Zhang Tie has been closing his eyes, immersed in his own sea of knowledge, and while recuperating his energy, he is paying attention to the situation in and outside the entire cave with his ears.

Two hours later, the cave and the outside were calm again, and the sound of snoring sounded in the cave, and Zhang Tie opened his eyes.

Xiu Wen was sleeping next to him, he didn't have a thorough rest last night, he was woken up in the middle of the night, after a day of heavy body work, the fatigue that emanated from the bone marrow of his body had already made him sleep without knowing it, unless someone yelled in front of him and there would be some big movement, he would wake up, and the other people in the cave were also sleeping like Xiu Wen.

The only sound left in the cave besides the snoring was the occasional gurgling sound of those with empty bellies after they fell asleep, and another way for everyone to ward off hunger without adequate food was to drink plenty of water before going to bed.

Zhang Tie just touched Xiuwen's shoulder with his hand, and sent Xiuwen into the Black Iron Castle, and then Zhang Tie stood up, quickly circled around the cave, and sent everyone in the cave in.

After doing this, Zhang Tie quietly slipped out of the cave.

Next to Zhang Tie's cave were other caves where the Terran captives were resting, and under the dark vision, the situation in all the caves was like daylight to Zhang Tie.

Because of the first experience, and the Senel family did not expect that the same incident would continue to occur on the second day after someone "escaped", after a day of hard labor, everyone slept a little dead, and even the slave prisoners relaxed after a busy day, so Zhang Tie was even more smooth when he got people into the Black Iron Castle.

When working in front, Zhang Tie had a clear understanding of the situation and topography of this underground space, and knew that those Terran captives who were still sticking to the bottom line of not eating people lived in those places, at this time. Zhang Tie blessed himself with a swift movement and a stealth technique, and his body was like a ghost moving through those dark caves and spaces, using the fastest degree to continuously send one Terran captive after another into the Black Iron Castle.

The Senel family used this underground space as a huge prison cell, and the management measures they used, although very cruel, were also relatively rough, in the eyes of those of the Senel family. As long as the exits on both sides of this underground space are blocked, where can those Terran captives go, and therefore, when these Terran captives finish a day's labor and rest, the Senel family's care of this prisoner gathering area will be relatively relaxed, which will be more convenient for Zhang Tie's actions.

Those people in the Senel family probably can't even think of it. There is actually a person like Zhang Tie, who can transfer those captives around him to an independent time and space anytime and anywhere.

And then again, relying on the demonic puppet army that doesn't have much wisdom as the main force to manage this place, and the number of slave prisons is very limited, it is impossible for those people of the Serné family to manage this place strictly and finely. The demonic puppets are best at destruction and killing, and for the slaves, whipping and occasionally patting the back are what they are good at.

Zhang Tie didn't know how many people he had put into the Black Iron Castle. All he remembered was that he had met a few guys who had gotten up to pee in the middle of the Swift Movement, and that he had been sent to the Black Iron Castle by lightning before they could react.

A few times, he even met a few guys with teeth on their necks, and before those guys could call out, he was also sent to the Black Iron Castle without saying anything. Such guys are a minority in the Black Iron Castle, as for whether they can survive in the Black Iron Castle, whether they will be killed by the other Terran captives, then Zhang Tie doesn't care, such a person. For Zhang Tie, if he dies, he will die, and those millions of people are dead, and it is not a pity that a few such people die.

Zhang Tie knew that this was his last chance to save people, so he worked extra hard and faster. When the effect of the Swift Movement was lost three times in a row, and Zhang Tie began to bless himself with the fourth Swift Technique, Zhang Tiexian was able to save the Terran captives who did not have teeth on their necks. There are no more.

And after running continuously for such a long time, even if he continued to replenish his body with full-effect medicine, Zhang Tie also felt a little tired.

"Heller, how many people have come in to the Black Iron Castle now?"

