Lan Feng guessed correctly, the deeper the Thunder Fog Lake, the stronger the thunder and lightning released by the mysterious fog.

"Cool, so cool!" Feeling the thunder and lightning raging in his body, Lu Lin not only did not feel a little uncomfortable, but exclaimed with joy.

Everyone could clearly feel that the strength of their physical bodies was increasing at an astonishing rate.

If it was said that at the edge of the Thunder Fog Lake, it would take them three years to raise their physical strength to the late seventh order, then here, they were sure that they would be able to raise their physical strength to the late seventh order within a year.

The strength of the thunderbolt, as well as the strengthening effect on the physical body, have been increased by three times!

"It seems that this Thunder Fog Lake, we have come to the right place!" Lan Feng was also smiling, faintly intoxicated.

Logar couldn't wait to say, "Go, keep going inside!"

They had just broken away from the edge of the Thunder Fog Lake at this moment, and they were still far away from the center of the Thunder Fog Lake.

As long as they did not enter the middle of the Thunderfog Lake, their safety would not be threatened, so they naturally chose to move on.

For Logar's proposal, Lan Feng and the three obviously agreed, and no one hesitated, and they all marched towards the center of the Thunder Fog Lake.

It took about a few hours for Lan Feng and his party to finally come to the depths of Thunder Fog Lake.

"It's the middle of the Thunder Fog Lake ahead, right?" his gaze fell on the mist that flashed from time to time in front of him, Lan Feng stopped and said with a solemn expression.

In most areas of the Thunder Fog Lake, although there is the existence of thunder and lightning, its strength will not pose a threat to Lan Feng and the others, but in the center of the Thunder Fog Lake, the dazzling light that flashed from time to time, mixed with the roar of thunder and lightning, faintly conveyed a brilliant heavenly might, which made people feel a little palpitating.

When the intensity of the current reaches a certain level, it will produce a qualitative change and become a terrifying lightning visible to the naked eye!

This kind of lightning is extremely terrifying, even Lan Feng doesn't have much confidence to compete with it.

"No, I'm almost at my limit. Logar endured the burning pain of his body, his face distorted slightly, "If I go any further, my body will definitely collapse!"

Of the four, Logar was the weakest in flesh and the first to reach the limit.

"Then we'll be here. Thinking of Ye Luoli and Bolt's reminders, Lan Feng turned his head to look at Lu Lin and Huang Xuan, "What do you think?"

Lu Lin smiled: "Although I still have a little spare strength, if I really want to enter the middle of the Thunder Fog Lake, I don't dare yet." ”

The dull roar that sounded from time to time in front of him made him feel a sense of panic, and he had a gut feeling that if he forced his way into that area, he would definitely die a terrible death.

"Lan Feng, you hurry up and teach us the Immortal Body Cultivation Dafa. Huang Yi said impatiently.

Seeing the expectant gaze cast by the three of Logar, Lan Feng smiled slightly, and immediately taught the modified version of the Immortal Body Cultivation Dafa to the three of them without reservation.

......

After patiently explaining the Immortal Body Cultivation Dafa, the four of Lan Feng directly cultivated in place.

Under the double improvement of the Thunder Fog Lake and the Immortal Body Cultivation Dafa, the physical strength of Lan Feng and the others began to increase at an even more astonishing speed, and Lan Feng, who was already close to the late seventh order, faintly touched the barrier of the late seventh order.

"It's still a little closer!" The higher the strength of the physical body, the more difficult it is to improve, Lan Feng obviously felt that his physical strength was only one step away from the late stage of the seventh order, but it was extremely difficult to take this step.

However, Logar and Lu Lin have improved their physical strength a lot.

......

Time passed quietly in everyone's focused cultivation, and I don't know how long it took, Lan Feng took the lead in stopping his cultivation, his brows furrowed slightly.

Not long after, Logar, Lu Lin, and Huang Jia also stopped, their faces showing a touch of doubt.

"Did you find out?" Logar frowned and said in a deep voice, "The effect seems to be weakening!"

Lan Feng looked at Logar in surprise: "You too?"

Lu Lin and Huang Yi nodded in unison, and the former said: "I obviously feel that as we continue to accept the enhancement of the Thunder Fog Lake, after the strength of the physical body increases, the mysterious power contained in the Thunder Fog Lake has become weaker and weaker on our physical strength. ”

"Compared to the beginning, our current cultivation speed has been weakened many times, almost the same as the effect of cultivating at the edge of the Thunder Fog Lake. Huang Yao's face was a little ugly, this result was something he never expected, "Maybe in another day or two, this effect will disappear completely." ”

Hearing the words of Lu Lin and the others, Lan Feng groaned, "I understand!"

"What?"

"Three days!" Lan Feng raised his head and looked at the three of Logar, "The time limit for the trial assessment is three days!"

Although there was no evidence, Lan Feng was sure that his guess would not be wrong: "Why is the time of the trial assessment set at three days? I think the reason is probably that the Thunder Fog Lake's physical enhancement effect on everyone can only last for three days!"

