In my senses, it was a huge spot of light.

The dense, light-point energy aura was powerful and concentrated, far beyond the 'Black Mist Crystal' that had just sensed it.

Wow~!

Lin Feng's body teleported, and suddenly-

Suddenly the eyes are bright.

It was a small valley, and a huge whirlpool swirled up, very similar to the whirlpool on the right side of the stalactite cave. A thick black mist rose up, and in that huge black curtain, tens of thousands of 'black mist crystals' were silently suspended.

"Silk~~" Lin Feng gasped, his eyes brightened.

"My God, this is ......" Lin Feng looked at one of the black fog crystals, pure black, without half impurities, it looked like a crystal that was pitch black to the extreme. It seems ordinary, but the energy and breath contained in it are shocking to my heart.

In my mind, a term suddenly popped up -

Black Mist Crystal Heart!

"Black fog crystal core, four-grade crystal, also known as '10,000-year black fog crystal'. It is made of black fog crystal after more than 10,000 years of quenching and evolution, condensing volume, essence energy, extremely precious. Lin Feng lightly read out the description of the black mist crystal heart in the "Ore Illustrated Book", and his heart was beating unexpectedly.

The black mist crystal heart is quite pure!

"If I absorb the energy of the 'Black Mist Crystal Heart', even if the efficiency is not as good as that of Neidan, it will not be too far behind. Lin Feng's eyes suddenly lit up.

The most important thing is that there are quite a lot of 'Black Mist Crystal Hearts' in front of you!

That's one in ten!

"Haha, it didn't take much effort to get there. Lin Feng said with a smile, the purple ring in his hand flickered, and suddenly, like a thief came, whether it was the 'Black Mist Crystal' or the 'Black Mist Crystal Heart', Lin Feng took it all in his pocket, and did not leave half of it.

It's also a shame that the 'Jiong Zi Ring' is a three-star spiritual treasure, and the energy is enough, otherwise it really can't fit it.

"This time it was the right one. Lin Feng smiled with satisfaction.

Originally, the biggest purpose of entering the depths of the Black Mist Demon Dragon Valley was to 'evade' the pursuit of the Black Mist Demon Dragon army, but right now-

But it's a bonus!

"Pretty good. Lin Feng's eyes were blazing.

I have just entered less than half an hour, and I have gained such a harvest, which shows that the 'wealth' here is obviously far more than that. In other places, there will inevitably be more 'Black Mist Crystals', 'Black Mist Crystal Hearts', and even ......

"There will be other gains, but not necessarily. Lin Feng smiled indifferently.

The purple ring in his hand flickered, and in a short period of time, it would sweep away this small valley.

Only the pitch-black mist remained, but there was no 'black fog crystal', and it was empty.

Looking at his 'masterpiece', Lin Feng smiled.

The eyes flickered, and in an instant, they disappeared.

...

The dragon's lair has entered a 'thief'.

A rather 'tasteless' thief because... He steals everything.

But right now, almost all the Black Mist Demon Dragons went out on a mission to hunt down Lin Feng.

In the nest, it became empty.

"Hey, another valley of black fog crystals. Lin Feng smiled quietly.

In the heart-eye sense, this is already the third 'Black Mist Crystal Valley' that he has found, and in every valley where there is a whirlpool, in addition to the Black Mist Crystal, there must be-

The existence of the 'Black Mist Crystal Heart'.

"The more the merrier. Lin Feng was about to break in.

His eyes lit up, and in this induction, in addition to the strong energy breath, there was actually ......

Breath of Life!

"Oh, it's the Black Mist Demon Dragon?" Lin Feng drew the corners of his mouth slightly.

Hidden in the body, Lin Feng stepped in step by step, although the fog was too thick to see, but the induction of the heart and eye would not be wrong.

"It should be a fourth-order black mist demon dragon. Lin Feng's heart was calm.

For himself, hunting the fourth-order Black Mist Demon Dragon was not a task at all.

But......

"There's no need. Lin Feng shook his head.

Instead of risking the risk of his identity being exposed, to hunt a fourth-order black fog demon dragon, it would be better for An An to 'pick up' the black fog spar.

At the very least, in the current situation that the black fog crystal is still so 'abundant', there is no need to cause more trouble. ...,

"It seems that here, the Black Mist Demon Dragon has no defense. Lin Feng's eyes were blazing.

Compared to the hordes of Black Mist Demon Dragons in the outside world, the Black Mist Demon Dragons here obviously lack 'crisis awareness'.

Completely defenseless against yourself.

Lin Feng didn't know that the reason why the Black Mist Demon Dragon here was so 'calm' was because there was the patriarch of the Black Mist Demon Dragon clan living here-

Tooth refining.

A super existence in the third realm of transformation!

...

Wandering around, casually 'picking up' on the periphery for half an hour.

When he came back, the fourth-order black mist demon dragon was no longer there, and a faint smile crossed the corner of Lin Feng's mouth.

It's like a thief who finally waits for his master to leave.

"Whoosh!" Lin Feng galloped in.

Sure enough, just as the eye sensed, the whirlpool in front of him followed like a shadow, and a huge black mist flashed. Accompanied by tens of thousands of 'Black Mist Crystals', as well as thousands of 'Black Mist Crystal Hearts', an astonishing aura of energy was formed.

"You're welcome. Lin Feng said with a smile.

The purple ring flickered, and suddenly the light was dazzling.

One after another 'Black Mist Crystals' fell into his pocket, and Lin Feng was extremely satisfied.