"21,679 people!" Heller's voice seemed to carry a burst of joy, "If the castle lord has time, you can come in and have a look, the Black Iron Castle has never been so lively now, and those people think that they were brought from hell to heaven by the gods!" ”

"Now isn't the time, wait until I get out of here, by the way, what happened to the guys with teeth around their necks that I brought in?"

"As soon as they came in, they were killed by the people who came in front of them, who thought it was an object of God's wrath to vent their hearts!"

Heller's explanation made Zhang Tie speechless for a while, but after sending those guys with teeth around their necks in, Zhang Tie also showed one thing, that is, if he encountered an enemy, as long as he touched that person, wouldn't he also be able to send that person into the Black Iron Fort to do whatever he wanted.

"The function of this spatial shelter in the Black Iron Fortress allows me to bring them in when I come into contact with them?" Zhang Tie asked a question full of hope, if Heller's answer was yes, then Zhang Tie felt that he had another big killing weapon, as long as he thought about it, even a character like Master Abian could be sent into the Black Iron Castle by himself under his own ability, and let him knead it, it would be too rebellious.

"Yes!"

Heller's answer almost made Zhang Tie jump, "Isn't there any limit?" ”

"Of course there are limitations, originally I thought you could understand the mystery of this by yourself when you sent those people in, it seems that you didn't notice this, because the main energy you sent those people in is the special linkage between your spiritual power and the space gate of the Black Iron Fortress, under this linkage, when you send the target into the Black Iron Castle, that person is actually in the 'wrapping' of the special energy field constructed by your spiritual power, this' The 'package' carries your unique energy fluctuation frequency, which is equivalent to that person's access to the guò space gate, can you understand what I say? ”

"Understood!"

"That kind of 'wrap' is actually a kind of top-down coverage of that person's mental power in a very short period of time. In order to achieve this kind of coverage, the number of bright points ignited by your current body must be at least higher than that person's, and those who have more bright points in their body than you will have a higher frequency of their mental power, and therefore, your mental power will not be able to implement this top-down coverage on that person. It is impossible to send them to the Black Iron Fortress, because the frequency of your spiritual power is lower than theirs, and it is impossible for something low to cover something high. ”

Zhang Tie was stunned, "So, it's impossible for me to get an enemy of a higher level than me into the Black Iron Castle and use the power of the Black Iron Fortress to suppress him?" ”

"Yes. If you encounter such an enemy, you can only rely on your own ability to deal with it, and the Black Iron Fortress will not be able to help. In fact, even if there is no reason for this, as long as you are at level 10, it is extremely rare to be able to touch the opponent's body with your own hands in the competition of real masters. If you encounter such people who are determined to kill you, it is almost impossible for you to have a chance to touch them in battle, and naturally it is impossible to get them into the Black Iron Citadel to suppress them by wishful thinking. ”

"Isn't my mental power more than theirs, isn't that okay?"

"The amount of spiritual power and its frequency level are two different things, one is quantity and the other is quality, and you should be able to feel some subtle changes in your spirit every time you ignite the light, in that kind of change. Even if the total amount of your spiritual power does not increase, you still feel that your spiritual power is a lot stronger, that is, the frequency of your spiritual power is increased, and it is also a qualitative improvement. ”

"So, if it's not an enemy, can I bring someone higher than me into the Black Iron Castle?"

"The only condition for those who have a higher spiritual power frequency than you to enter the Black Iron Citadel is that their body and mind and the spirit of the whole person are completely relaxed. It is only possible when you are fully trusted! ”

"Do you have a way to do that, old man?" Zhang Tie knew that Heller must understand who he was talking about.

"I'm sorry, but since that old man had his limbs cut off and watched his limbs being eaten by demonized puppets, both physically and mentally. Under such a blow, he has already collapsed, he will die at any time, and it may even be dead, I can't do anything about such an injury! ”

Zhang Tie understood, when exchanging these words with Heller, he had already left the place where the Terran captives were sleeping, and came to the open area on the edge of the magma river where all the Terran captives had gathered more than twenty hours ago, and the whole person's body was also exposed from the relatively hidden darkness - but fortunately, at this time, no one seemed to pay attention here, and no one would have thought that the Terran captives would risk their lives to come and see or save this old man.

