The Fortress of Dark Iron is Zhang Tie’s strongest trump card and the greatest support. As long as the Fortress of Dark Iron exists, Zhang Tie will be able to overcome difficulties and overcome difficulties. When Zhang Tie wanted to use the Black Iron Fort, he found that the Black Iron Fort could not be used anymore. Even if it was Zhang Tie, he couldn't help feeling a little flustered at this moment.

"Heller, Heller, can you hear it?" Zhang Tie hurriedly called Heller in the sea of ​​knowledge. According to Zhang Tie's experience, even if the Black Iron Fortress cannot be used, the connection with Heller is It will not be easily disconnected, as long as the magical arch of the Black Iron Fort is still within his sea of ​​knowledge, he can contact Heller anyway.

"You can hear it, Lord Fortress, congratulations to Lord Fortress for not dying..."

Heller's voice appeared in Zhang Tie's Sea of ​​Consciousness, and he remained calm, but with two more emotions, which made Zhang Tie a little calmer.

"What's going on, why can't I move the contents of the Black Iron Fort? I can't use the space function of the Black Iron Fort!"

"Do you remember your experience in the Tower of Time? In the Tower of Time, once the Tower of Time is opened, the Lord of the Castle cannot use the Castle of Dark Iron!"

"Ah, what are you talking about, you said this place I am now in is the Tower of Time?"

"This is not the Tower of Time, but certain irresistible forces produced by the twisted space-time structure of this world restrict the use of the Black Iron Fort here." Heller said calmly.

"Why is this?"

"Do you remember the first feeling I felt when I entered this world?"

Zhang Tie thought about it seriously, "It seems to have been sucked in. As soon as my Peng Wang Faxiang entered the weird space entrance here, he felt a huge suction force that was irresistible and sucked me in!"

"This is the expression of the strange power produced by the space-time structure of this world. Lord Lord only needs to imagine this world as a huge balloon that is automatically inhaling, and the Black Iron Fortress as a smaller balloon. While the balloon is inhaling, put a smaller balloon inside the larger balloon, or use a pipe to connect with the larger balloon. What result does the Lord Lord think will happen?"

"If a small balloon is placed inside a large balloon, the small balloon will be under tremendous pressure, and if the small balloon and the large balloon are connected by a pipe, the large balloon will **** up the air in the small balloon!"

"For space items like the Black Iron Fort, the general situation is similar to the two situations mentioned above. Because of this, the Black Iron Fort cannot be used."

"You said space items, is it the same with other space equipment?"

"Yes!"

"Ah, why is this world like this?"

"Because strictly speaking, this is not a complete world, nor is it a parallel universe. Judging from the power generated by the space-time structure here, it is more like a world created by some kind of power, but then this world has It was damaged to a certain degree and became very unstable!"

Zhang Tie was shocked in his heart and almost exclaimed, "How is the created world possible!"

"Don’t you forget the Lord of the Castle, if you give the Black Iron Fort enough time, maybe one day the Black Iron Fort will become like this world..."

"That said, would I never be able to use the Black Iron Fort in this world?"

"That's not the case. The power of all things and everything is cyclical, just like the dryness of grass and trees, as well as the rising and setting of the sun, and the changes of the moon phases. The power generated by the temporal and spatial structure of this world should also be cyclical. Yes, at certain points in this cycle, Lord Fortress can still use the Fortress of Dark Iron!"

Heller finally said the "good news" that let Zhang Tie relax a little bit, but then, Zhang Tie thought of something, his whole face suddenly changed. When his body and strength did not recover, what Zhang Tie thought about How to restore his body and strength as soon as possible, at the same time, but at this time, Heller’s words reminded Zhang Tie all of a sudden, and made Zhang Tie aware of this very, very serious problem. This world is not a castle of black iron, and he did not come by himself. If you want to leave, at the same time, this world and the world you came from are two separate places. I have never heard of such a world before. Now I am here, how do I go back?

"Can I go back?" Zhang Tie was dumbfounded before swallowing, and asked Heller the last question with some difficulty.

This question silenced Heller for a while, and Heller's silence gave Zhang Tie an ominous premonition suddenly.

After a while, Heller's voice reappeared in Zhang Tie's sea of ​​consciousness.

"I can't answer this question from Lord Fortress. I cannot predict the future, nor can I help Lord Fortress outside. I can only say that the power generated by the space-time structure of this world is shrinking, like a sea abyss. The vortex in the middle of the vortex, Lord Master should have a deep understanding of the power of the vortex in the abyss. Once sucked into such a vortex, there is no power beyond this vortex, or it is difficult to get out before the vortex completely disappears... …"

Zhang Tie stayed in a daze, then thought of something, and quickly asked, "In the sky above the Yin Sea, I felt the fluctuation of Hunyuan Tianjun when the equipment was broken. The fluctuation was like a spark that detonated the entire gunpowder. Just like a barrel, a hole and entrance appeared in the surrounding space in an instant. If I can also break some space equipment near the place I just appeared, can I find it again like when I came here Roads and entrances!"

"No, the reason is still the one just mentioned, because the power generated by the space-time structure of this world is shrinking. Even if Lord Fortress can repeat the same thing, even if Lord Fortress can find the entrance to this world. , I can’t go back along the same path anymore, because the entrances in different dimensions are always changing, arising and passing away. Even if the entrance has not disappeared, it is only one-way..."

Zhang Tie was completely stunned. Although Heller’s words did not say death, for Zhang Tie, the possibility of Heller’s words foreshadowing that he could return to Taixia and the world he was familiar with was already very Slim,

Thinking of his parents, thinking of his family and children, thinking of Pandora, Bai Suxian and Aulaora, thinking of the possibility that he might never see those familiar and kind faces again, Zhang Tie's tears shed all of a sudden. ...

I don’t know how long it took, the door of the room was pushed open, and then a pleasantly surprised voice appeared in Zhang Tie’s ear, "Ah, you have woken up..."

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