Caidie's strength is not as good as Cailin's, not because she is lazy. Her talent is not much weaker than Cailin's, but her personality determines that she is not good at fighting with others. Lacking combat experience, her cultivation speed will naturally slow down. Secondly, she has been searching for strange fire for these years.

As we all know, strange fire is an extremely rare resource. The conditions for its birth are extremely harsh. It often appears in some extreme environments, and most of these places are full of dangers.

In some places, even the Dou Zun cannot escape unscathed.

If you want to search for strange fire in these places, it is easy to get trapped in them or even get injured.

The fact that there has been no news about the Strange Fire in the Soul Palace in recent years is obviously related to this. It is obviously impossible for someone with the strength to reach the level of a respected elder to search the world for the Strange Fire for Yao Yan. And those with weak strength cannot even enter some places. Moreover, the main business of the Soul Palace is to collect souls, so who would spend so much time on the Strange Fire?

If you have this much time, you might as well look for a force that possesses the strange fire and rob it directly.

Only the silly girl Caidie would remember that Yaoyan needed strange fire, so she spent ten years searching for it in the northwest continent, going deep into various dangerous places for this purpose.

Fortunately, hard work pays off and Caidie found some clues and traces.

"Let Caidie take you to get the strange fire tomorrow. It just so happens that one of the strange fires is in the Izumo Empire, but it's a little difficult to find it. It depends on luck. The last time we saw it, it was the little fox you gave Caidie that found it."

Cai Lin nodded slightly, staring at Yao Yan with her cold eyes. After a pause, she continued, "What exactly is that little fox?"

She had never suspected anything before, but as her strength increased and she spent more time with Ling'er, she gradually discovered that this little fox was unusual. On weekdays, Caidie often fed her elixirs, even sixth-grade elixirs.

But this second-level Green Wood Fox, which was clearly just a slightly mutated one, swallowed the pill forcefully, and its body and strength did not change at all.

Even the energy in his body did not increase. He was still as ordinary as ever, lying in Caidie's arms and acting coquettishly all day long.

But in recent years, Caidie unexpectedly discovered that Ling'er could sense the breath of strange fire. If not, even if she was given another hundred years, she might not be able to search for strange fire in the northwest continent, especially the strange fire of the Izumo Empire, which had already condensed a fire spirit and was very good at restraining its breath, disguising itself, and hiding in the deep mountains full of poisonous miasma.

"Ling'er's true form should be the flame of life!" Yao Yan pondered for a moment before speaking slowly.

"The Flame of Living Beings, ranked fifth on the Strange Fire List?!" Cai Lin frowned slightly and said in a deep voice. As Cai Die searched for the Strange Fires, she gradually became familiar with the Strange Fire List. Except for the Strange Fire ranked first, she knew the name of all the other Strange Fires.

"I met her by accident that year...but my strength was too weak at that time, and I was not qualified to refine her at all. Later, as we got along, I gradually regarded her as a family member, and I no longer had the intention to refine her." Yao Yan nodded and recounted the whole story.

Cai Lin naturally understood what Yao Yan meant. In the list of strange fires, if we talk about power, the Flame of Life might not be ranked, and it might not even make it into the top ten. However, its function in alchemy makes its value surpass that of many strange fires.

Even in the minds of some alchemists, it is enough to rank first.

After all, the first three strange fires were too illusory and were not something that alchemists could pursue. People who had possessed those strange fires in history were not even alchemists!

"With your current strength, you can keep it." Cai Lin opened her red lips and spoke softly.

“Not necessarily… I plan to refine it into my body to help her grow further and become a real living being!” Yao Yan raised his hand, and five different fire origins appeared at his fingertips. He looked at the fire origins in his palm, “If I let her grow naturally, she may not be able to grow even if ten thousand years pass… But if she enters my body, she can grow in the origins of many different fires!”

"...What are you in such a hurry for?" Cai Lin stared at Yao Yan with her cold eyes and asked in a low voice. She didn't believe that Yao Yan would do anything for strength. Since the other party could describe the little fox as family, the other party should have a high status in his mind.

"The strength is too weak." Yao Yan took the origin of the strange fire into his body and sighed lightly.

What is a high-level Douluo? Even if he really enters the realm of Douluo, he is just a slightly larger ant. If he is not a nine-star Douluo, he does not even have the qualifications to plot against Emperor Hun Tian. In the eyes of the other party, he is now just a good chess piece.