The fiery red light of the river of magma illuminated the riverside, and there an old man who had lost his limbs lay on his back on the ground, looking miserable and lonely. At this time, he even lost the ability to commit suicide, and those slaves did not have to worry about him running away or committing suicide, but put him there and let him feel his death in the most painful way.

Seeing this old man, Zhang Tie's heart trembled, he didn't dare to delay at all, and when he checked that the arteries in the old man's neck were still beating weakly, he picked up the old man and left here quickly.

Zhang Tie hugged the old man and returned to the relatively dark place, the old man still had a faint breath, his mouth was completely erosed, the whole person's face looked terrifying, on the wound on the old man's body, there were some ants living underground, biting and eating the flesh and blood of the old man's body.

After dispersing the ants on the old man's body, Zhang Tie put his hand on the old man's chest, and directly injected the all-effect potion and some clear spring water in the Black Iron Fort into the old man's stomach, so that the effect of the potion and the water slowly dispersed in the old man's body.

A minute later, the old man slowly opened his eyes, he looked at Zhang Tie, the whole person's mouth moved, but he couldn't say a word, only some strange sounds came out of his throat, the old man looked at Zhang Tie with a stunned gaze, and two lines of tears flowed down at once.

In the eyes of the old man, Zhang Tie read two messages, one is gratitude, and the second is a request - let Zhang Tie end his current suffering, every second of his life now, the huge trauma of body and mind is extremely painful for him, it is a great torment.

"I took those people who disappeared yesterday away, and now I have taken them away from all the Terran captives who did not eat human flesh in the entire underground space, they are now in a safe place and will never be found by the demons, do you have any other requirements and wishes now?" Zhang Tie whispered into the old man's ear.

Hearing Zhang Tie's words, a brilliance flashed in the old man's eyes, and the voice in his throat became louder, Zhang Tie put his ear to the old man's mouth, and after listening to it for a long time, he could hear that the hoarse and vague and trembling voice in the old man's throat kept repeating what seemed to be just a word.

“…… Stay alive ......"

“…… Stay alive ......"

“…… Stay alive ......"

"Do you want me and everyone else to live well?"

A look of relief appeared on the old man's face, and he nodded with difficulty.

Seeing the old man nodding, Zhang Tie's tears fell all of a sudden, at such a time, this respectable old man's greatest wish in his heart was to hope that all those who escaped could live well.

Zhang Tie's tears fell on the old man's face, and at the same time as Zhang Tie's tears dropped, the expression on the old man's face distorted painfully, looking at Zhang Tie's eyes began to plead, hoping that Zhang Tie would let him end this pain.

"I promise you, no matter what, we will live well."

After saying this, he closed his eyes and stretched out his hand to the old man's chest, wanting to spit out his battle qi, but it felt extremely difficult, Zhang Tie's hand trembled.

Some sounds came out of the old man's throat, and although Zhang Tie closed his eyes, this time, he suddenly understood what the old man wanted to say.

"Please......"

"Please......"

"Please......"

This was the old man's last plea.

……

Zhang Tie finally gritted his teeth, and the battle qi in his hand was gently spit out, breaking the old man's heart with the fastest degree.

The voice of the old man in his arms stopped with his throat, Zhang Tie opened his eyes, but what he saw was the old man's closed eyes and the relieved smile on his face.

"I swear, I will completely crush the Senel family, and use the filthy blood of the Senel family to bury all those who died here in vain." Zhang Tie made a solemn oath to the old man's still warm body, and then Zhang Tie sent the old man's body to the Black Iron Fort for Heller to be buried properly.

Zhang Tie, who wiped a handful of tears, stood up and glanced at the large camp of the demonized puppet army in the distance, a sharp light flashed in his eyes, and then the figure of the whole person turned into light smoke again, and under the cover of darkness and terrain, he quickly rushed towards the big camp.

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