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When Zhang Xiaofeng and the fire unicorn were heading towards the rainbow in the sky, a voice suddenly came from afar. Pen × fun × Pavilion www. ｂｉｑｕｇｅ。 info I saw a man in a yellow and black robe, stepping on a blue sword, hurrying towards him.

"Little brother, wait!" shouted to Zhenyuan Daxian, who was sweating and was extremely prostrate.

"Huh?"

When Zhang Xiaofeng heard the sound, he couldn't help but turn his head to look, he didn't expect that in this vast black burial sea, he would be able to meet Zhenyuan Daxian again.

"Ahem, your speed is so fast, if it weren't for the Excalibur in my hand, I'm afraid I wouldn't be able to catch up. When Zhenyuan Daxian came to Zhang Xiaofeng, he panted.

"Big brother, how do you know I'm here?" Zhang Xiaofeng couldn't help but ask curiously.

"This ...... Originally, I was looking for the other side in the Black Burial Sea. I suddenly heard a bang, and then I saw a fire in the sky, and I saw that there was a fire unicorn beast beside you on the Flame Mountain, and I thought it must be you, so I chased it all the way. After Zhenyuan Daxian took an elixir, he explained by the way.

"Uh, I see!" Zhang Xiaofeng finished speaking, and couldn't help but twist the hair on the fire qilin's head.

"Whew!"

The fire qilin suddenly shouted dissatisfied.

"It's so fast, where are you going now?" Zhenyuan Daxian came back to his senses at this moment and asked in passing.

"Go to the fourth layer of the Immortal Killing Cave. Zhang Xiaofeng responded truthfully.

"Ahh

"Yes, yes, now we're heading to the fourth dimension. Zhang Xiaofeng nodded.

"However, this black burial sea is so big, the old man didn't even find any other shore. In my opinion, this time I came, I must have been disappointed again, and the other side of this fourth layer of space has not been found. Zhenyuan Daxian said in passing.

"Hehe, the other side is just a rough idea, let's go, I know the direction. Zhang Xiaofeng didn't say much now, and flew to the sky with the fire unicorn.

Zhenyuan Daxian was skeptical at the moment, but he seemed to have a lot of confidence in Zhang Xiaofeng, and then followed Zhang Xiaofeng and the fire qilin and went to the sky.

When the sea is buried in the dark moon, the clouds are so low that there are violent storms, lightning and thunder. After the rain, there is the so-called yang moon, so the sky is clear, and a rainbow appears in the sky. However, in the entire Black Burial Sea, only a rainbow appeared in the sky here, and if you are powerful, you will definitely find the surprise here.

"Here, how can there be a rainbow?" Zhenyuan Daxian looked up, only to see a colorful rainbow floating in the sky, like a sky bridge, but the end pointed to where I don't know, and I can't see it with the naked eye.

"I don't know, but this rainbow is the passage to the fourth level. Zhang Xiaofeng was carried by the fire unicorn, and he was already stepping on the rainbow at this moment. By the way, he also informed Zhenyuan Daisen to come.

"...... this?"

Zhenyuan Daxian wanted to ask Zhang Xiaofeng how he knew, but after thinking about it, he still didn't ask, after all, when Zhang Xiaofeng fell down the mountain, he didn't go to help, and he was really a little reluctant not to come.

"Fire Qilin, is this rainbow an entity?" Zhang Xiaofeng couldn't help but wonder when he saw the Fire Qilin walking step by step, it didn't look like he was stepping on a floating cloud at all.

"Want to know, you won't come down and walk around yourself?" said the Fire Qilin to himself.

"Damn!" Zhang Xiaofeng raised his middle finger, and after scolding, he got off the fire unicorn and stepped on the rainbow.

"This ...... , Big brother, the rainbow is originally a glow only after the reflection of the sun, but how can this rainbow be the body?" Zhang Xiaofeng not only stepped on his feet, but also squatted down at this moment, stroked the rainbow, and asked puzzledly.

Seeing this, Zhenyuan Daxian also went down to the water sword, and he also observed it like Zhang Xiaofeng.

"The Immortal Killing Cave is not an ordinary existence, maybe it is related to the fourth layer here, so such a strange scene appeared. Zhenyuan Daisen didn't know how to explain.

Zhang Xiaofeng touched the rainbow at the moment, but there was a burst of emptiness in his heart. The rainbow has an order, that is, from the edge of the earthy yellow, then fiery red, followed by light blue, shun but turquoise, dazzling white gold, but this rainbow is not the colorful rainbow that appears in the naked eye, there are two more at the edge, but the remaining two halos are a little blurry, and Zhang Xiaofeng is difficult to distinguish at this moment. These two rays of light seem to be changing all the time, and they are not at all certain.

"Big brother, what are the colors of the two rays of light on these edges?" Zhang Xiaofeng saw that he couldn't distinguish it, and couldn't help but ask Zhenyuan Daxian to get up.

"Uh, that's ......"

Zhenyuan Daxian originally thought that this rainbow was only colorful, but now when Zhang Xiaofeng asked, he found that there were actually two rays of light, and at this moment he also began to pay attention to the two rainbow rays on the right edge, but he was like Zhang Xiaofeng, he couldn't see any color at all, and when he blinked, it was as transparent. In desperation, he could only shake his head, indicating that he didn't know.

Seeing this, Zhang Xiaofeng suddenly came up with a sentence in his mind: "The Nine Dao Divine Dragon Recipe was created by the old man all his life, and then the old man only cultivated to the realm of seven colors, and then he stagnated......

The founder of the Nine Dao Divine Dragon Recipe cultivated to the realm of seven colors, and the rainbow in front of him at this moment seemed to correspond to his own cultivation, and the color was the best proof. What are the sixth and seventh realms? Can this immortal-killing cave tell you all the answers in your heart?

As soon as he thought of this, Zhang Xiaofeng stood up, then stepped on the back of the fire qilin and said, "Big brother, let's go!"

Zhenyuan Daxian naturally didn't understand what Zhang Xiaofeng was thinking, and at this moment, he also stepped on the Water Mangshen Sword, followed Zhang Xiaofeng, and followed the half-arc of the rainbow and went forward.

For example, today's rainbow is like a rainbow bridge, connecting the passage from the Black Burial Sea to the fourth layer of space. In the midst of Huaguang, Zhang Xiaofeng really has a lot of associations. Now Zhang Xiaofeng can be sure that this fourth layer must be a wood element space, and the fifth layer is a gold element. But is there still a sixth and seventh layer of space in this immortal killing cave? Now this is the answer that Zhang Xiaofeng wants to know the most, if it still exists, then the remaining two spaces must be worth going to by himself, after all, they correspond to his own cultivation!

With the arc of the rainbow, Zhang Xiaofeng gradually came to an end under the load of the fire unicorn. At the end of this rainbow, a cyan mist appeared visible to the naked eye, Zhang Xiaofeng's eyes flashed, obviously proving his guess, and he couldn't help but shout: "Go, the fourth layer of space is in front of you." ”

Zhenyuan Daxian was even surprised at this moment, the rainbow in front of him seemed to be really a passage, no wonder he had not been able to find it in the past, and now he was still looking for the immortals on the other side of the Black Burial Sea, I am afraid that he would return again in vain.

But surprise to surprise, Zhenyuan Daxian also took a breath, followed Zhang Xiaofeng closely, and then disappeared into the green mist together.