The Qi Men Dun Jia is a sect derived from the Five Elements and Eight Trigrams. The former focuses on intricate details, while the latter controls the overall situation. Each has its own advantages and disadvantages.

In terms of breaking formations, Qi Men Dun Jia is the most difficult because it is interdependent and one small change can affect the entire situation.

If there is no way to escape from the formation, one can only follow the master's arrangement and continue along the path of the formation, competing with it.

Either die or break through all the formations.

However, Qi Men Dun Jia also has its disadvantages. Compared to the flexibility of the Five Elements and Eight Trigrams, the changes in formations in Qi Men Dun Jia are arranged during the formation setup and can be obtained through precise calculations to obtain the desired answers.

So as long as one understands Qi Men Dun Jia, deciphering the formations is only a matter of time.

After Yunlan understood the key points, she surveyed her surroundings and quickly found the weakness of this formation.

But when she lifted her leg to step out of the formation, she couldn't help but hesitate.

Before this, she had never come into contact with Qi Men Dun Jia. How did she know all this? And she didn't even need to calculate, yet she found the formation's core.

Just like the instinctive way she used to grasp the small stone, it was not something that could be comprehended with a moment of inspiration. Otherwise, Master Xuan Cheng wouldn't be so surprised.

Confused and puzzled, but Yunlan had no fear of the unknown.

She could clearly feel that it was the ability she should have possessed, and it didn't stop there.

It's just that she doesn't know why she had forgotten it, and there were no relevant memories in her mind.

Trusting herself, Yunlan swung her sword towards the formation's core.

The scene in front of her changed once again, but this time, instead of moving from one forest to another, she entered a world of fiery red.

The originally leaf-covered ground has turned crimson and cracked, with no plants around. The sky is dark and emits a red light. A scorching heat, mixed with the smell of mud, hits Yun Lan, who possesses the Ice Elemental Root, making her extremely uncomfortable.

As mentioned before, the most difficult aspect of Qimen Dunjia is its interlocking nature, where one move affects the entire situation.

Although Yun Lan has found the eye of the previous formation, it is not connected to the core of the grand formation. Therefore, after breaking that formation, she did not come out of the entire grand formation but fell into a new small formation.

This new formation is extremely familiar to Yun Lan.

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When the secret passage opened, several fragmented scenes appeared in her mind: a sea of flames, an endless icy world, roaring gusts of wind, and a strange willow tree waving its vines...

The first one has already been verified.

She has not triggered this formation yet. If she takes a wrong step, she believes that the sea of flames will rush out from the low-hanging clouds and turn into the scene she saw before.

She doesn't know how the young man and the others are doing. Without one or two protective treasures, they won't be able to hold on in this formation for long.

Qimen Dunjia is interconnected, and the spiritual energy that maintains the formation is the same. It can be replenished at any time from the surplus, and as long as the grand formation is intact, the attacks from the small formations will continue endlessly.

After the sea of flames, indeed, there is an endless icy world. However, Yun Lan has discovered something different from this icy world.

In theory, she, with her Ice Elemental Root, should not fear the cold. The colder it gets, the more comfortable Yun Lan should feel.

But now, she is trembling from the cold.

The world within this formation is not real but has been masked by some kind of spell, giving them such realistic feedback.

After breaking several eyes of the small formations in succession, Yun Lan takes out a spiritual stone to replenish the spiritual energy in her body.

We can't continue like this.

If this place is really not an ordinary paradise as she saw before, but the remains of immortals, then these Qimen formations are the defensive lines laid down by the immortals for their burial grounds. It's impossible to only have a few or a dozen of them.

These small formations that are not difficult to set up can be arranged casually, dozens, hundreds, or even thousands of them are possible.

If we continue like this, even if there are enough spirit stones in Yun Lan's storage bag, she will be exhausted.

We must find a way to identify the weak spots connecting the small formations and the large formations, and use them as breakthrough points to break out.

Although there are traces to follow in the Qimen formations, they are not fixed. Otherwise, Yun Lan would not have broken one formation and entered another one while remaining motionless.

If her cultivation level were higher, she could easily open a passage for herself in the formation by brute force.

But now, she can only sense the transition between the small formations and the large formations at the moment when a small formation is broken.

In the Qimen formations, one must not move. Once moved, the small formation will be activated, and then Yun Lan not only needs to find the formation's core, but also resist the attacks of the formation. That would be a difficult situation.

The few cultivators who entered with her earlier, if they are not as cautious as Yun Lan, they are probably already struggling.

Breaking one small formation after another, Yun Lan finally found a trace of power that did not belong to this formation during the transformation of the formations.

The opportunity was fleeting, and without hesitation, Yun Lan gathered all her spiritual power on her sword and stabbed towards that point.

The changing formation suddenly solidified, and from the point where Yun Lan struck, the space seemed to be shattered glass, with fine cracks rapidly spreading around.

Finally, with a crisp sound, the fragments burst, and the real environment outside was finally revealed.

Yun Lan immediately flashed and flew out.

She only broke a small part of the entire formation, just like the small formations she had broken before, which would not affect the operation of the entire formation.

She didn't know if this formation had a self-repairing function. If it did, if Yun Lan continued to stay in place, the formation would soon recover, and her previous efforts would be in vain.

The Qinglian Sword in her hand became even greener. It seemed that using the sword technique to break the formation was indeed more convenient.

Looking around again, it seemed like she was back in the first formation. As far as the eye could see, there were endless mountains and undulating mountain ranges.

But unlike before, Yun Lan could faintly hear the roars of beasts and the movements of monsters in the mountains. This was the true appearance of most of the secret realm.

The trouble was, the entrance they had entered from had disappeared.