Time passes minute by minute.

The huge black curtain disappeared in the blink of an eye, and when he took out the 'Black Mist Crystal Heart', Lin Feng smiled at the 'Black Mist Crystal' again.

Anyway... Whether it's useful or not, take it first and then talk about it.

Accumulation adds up, just like cultivation.

Suddenly—

"Huh?" Lin Feng's face changed.

In the heart-eye sense, the familiar breath of life appeared again, and it was rapidly approaching.

It's still the fourth-order Black Mist Demon Dragon!

"It's back again?" Lin Feng frowned slightly, snorted lightly, and his figure immediately moved slightly to the side. It's as if a thief is halfway through his work and happens to bump into his master's return.

The fourth-order black mist demon dragon came in the blink of an eye.

The figure landed, and the Black Mist Demon Dragon lay beside the whirlpool, squinting.

It was the enjoyment of bathing in the thick black fog, and suddenly the black fog demon dragon opened his eyes violently, and his complexion changed.

Look left and right!

In an instant, roaring with rage!

"Oops, found out. Lin Feng's brows tightened.

But it's no wonder that it is difficult for him to steal most of his belongings in his 'home' without being discovered.

The roar continued, filled with a bit of extreme anger, and Lin Feng instantly frowned.

If this black fog demon dragon is allowed to scream, it won't take long for the rest of the black fog demon dragon to find out, and with the wisdom of the black fog demon dragon, he will inevitably expose his identity target, and then things will slowly get bigger.

"If that's the case, you're out of luck. Lin Feng's eyes instantly blazed, revealing a touch of awe-inspiring killing intent.

Kill the dragon and destroy the mouth!

A brilliant golden light appeared!

In an instant, a violent aura spread, and Lin Feng's figure appeared like lightning. The black aura of the 'Dragon Slaying Spear' in his hand condensed a red glow, with a fierce 'black mist' soaring, like a meteor impact, and the five-clawed golden dragon roared.

"Golden Dragon Gang Qi!" Lin Feng is murderous!

The Black Mist Demon Dragon's complexion suddenly changed greatly, and an extreme coercion suppressed it, and its body trembled inexplicably.

That's the breath of a true top-tier dragon!

It's not like Lian Ryu, which has the strength of 'transformation'.

As a fourth-order Black Mist Demon Dragon, in the clan, it was only the middle and lower level of the pyramid......

"Roar~~" The voice was a little weak, and the black mist condensed outside the body was completely suppressed by Lin Feng.

And at this time, Lin Feng's attack came with a bang!

"Unstoppable!" Lin Feng's eyes were bright, and the dragon killing spear was red and roaring!

In the blessing of the black mist, Lin Feng's speed further strengthened, turning into a violent streamer. The virtual image of the five-clawed golden dragon devoured wildly, piercing like lightning in the clouds, as fast as a gale, and the figures and spear shadows condensed into an extremely strong point of light, full of astonishing explosive power.

Man and gun in one!

Rumble!!

"Roar~!" a terrible roar sounded, and the sky was covered with vines.

But in an instant, the voice was weak, and it stopped suddenly, and a terrifying blood hole appeared in the chest of the Black Mist Demon Dragon, and the dragon killing spear frantically devoured the blood of the Black Mist Demon Dragon, Lin Feng was faintly suspended in the air, and his eyes were extremely shiny. ...,

"The attack power of the Dragon Slayer Spear has more than doubled!" Lin Feng was shocked.

At the moment of piercing, the red light that permeated the black spear's body erupted terrifyingly, indestructible!

"Sure enough, it's a step up. Lin Feng's eyes showed a hint of surprise.

The stronger the Dragon Slayer Lance, the stronger your attack power will be!

Instantaneous—

The huge black mist demon dragon's blood was sucked up, and the dragon-killing spear vibrated slightly, emitting a joyful aura. Lin Feng smiled indifferently, and the scabbard of the spear was about to be put into the dragon killing spear, and in the sense of the earth's heart, there were several strong breaths of life coming quickly not far away.

In the sky, the dragon's roar came and went, with a sense of anger.

"It's good to come. Lin Feng's eyes were cold and awe-inspiring.

Now that it's exposed, it's a little more thorough!

A few black fog demon dragons, what are they for themselves?

Come one, kill one!

Come on two ends, kill a pair!!

Come twelve, then kill a dozen!!

Lin Feng's eyes were shining, and the dragon killing spear exuded a vibration of excitement, as if he felt Lin Feng's battle intent.

In an instant, the red light is diffuse!

War!!!

...

Half a stick after the time.

Lin Feng was suspended in the air, and the blood of the dragon-killing spear in his hand was hideous.

One fifth-order inner pill, three fourth-order inner pills, and six third-order inner pills.

Harvest, pretty good.

There were ten more dragon corpses in the Jiong Zi Ring, and Lin Feng smiled indifferently, without too many mood swings. Now it's not what it used to be, since the hunt for the first Black Mist Demon Dragon, his mentality has changed, and now, hunting ten Black Mist Demon Dragons is just a matter of moving his fingers.

It's so easy!

"It's still exposed. Lin Feng smiled helplessly.

"However, according to the usual practice, it will take five or six hours for the Black Mist Demon Dragon to find me for sure. ”

"Plus it's not close to here from the periphery, so I still have plenty of time!"

The corners of Lin Feng's mouth drew an arc, and he knew it in his heart.

Hunt, go on!

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