Only Gu Yuan is qualified to make him look straight in the eye, and just look straight at him, instead of treating him as an opponent.

“You’re almost a Dou Saint…” Cai Lin was confused and didn’t understand. Is a Dou Saint so weak?

"The world is huge. If you haven't entered this level, you will naturally think that this level is very strong. But when you step into it, you will find that you are just a slightly larger ant." Yao Yan suddenly remembered a sentence, "Like a mayfly seeing the world!"

The Douluo Saint is indeed very strong, but if compared with the Soul Emperor, he is really no different from a fighter. Even if he advances to the Seven-Star Douluo Saint, he still can't block a single move!
Xiao Yan in the original novel perfectly proves this statement.

Even though Yao Yan's foundation is now several times stronger than Xiao Yan's, it still cannot change this fundamental gap.

Cai Lin couldn't understand Yao Yan's state of mind at the moment, so naturally she couldn't say anything to comfort him. She was silent for a moment before she said in a concentrated voice, "So what? You are still young, and you are destined to stand at the top of this world in the future!"

Her eyes were no longer confused, instead they were filled with trust in Yao Yan.

"I believe it too!" Yao Yan was stunned when he heard that, then he chuckled.

There was a pause.

He looked at the sun that had already set in the distance and said, "It's getting late."

“?!” Cai Lin didn’t understand what he meant.

"It's time to take a break~" Yao Yan invited.

"Get out!" Cai Lin's beautiful eyes turned cold and she refused without hesitation. She wanted to do such a thing just after the sun went down. Who did he think she was?

"I once heard a saying that when a woman says no, it usually means she agrees." Yao Yan said to himself, then reached out and grabbed Cai Lin's wrist, directly suppressing Cai Lin's strength, and then flew with her to the back hall.

"You dare!" Cai Lin threatened with a hint of panic in her eyes.

"Cai Die is waiting for us~ Don't let her wait anxiously~"

"you……"

……

……

After two days of rest, on the third day, Yao Yan, led by Cai Die, went to the Ten Thousand Poison Mountains of the Izumo Empire. This is a mountain range that is shrouded in poisonous miasma all year round, stretching for nearly a thousand miles. Some highly poisonous creatures live in it all year round. There are some terrifying poisons that even Dou Zong masters are unwilling to provoke.

However, for the Izumo Empire, it is a treasure land. It is rich in highly poisonous substances and is highly sought after by poison masters. However, no one dares to go deep into the hinterland of the Wandu Mountains. It is said that several Dou Zongs have died there, and as for Dou Huangs, there are countless of them.

Most of them are overconfident poison masters who are looking for 'treasures'.

"Brush~"

Ripples appeared in space, and the next moment, two figures appeared above the Wandu Mountains. They were naturally Yao Yan and Cai Die.

Caidie pointed to the center of the Wandu Mountains and said softly, "There is a poisonous swamp that stretches for several miles deep in the Wandu Mountains. I was not strong enough back then, so I did not go deep into it... I went in in recent years and only discovered that unique poisonous swamp. But it was mainly thanks to this little fellow Ling'er!"

She tilted her pretty face, her bright eyes smiling as she stared at Ling'er on Yao Yan's shoulder, her slender jade fingers flicked her ears, and Ling'er moved her ears from time to time to interact with her.

"But whether we can meet again depends on luck. That little guy is very fast. It's also my fault that I didn't realize its peculiarity at that time." Caidie said with some regret.

"It's okay. Now that we have confirmed the location, the worst that can happen is that we can just refine the entire piece." Yao Yan smiled slightly and said calmly.

With his strength reaching this level, except for the top three strange fires, the rest of the strange fires could not cause him any trouble at all, and he could just crush them directly.

"Yeah." Caidie nodded.

Soon, the two of them flew towards the depths of the Ten Thousand Poison Mountains. With their strength, the poisonous miasma on the periphery had no effect at all. As for the dangers hidden in the poisonous miasma, they turned into nothingness the moment they approached.

There were no obstacles along the way, and soon, Yao Yan, led by the colorful butterfly, came to an extremely strange little world.

This small world seemed to be independent of the Ten Thousand Poison Mountains. It was filled with all kinds of exotic flowers and plants. Countless gorgeous flowers were blooming with vitality, full of an indescribable beauty, forming a sharp contrast with the colorful poisonous miasma around it.

