The craziest upgrade system

call! …………!

The sound of water flowing at extremely fast speeds echoed in my ears.

At this moment, Nie Yun was being dragged tightly by a huge suction force, and he was moving downwards rapidly along the depths of the spring.

When Nie Yun was almost exhausted, the pressure around him disappeared instantly.

Just when Nie Yun wanted to open his eyes and look around, he found that he was falling from a high altitude. He flapped his wings hurriedly, maintaining balance in mid-air.

His eyes scanned in all directions.

This is a huge underground space, but it is not dark. Among the surrounding stone walls, there are many unknown crystals emitting little bits of fluorescence, which Nie Yun can see clearly.

This space was a thousand meters high, and Nie Yun fell from the top. In the distance, there was an extremely strange and bloody palace.

Below Nie Yun, on the ground in front of the bloody palace, lay the corpse of an extremely huge, unknown monster.

"What the hell is this place?!!!"

Nie Yun suddenly became alert, and he kept looking around, especially the bloody palace and the huge corpse.

Nie Yun did not dare to land, so he found a relatively wide cliff protrusion on the surrounding stone walls. He barely stood on it and frowned: "According to the direction, I should still be within the scope of Shuangyue Lake, but it is deeper." of the ground.”

Nie Yun raised his eyes and looked at the passage that had just sucked him here, but was now slowly closing, and murmured: "But this is good, at least here, you can temporarily avoid the siege of the black water foxes, and The attack by those black-clad killers."

On the cliff, Nie Yun slowly swallowed the elixir, gradually recovering his spiritual power and his own injuries.

"This secret technique should have a time limit. After a while, when it expires, I should be able to use the 'Earth Escape Technique'. I will not go down until I can use the 'Earth Escape Technique' and am fully prepared."

Looking at the layer of green runes covering the outside of his body, which slowly began to fade over time, Nie Yun thought in his mind: "The secret method is indeed powerful and its effect is better than the same level of skills, but its shortcomings are also fatal. Once it is targeted by someone with ulterior motives, its effect will be greatly reduced, or even completely useless!"

"My trump card has been almost completely revealed by those enemies. It seems that I can't rely too much on the 'Earth Escape Technique' in the future. This kind of thing can happen once, who can guarantee that it won't happen a second time?"

If you want to survive in this world, sticking to the rules and not making progress is absolutely impossible!

If you are poor, you will want to change...

Being poor is changing.

If you are poor, you will want to change!

No matter in which world, arrogance is a dead end. There are people outside the world, there is a sky outside the sky, and the strongest among the strongest.

The only long-term solution is to recognize your own shortcomings, face your own unbearability, be brave enough to admit your mistakes, dare to correct them, and work hard to the extreme!

Another hour passed, and Nie Yun's injuries were completely healed, and the green runes on his body had completely dissipated.

'Earth escape technique'!

The next moment, Nie Yun's body merged into the earth and tried to escape outward. It went smoothly at first, but after going three to five meters deep, it became impossible to move forward. It was as if there was a transparent wall ahead that could not be crossed.

Nie Yun kept moving along the transparent wall until he had investigated the entire underground palace. He returned to the place where he was standing before and looked at the bloody palace in front of him with a faint look in his eyes:

"This blood-colored underground palace is covered by some kind of formation for a kilometer in radius. The spring connecting the Black Water Yin Fox's lair has been repaired by the formation. In other words, you can only enter but not exit."

Nie Yun stood on a high place, looking down at the underground palace in front of him, and murmured in his heart: "The level of such a huge formation is definitely not low. But my current strength is too weak, and I can't pass through the constraints of the formation... In this case, the only possible way out is this bloody palace."

The 'White Crane Wings' behind his back suddenly opened up, and with the flutter of the wings, Nie Yun was slowly lifted down from the cliff.

Nie Yun slowly landed on the ground in front of the Bloody Palace, but did not move rashly.

"Black Flame!"

Nie Yun suddenly waved his hand, and saw a giant black python that was sixty meters long and the size of a carriage suddenly appeared in front of him.

The black python stood up half its body, its head close to Nie Yun, and its huge bloody mouth seemed to be able to swallow Nie Yun alive at any time.

"Exploring the path."

Nie Yun reached out his hand and gently stroked the black python, with a calm expression on his face.

As soon as Nie Yun finished speaking, Hei Yan immediately twisted his huge python body and swam forward.

It was not until a quarter of an hour later that the traces of Hei Yan's huge body spread all over the underground palace, ensuring that there was no danger, that Nie Yun slowly breathed a sigh of relief.

But he still didn't take it lightly.

"There are many methods in this world that are designed to target humans but are ineffective against other creatures. For now, it cannot be fully guaranteed that this place is safe."

With that said, Nie Yun turned to look at Hei Yan, a fierce light flashed in his eyes, and shouted in a low voice: "Hei Yan, set this place on fire!"

"Yes!"

Hei Yan lowered his head and responded.

Spiritual power surged within the body, and black flames continued to gather in the mouth. As the temperature of the surrounding space suddenly increased, Black Flame's huge carriage-like mouth suddenly opened.

A black pillar of fire as big as a millstone suddenly spit out from Hei Yan's mouth.

The black fire pillar shot straight forward. The fire pillar spanned a distance of a thousand meters and shot directly to the other end before being blocked by the formation.

Then Hei Yan twisted his body, turned his head, and the fire pillar turned its direction accordingly. Under Nie Yun's deliberate guidance, it burned all the corners of the entire underground palace.

But there was still nothing happening around him.

The black fire pillar hit the formation and the bloody palace, but it was unable to create even a single ripple.

"What the hell is this place?"

Doubts arose in Nie Yun's heart, and he now came to the side of the huge corpse.

This corpse is hundreds of meters long and nearly ten meters wide, more than three to five times the size of Hei Yan's current size.

At first, Nie Yun was in mid-air, far away, so he only had a vague idea of ​​the corpse.

But now that he was getting closer and feeling the faint pressure coming from the corpse in front of him, Nie Yun's eyes became more solemn.

The owner of this corpse was absolutely extremely powerful during his lifetime!

Nie Yun slowly stretched out one hand and touched the corpse, and a cold feeling suddenly hit his heart.

【Ding! The corpse of the seventh-level monster "Blue Water Yin Python" was found]

"What? A seventh-level monster?!"

Nie Yun's pupils shook!

In the huge Qingyang Town, the strongest people are the ancestors of the major families, and all of them are strong in martial arts.

If the seventh-level monsters were divided according to the realm of humans, they would be one level higher than the Martial Lord!

Nie Yun slowly retracted his outstretched hand, looking at the huge blood-colored palace in the distance, and felt a turbulent wave in his heart:

"If this is the cave where a certain senior practiced, then this 'Blue Water Yin Python' is most likely the pet he conquered. Even a pet's cultivation level is as high as the seventh level, so the master of this palace is very powerful. How terrifying must it be?”