Just when Blood Thirteen was conspiring with the black-robed envoy and others in the ancient castle, Tang Feng, who was far away on the other side of the ocean, was taking advantage of the night to enter a secret room.

The secret room is in a remote corner to the west of the Hidden Dragon Clan, it looks inconspicuous and the area is not large, when he was still in the clan before, as long as there is no task, he spends most of his time in the secret room.

The walls of the secret room are thickened, and the sound insulation effect is very good, and after the heavy door is closed, there is no need to worry about someone coming to disturb you.

At this time, the night is thick, the cold winter season has not yet passed, and the cold air blowing down from the northern snow country has shrouded the earth in the howling wind.

After locking the door of the secret room, the room immediately became quiet, and after Tang Feng adjusted his breath slightly, his heart gradually calmed down.

His palm was slightly raised, and half of the Beast King Neidan had appeared in his palm.

The skin of Neidan is wrinkled and dry, and it looks like a walnut, and it seems that its essence has been restrained, and after a long time, the essence has been lost a lot.

But even so, Tang Feng also knew that the energy contained in this Inner Dan was also extremely terrifying, after all, it was the essence of a king's life.

It was precisely because of this that Lord Zulong specially asked him to only take half of it first.

Tang Feng didn't hesitate, he immediately sat down cross-legged, bit his steel teeth, and swallowed the half of the inner pill on his back, he didn't seem to feel anything at first, and it didn't seem to have any special taste.

However, just as Tang Feng was puzzled, Neidan entered his abdomen, and suddenly burst out with an earth-shattering bang, followed by energy like a monstrous flood, rolling into his eight veins of the Qi Sutra.

"Damn, in the end, I still underestimated the energy of this Inner Dan!" Tang Feng couldn't help but curse secretly, and even his face changed a little.

He didn't dare to hesitate, and immediately activated his qi induction, mobilized this majestic and vast energy, and rushed towards his second vein in a regular manner.

That is to say, Tang Feng's Eight Veins of the Strange Meridian have been transformed by the energy of the Golden Dragon Claw, and they have become far wider and tougher than ordinary people, otherwise, with the vast impact just now, his Eight Veins of the Strange Meridian may be broken immediately.

Although he was consciously mobilizing this energy, it was too majestic, and Tang Feng's whole person already had a feeling of being broken.

Even the meridians of a river, which seem to be showing signs of breaking.

"This energy is really massive, and it can't be mobilized at all, it seems that it is better to mobilize some of it first, and use it to break through the obstacles in the entrance!"

Tang Feng clenched his teeth, endured the severe pain, and immediately began to rush through the level.

If there were outsiders present at this moment, then you could see that Tang Feng's face had turned pale, and even his whole body trembled slightly, and beads of sweat the size of beans came out of his face one by one.

This kind of pain of forcibly rushing through the pass is by no means endurable by ordinary people, but Tang Feng is not an ordinary person, after more than ten years of baptism of blood and water, he is even stronger than steel.

Suddenly, there was a loud bang!

Under Tang Feng's conscious mobilization, the violent energy like a flood began to rush through the level for the first time, rushing towards the majestic and heavy vein.

The veins suddenly shook and shook, but they still didn't break.

"Come again!" Tang Feng gritted his teeth, and the majestic energy rushed forward again.

In succession, when this monstrous energy rushed towards the Xuanmen vein gate for the fourth time, a banging sound finally broke out, and the thick vein gate immediately shattered.

The ancient and mysterious textures carved on the veins immediately turned into spiritual fragments and rushed into his sea of consciousness.

Having had previous experiences, Tang Feng knew that these texture fragments should be some kind of powerful martial arts technique, but so far, he didn't have time to comprehend them at all.

After the second vein gate was broken, it was as if the embankment of a thousand miles had collapsed, and a part of the flood energy had finally been vented.

However, the remaining energy was still extremely majestic, Tang Feng gritted his teeth, simply didn't do anything, chose to rush through the level again, and immediately mobilized the remaining energy and rushed towards the entrance of the third vein gate.

The entrance vein is far away, and the road is arduous and long, but under the impact of this majestic energy, Tang Feng drove straight in, and soon reached the third entrance.

This vein gate entrance is undoubtedly also towering, and people standing below it seem to look at the Divine Heavenly Gate again, and they can't help but feel a sense of insignificance in their hearts.

Tang Feng immediately rushed to the level, and the energy like a flood immediately surged over, and the Xuanmen was incomparably firm, and it didn't move at all.

"Come again!" Tang Feng's face was fierce, although his face was already pale, his two eyes were still as resolute as ever.

Every time he hit, his body couldn't help but tremble once, and I have to say that this kind of high-intensity rush is a great drain on the mind.

Even later, Tang Feng's eyes had gradually become sharp and blurred, and his spirit had begun to slacken, and it seemed that he would not be able to hold on at any time.

"It should be soon, the entrance of the pulse gate has shaken, we must not give up halfway, we must succeed in rushing through!" Tang Feng was ruthless in his heart, and bit the tip of his tongue to re-stimulate his spirit.

So he immediately mobilized the remaining Inner Dan energy and rushed towards the vein gate, with a loud bang, this sturdy and eternal entrance finally showed signs of breaking.

However, it still didn't break through, Tang Feng fiercely suppressed the restless aura in his body, and once again mobilized all his energy to impact.

"This time, we must break through, this is the last chance!" Tang Feng clearly felt that his spirit was almost on the verge of collapse.

So this time consciousness tonight's last chance!

Fortunately, this last time, he finally succeeded, and when all the remaining energy rushed over like a raging tide, the third vein gate entrance finally shattered.

The intricate and mystical textures carved on it once again turned into countless spiritual fragments and poured into his mind.

However, at this moment, Tang Feng had no way to check it anymore, the breath in his body suddenly became agitated, and a mouthful of blood arrow spurted out of his mouth, and he had already suffered internal injuries.

At this moment, if there was a High Profound Open Vein Venerable present, seeing him like this, he would definitely jump up and scold, this guy must be a madman.

Tang Feng's move was indeed crazy, but he also knew that although he was crazy, he was by no means a blind fool, because at this time, he had already felt that the mysterious dragon claw hidden in his heart suddenly gushed out a golden energy light.

Wherever the golden light cluster went, the eight veins of the Qi Sutra, which were still injured, were immediately repaired one by one, and they were even tougher and wider than before.

After the third vein gate was broken, the Beast King's Inner Dan energy was finally exhausted, and the remaining small amount of energy could no longer set off much of a storm.

At the same time, Tang Feng's body was full of incomparably strong aura, which spread out instantly.