move freely.

But now that he saw that Xiao Lu and the ghosts actually had such a trick of soul linking, his mind was also alive, if it weren't for the fact that Xiao Lu and the ghost were connecting souls at this time, Ma Zhen would definitely have to ask Xiao Lu if he could teach him this soul connection technique.

Perhaps it was the soul aspect of this soul connection technique, Xiao Lu and they sat on the ground for more than an hour before they slowly stood up.

Although time is tight now, Ma Zhen didn't think that Xiao Lu was wasting time, after all, this soul connection technique is really easy to use, and when the ghost cha of the reconnaissance finds something wrong with the rift between the two realms, he can also give back to his colleagues on the side of the Boulder Forest in time, not to mention, Hei Wuchang estimates that it will take some time to return to the capital, even if their formation is arranged, Hei Wuchang does not return to the capital to use the magic weapon, then it is impossible to find out their location.

"Niu Tou, you go on patrol with Xiaosi, come back in two hours to change shifts, and report something as soon as possible, you know?" Xiao Lu, as the only high-level ghost who led the team this time, gave instructions as soon as he finished casting the soul union technique.

Niu Tou knew that he would not be able to set up a formation, and he must have his part in patrolling, he had always looked like an old fritter in front of Ma Zhen before, but when he really did the right thing, he was still silent and unconditionally obeyed orders.

Seeing that Niu Tou nodded and floated out of the boulder forest with a colleague named Xiao Si, Xiao Lu began to assign tasks to colleagues who didn't need to set up a formation.

Half of the ghosts, Xiao Lu assigned them to patrol in four directions near the boulder forest in an orderly manner, and the other half of the ghosts were poor, Xiao Lu stayed by his side, protecting them who were arranging the formation, and after watching Xiao Lu finish explaining, he immediately began to take 20 ghosts to set up the formation, and Ma Zhen, who wanted to ask Xiao Lu about the soul union technique, did not rush up to disturb.

"Dude, I have some disciples in the yang world, and it's a trouble to contact that usually, can you teach me that soul union technique just now?" Xiao Lu's words, Ma Zhen didn't dare to come forward to disturb, but those guards were bad, they had nothing to do anyway, of course Ma Zhen would not let go of this opportunity.

"Boss Ma, isn't this very good? This is the secret technique of our Soul Hooking Palace, if it is spread rashly, I am afraid that I will be punished! "The ghost who was asked by Ma Zhen about the soul connection technique is a guy who was born with vertical pupils and a forked tongue, and they called him just now, and it seems to be a little snake who shouted, so Ma Zhen can judge from the image and name of this ghost that this ghost must have been an old snake in his previous life.

"What's this? Isn't this just a means of communication? The ghost doesn't have a cell phone now? If it weren't for the special nature of this place, where would such a troublesome method be used? ”

"And I just heard what Xiao Lu said, didn't you Soul Hooking Hall have long since used this soul combination technique? It's all been abandoned, and I don't have anything to teach it, right? Moreover, my relationship with you Black Impermanence is not ordinary, such a trivial matter, I asked her, and she would definitely teach me. In order to get the soul art, Ma Zhen did not hesitate to pull the black and impermanent tiger skin, but this is indeed very effective, the old snake heard Ma Zhen say this, and then thought of the rumors he had heard before, and nodded helplessly.

The technique of soul union is actually not complicated, it took so much time for Xiao Lu and the ghosts to do so much before, it was because they had 41 ghosts at a time to link souls, and if it was a one-on-one soul connection, it would only take a few minutes at most.

From where the old snake received the mantra and seal of the soul union technique, Ma Zhen practiced it a few times and quickly mastered it, and he didn't plan to join the soul with all the disciples of the Redemption Gate, only planned to connect with the leading Tao'er, Xiaohua and Linglong It was enough, after all, Xiaohua and Linglong were responsible for leading the team, and it was enough to notify them if there was something, while Tao'er was not by his side for a long time, and it was better to grasp the safety of Yang Yiyun's side with her.

Although the technique of connecting souls can communicate with souls, there is actually a distance requirement, the length of this distance depends entirely on the mana level of the two sides of the soul, if it is the soul of Xiao Lu and the ghosts, there is no problem with the distance across a large province, but the soul of Ma Zhen and his disciples is at most the level of an urban area, which is more than ten times worse.

In fact, Ma Zhen wanted to buy a few mobile phones for Xiaohua and Linglong, so that they could be easily contacted, but later found that Xiaohua and Linglong could afford to hold a mobile phone and call Ma Zhen, but there was a problem that could not be solved, Xiaohua and Linglong were ghosts, and the mobile phone could not convey their voices at all, so this matter was put on hold.

Of course, even if Xiaohua and Linglong can't talk, they can also use WeChat to notify Ma Zhen, but Xiaohua and Linglong don't know how to use mobile phones at all, Ma Zhen taught them several times, and when he saw that they still couldn't operate, he forgot about it.

Now, Xiao Lu and the 20 ghosts are busy, and Ma Zhen sees that it is fine, so he sits on the ground and rests.

The temperature of the underworld is much lower than that of the yang world, and it is the kind of eerie cold, Ma Zhen is fortunately protected by the spirit flag, otherwise, he is estimated to be frozen into a popsicle at this time, and he can still sleep so comfortably next to the boulder.

"Bang bang bang-"

I don't know how long I slept for a while, Ma Zhen was suddenly startled by a loud noise, and quickly opened his eyes, when he saw that Xiao Lu was knocking on the ground with a giant hammer, he immediately stood up speechless and said, "Xiao Lu, what are you doing?" It's so loud, if there are eighteen hellish demons nearby, it is estimated that they will find us. ”

"There's no way, we have to knock a few holes here, we have to erect a few stone pillars on this hole, just like the kind of antenna you mortals, otherwise our signal won't be able to travel so far from the capital." Xiao Lu knew that he had woken up Ma Zhen, and he responded apologetically.

Hearing that it was a serious matter, Ma Zhen had no choice but to nod, not daring to say anything, just after turning his head and going back to direct the ghost to knock the hole, Xiao Lu suddenly looked back at Ma Zhen again.

Seeing Xiao Lu's nervous face, Ma Zhen suddenly felt a second.

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