It's like the difference between a dead place and a living place.

It is hard to imagine that there is such a beautiful little world in the Wandu Mountains.

But if you observe with soul power, you will find that behind this beautiful little world is endless death. Exotic flowers and plants grow in a dark green poisonous swamp, using poison and the air of the underworld as nutrients.

The various poisonous miasma around were not far away from here, but were absorbed by the exotic flowers and plants here.

Just like the eye of a typhoon.

"嘤嘤~"

As soon as they entered this small world, Ling'er on Yao Yan's shoulder shuddered, a pair of big furry ears stood up, and her emerald green eyes looked at the sea of ​​flowers below, finally locking onto a lavender butterfly and making a warning cry: "Yingying!"

The cute cry did not carry any sense of threat, but it broke the peace of this little world.

Soon, the sea of ​​flowers below seemed to be windy, and colorful butterflies emerged one after another. Those exotic flowers and plants were all transformed from butterflies. They turned into a dark green fire storm and raged up. In an instant, they turned from beautiful flowers into a smelly poisonous miasma, covering Yao Yan and others.

In it, one could even see a lavender butterfly flapping its wings, its dark green eyes staring coldly at these unexpected visitors.

"It is indeed it!" Yao Yan smiled when he saw this scene, "The Netherworld Poison Fire ranked 20th on the Strange Fire List!"

He had been thinking about this strange fire before, but he didn't expect to actually encounter it in the Izumo Empire. However, it was also thanks to the colorful butterfly's search. If it were him alone, he would probably have to spend a lot of effort to locate its existence.

"boom!"

The attack of the Netherworld Poison Fire was very powerful, rushing over with extremely strong force, heavily smashing into the space in front of Yao Yan, and was isolated by a layer of invisible object.

"Chichi!"

The dark green flame continued to rise, emitting an indescribable fishy smell, and it kept sliding down like liquid.

"The power of Dou Huang level, but this poison..." Yao Yan looked at the space in front of him that was constantly corroded by the poison and was also surprised. There was actually a poison in the world that could corrode the power of space. The power of the Netherworld Poison Fire in front of him was only at the Dou Huang level, but if it was combined with this poison, even Dou Zong would not want to provoke it.

Unfortunately, it is still just a 'little cutie' after all!
Yao Yan raised his hand and clenched it, and the invisible force instantly extinguished the dark green poisonous fire storm, and at the same time also exposed the body of the dark poisonous fire. It was a beautiful lavender butterfly with strange dark green patterns on its wings. It was only the size of a palm, but it contained extremely strong power. Every time it flapped its wings, it caused a large amount of dark green flames to burn the surroundings, and these flames were like liquid, full of viscosity and corrosiveness, and even space could not resist it.

It angrily tried to break out of the invisible cage, but it was useless.

Yao Yan exerted a little force with his palm and destroyed its consciousness, turning it into its original form.

A ball of dark green flame rose in the void.

Then, under Yao Yan's control, it flew into his palm. At this moment, it no longer had any trace of its previous ferocity, burning quietly, with an indescribable depth and beauty.

"What a beautiful strange fire." Caidie looked at the strange fire with great interest in her eyes.

Yao Yan smiled, then opened his mouth, and under the gaze of Caidie, he absorbed the ball of Netherworld Poison Fire into his body. With his current strength, there was obviously no need to be cautious in refining these low-ranked strange fires, or even prepare pills. The special nature of the Burning Technique alone was enough to digest it.

However, the original power of the Netherworld Poison Fire is no longer able to allow the Burning Technique to evolve further, let alone significantly increase Yao Yan's strength.

Yao Yan knew all this very well.

His strength was able to increase rapidly before because the power contained in the strange fire was too great and his strength was too weak. But now, the situation has reversed. A strange fire of the level of the Netherworld Poisonous Fire can hardly bring him a significant increase in strength.

What he cares about now is not the Netherworld Poison Fire itself, but the characteristics of the Netherworld Poison Fire, the characteristic of burning highly poisonous substances!
With the special characteristics of Yao Yan's body, with the help of the Burning Decree and the Netherworld Poison Fire, he can completely condense a perfect acquired evil poison body. This will also be the first step in his deduction of the exercises, so that he can first feel the magic of the evil poison body!

If this step is successful, the rest of the journey will be easier!
PS: I have been having a fever these days, so I will update a little slower. (End of this chapter)