After three days, even if you continue to stay in the Thunder Mist Lake, you will no longer be able to enjoy that amazing flesh enhancement effect.

The three of Logar clenched their fists, a little unwilling, obviously, they also agreed with Lan Feng's guess in their hearts.

"Let's continue to cultivate. Lan Feng sighed, "The only thing we can do is to cherish the time now!"

Although the enhancement effect of Thunder Fog Lake had been weakened a lot, it was still much stronger than their usual cultivation effect after all.

The three of Logar reacted, and immediately devoted themselves to cultivation again, seizing every minute and second to increase their physical strength as much as possible.

......

In the blink of an eye, Lan Feng and the others had been in the Thunder Fog Lake for three days.

This time, Logar was the first to wake up from his cultivation, clenched his fist even stronger, and felt the power that was continuously transmitted from all over his body, Logar couldn't help but shout excitedly: "Drink!"

This loud roar woke up Lan Feng and the others.

However, no one blamed Logar, because at this time, they could no longer feel the strengthening effect of the Thunder Fog Lake.

"Sorry to wake you up. Logar restrained his emotions and scratched his head in embarrassment.

"Logar, what excites you so much?" Lu Lin shook his head with a smile and asked curiously.

"I've broken through!" a smile appeared on Logar's face, and there was a hint of excitement between his words, "Mid-Seventh Order!"

Lan Feng was a little surprised: "So fast?"

You must know that before entering the Thunder Mist Lake, Logar's physical strength was only in the early stage of the seventh order, and there was still a big gap between it and the middle of the seventh order, but in just three days, Logar's physical strength had broken through to the middle of the seventh order, which was really amazing.

Turning his head, Lan Feng asked Lu Lin and Huang Yao, "What about you?"

"It's still the middle of the seventh order. Lu Lin was a little regretful, but he was still very satisfied with his progress, "But I'm very satisfied, I'm sure, after leaving the Thunder Fog Lake, within half a year, my physical strength will definitely be able to break through to the late seventh order!"

Huang Jia is also full of harvest: "Me is the same, at most half a year, I will be able to break through!"

You must know that before this, their strength has not improved for a long time, and they are of course very satisfied with the cultivation effect this time, although they have a little regret for not being able to directly break through to the late stage of the seventh order, but this regret will not affect their good mood.

Lan Feng smiled: "It seems that everyone has improved a lot!"

"What about you, Lan Feng?" the three of Logar looked at Lan Feng curiously.

Hearing this, Lan Feng's face flashed with helplessness, and he said, "It should be regarded as reaching the limit of the middle stage of the seventh order." ”

Logar asked suspiciously, "Didn't you break through?"

"I tried, but it didn't work. Lan Feng shook his head, "I don't know when I will be able to break through, maybe a day, maybe a month, I think it should be soon." ”

In general, their trip to Thunderfog Lake was full of gains.

Logar's physical strength has broken through to the middle of the seventh order, and the physical strength of Lan Feng, Lu Lin and Huang Yu has also improved to varying degrees, especially Lan Feng, who may break through to the late seventh order at any time.

After a pause, Lan Feng said, "Three days have come, let's go out." ”

Their badges have changed from bronze to silver-white, proving that three days have passed.

"Alright, let's go. Logar nodded, the enhancement effect of the Thunder Mist Lake had completely disappeared, and they didn't have the slightest nostalgia for this place.

Several people did not hesitate, turned around and walked quickly in the direction of the outside world of Thunder Fog Lake.

Just as Lan Feng and his party walked out of dozens of feet, behind them, that is, in the middle of the Thunder Fog Lake, there was a breathtaking roar: "Roar!"

This loud roar suddenly caused Lan Feng and the others to stop and look back.

"Ho. The next moment, a suspiciously low voice sounded, and the fog in the center of the entire Thunder Fog Lake, like glass, shook lightly a few times.

After that, the roar vanished as if it had never been heard.

The entire center of the Thunder Fog Lake was calm again, and no sound could be heard except for the occasional dull thunder.

"What was that?" Logar looked in the direction of the center of the Thunder Fog Lake with some disbelief, but due to the obstruction of the fog, his vision was quite blurred, and he couldn't really see it.

Lu Lin hesitated for a moment, and said in a low voice: "I seem to see a figure ......"

"What's going on?" Huang Yi's brows furrowed deeply, and there was a hint of jealousy in his eyes, "Someone got in there?"

Lan Feng was silent for a moment, then took a deep breath and said, "No matter what happens, it has nothing to do with us. Alright, let's go. ”

He didn't know if there was really someone in the middle of the Thunder Fog Lake, and he wasn't interested in figuring it out, because he knew that curiosity sometimes kills people!

The purpose of their trip is just to pass the membership assessment, and the improvement of physical strength is already an unexpected gain, and there is no need to take any more risks and make any accidents.