As ye Pengfei walked, he suddenly thought of a terrible fact, that is, they are likely to never get out of this underground palace in the end.

Ye Pengfei drew the route of everyone on the ground. In fact, he doesn't need to remember how many underground palaces he has gone through, because the truth is the same.

Each underground palace is regarded as a node. Go straight to the right. At the end, the end will be connected with the starting point. Because, in the end, our route will be an irregular circle.

The irregular circular size mainly depends on the angle of the secret passage extension. If the angle is too large, you will return to the origin after a few steps. If the inclination angle is not large, you need to walk many times.

"We seem to have been moving forward, but in fact we are constantly turning back to the origin."

Ye Pengfei sighed helplessly. The people who designed this underground palace are really a little admired.

as like as two peas of Palace of the Earth, the difference is not so bad as to see what is different.

So if ye Pengfei didn't find that there was something wrong with the route, it's estimated that people would only think that the underground palace was too large to reach the end for a while.

"We almost got into the array. It's not a simple problem."

Ye Pengfei had no choice but to smile. This method is really very clever. Most people don't think of it at all.

"So you mean we're going to change lanes?"

People look at Ye Pengfei. Since this is a dead circle, it seems that there is no need to continue.

"If we regard each underground palace as a node, we will face three choices when we pass one underground palace. Every time you change, you need to choose more and more directions. "

"As long as we take the wrong step, we are less and less likely to find the right path."

With a bitter smile, ye Pengfei said that this underground palace is actually a labyrinth, like a spider web, which extends to each other and gives rise to countless possibilities. Without the right road map, it will be extremely difficult to go out.

Moreover, if the origin point of the previous fire and call was not actually on the route that ye Pengfei and others are taking now, then ye Pengfei and others are going in vain.

Because it is a circular circle, the fire point only needs to start in a certain section, and then it will be perfectly covered. In this case, it's very difficult to know where the calling creature is.

"We must have missed something," Ye Pengfei said hastily, "shall we go back and have a look?"

Before his voice fell, ye Pengfei felt a strong breath approaching. After careful confirmation, ye Pengfei was surprised and said, "I didn't expect heipao to come so soon."

because heipao was worried that ye Pengfei and others would find another exit from the underground palace and run away, he came in a hurry and didn't want to hide his breath.

In this way, ye Pengfei can easily detect the whereabouts of heipao.

"Come on, get out of here and go back the same way."

Ye Pengfei felt that it was not the right time to meet black robe, so he decided to avoid black robe first.

Hearing this, the public did not hesitate at all, so they withdrew directly.

When ye Pengfei can feel the breath of heipao, heipao naturally also perceives the existence of Ye Pengfei.

As a result, ye Pengfei and others ran in front, while heipao ran after them.

You chase me, the distance is constantly being shortened.

Even if the black robe is no longer good, its strength is stronger than that of Ye Pengfei and others. In terms of speed, it is extremely fast.

"What to do? It's about to catch up

Feel the breath of black robe closer and closer, at this time, Huang Yueying began to worry.

"Continue to think of ways to delay time."

Ye Pengfei was not idle even when he was running. He was thinking about whether there were any clues left behind before.

Chengfeng and others silently take out all kinds of magic weapons from their pockets, and constantly try to delay for a moment.

However, whether it's magic weapon or array, in front of the black robe, it's just a touch and break.

Seeing the distance of black robe getting closer and closer, people began to worry.

Although the underground palace is huge, there is not much space for the secret roads. It's not easy to fight.

"I know,"

suddenly, ye Pengfei seems to have grasped some key thing. He looks back and says with a smile, "I know where the cry comes from."

"where? Where is it? "

People quickly asked, at this time, if we can find the creature that is singing, it may also mean that there is room to continue to escape.

"It's the next underground palace where we meet."

Ye Pengfei laughs, but his words arouse people's surprise."How could it be there?"

People's disbelief fell in Ye Pengfei's eyes, but ye Pengfei said confidently: "whether you believe it or not, that underground palace must have other organs."

After the meeting, they went a long way, and they were almost there when they turned back. Soon, people came to the underground palace that ye Pengfei said.

"Look here,"

Ye Pengfei pointed to the place where the stone was in the middle and said: "in this place, the trace after the fire is particularly obvious. Why? Because it's been burned twice. "

"That is to say, the fire started here and ended here."

"But we were near here at that time, and we didn't feel that the sound of the song was very loud."

At this time, Huang Yueying asked somewhat puzzled.

If they were so close, they should be able to hear quite a lot of calls.

Ye Pengfei couldn't help laughing, "the chirp comes from here, but it's not here."

"Now time is so tight, what else do you sell?"

The girl frowns directly, and stares at Ye Pengfei.

Ye Pengfei said with a smile: "we all heard the cry, but in fact, it's not because the sound is very loud and can spread far away, but because the sound comes from the bottom of the earth and can be heard in every underground palace."

Ye Pengfei pointed to the huge stone in the middle, and then his mind moved. A sword was condensed, and the huge sword fell directly to the place where the huge stone was.

In an instant, a huge hole appeared in front of Ye Pengfei and others, and the bottom of the hole was empty, and even a faint fire light came out.

The next moment, once again, there are full of angry calls.

Everyone heard a real surprise.

It's unnecessary for ye Pengfei to say that the people just jumped into the pit.

Below the underground palace, there is a huge pit, in which a raging fire is burning.