After Xu Feng advanced to the innate human race, his cultivation speed increased by leaps and bounds, which was completely incomparable to before. Moreover, his comprehension also improved a lot. He could learn almost any technique once. The fifth level of the Green Lotus Heart Sutra was no problem for him, and his proficiency increased as quickly as possible. Compared with other cultivators of the same generation in the Green Lotus Sect, his cultivation speed was at least more than twice as fast.

Now, the Nephalem bloodline is something that Xu Feng is determined to obtain. If he cannot use the top-level bloodline of the Seven Demon Kings, then it is not impossible to use the guardian witch king in front of him who has high-level demon bloodline.

Hehehe~ The guardian witch king's laughter was eerie and low, and the entire underground palace was echoing with its laughter. It sounded as if there were countless demons hiding around.

“Fresh flesh and blood…” A greedy look appeared on the Guardian Witch King’s face, and he raised the gemstone staff in his hand. In an instant, dozens of netherworld fireballs the size of basketballs were released from the Guardian Demon King’s staff and fired in all directions at a 360-degree angle;

"Full-screen attack?" Xu Feng was stunned, and then a mocking look appeared on his face.

If this move was put in the game, it would be really difficult to deal with, but now, the place they were in was more than a hundred times larger than in the game. These slow fireballs were spaced far apart. Even if each fireball was as powerful as a nuclear bomb, what good would it do if it couldn't hit anyone? Xu Feng was not willing to confront these nether fireballs directly, but dodged them. With this speed of attack, not to mention Xu Feng, even Kane should be able to dodge it easily.

What was strange was that after being dodged by Xu Feng, these slow-moving netherworld fireballs flew straight back without hitting any buildings. Instead, they seemed to have reached their limit, floating quietly less than five meters away from Xu Feng.

The guardian witch king didn't seem to care whether the Netherworld Fireball attacked Xu Feng. He just held up his staff and let more Netherworld Fireballs be released from it.

Xu Feng dodged easily and didn't care, but what he didn't expect was that as waves of Netherworld Fireballs were continuously released, not only did the movement speed of the fireballs begin to increase, but the number of Netherworld Fireballs was also increasing. After a short while, they were already densely packed and filled the space around Xu Feng.

"I've been fooled!" By the time Xu Feng reacted, the number of Netherworld Fireballs around him had become large enough to threaten him. The next moment, Xu Feng quickly deployed the Secret Realm and used the purple lotus platform to resist the attacks of the surrounding Netherworld Fireballs.

Boom, boom, boom~ The Netherworld Fireballs that were originally moving in a straight line suddenly changed at this moment and began to fly towards Xu Feng, just like young swallows returning to their nests. Even the Netherworld Fireball guarding the Witch King behind him drew a large arc and flew towards Xu Feng.

The surrounding netherworld fireballs continued to explode. After a while, the devouring defense of the purple lotus platform could no longer withstand it. The thirty-six lotus leaves glowed faintly, and it was obvious that it had reached its limit. Helplessly, Xu Feng had to put away the purple lotus platform and let these netherworld fireballs smash fiercely into his secret realm.

"Damn it, if all these Netherworld fireballs explode in the secret realm, my secret realm will probably be destroyed!" Xu Feng narrowed his eyes, and a cold look appeared on his face.

The secret realm was destroyed. As long as Xu Feng was not dead, it would only take him a moment to recover. He would just need to stay still for a while and there would be no loss. But once the secret realm was destroyed, it would be like Xu Feng's last layer of defense was broken. It would be like being stripped naked and he could only use his body to resist the enemy's attack.

Dragon Tooth Shield! Seeing cracks beginning to appear on the surface of the crystal wall, Xu Feng took a deep breath and threw out the Dragon Tooth Shield to block in front of him;

Boom, boom, boom~ Countless flames exploded on the surface of the Dragon Tooth Shield, and the biting cold filled the entire underground castle. A layer of frost began to slowly appear on the walls and passages around the open space where Xu Feng was. The temperature suddenly dropped by more than 20 degrees, and it was still falling;

Roar~ A dragon roar sounded, and the Dragon Fang Shield suddenly burst into a dazzling light. A giant dragon shadow emerged, and it opened its big mouth and pounced towards the guardian witch king. The sky full of Netherworld fireballs were nothing in the eyes of the giant dragon. The giant dragon shadow seemed like an insubstantial phantom, passing through these Netherworld fireballs and rushing straight towards the guardian demon king in the distance.

The guardian wizard king Daman's face changed slightly. This seemingly phantom dragon made it feel a biting chill, as if a real dragon was pouncing towards it.

This time, the Guardian Witch King did not dare to be careless and put down the staff he had been holding high. At the same time, the continuous release of Netherworld Fireballs was immediately stopped at this moment; "Tapa!" The Guardian Demon King let out a low roar, grasped the staff with both hands, and stabbed it hard towards the ground!

Boom! At the moment when the staff pierced the ground, a loud noise sounded from under the staff. At the same time, a terrifying netherworld flame burst out from the end of the staff. The energy was overflowing, spreading in all directions like a biting cold wind, scraping off a layer of the ground. The dragon was not afraid of the biting netherworld cold air. It tilted its head back slightly, opened its big mouth, and spit forward. A ball of light containing the law of gold, with a long tail flame, smashed towards the guardian witch king like a meteor.

This attack was much more powerful than the Netherworld Fireball that the Guardian Witch King had released before. It seemed that the void could not withstand the power of this ball of light, and fine cracks like spider webs appeared.

Hehehe~ A gloomy laugh sounded again. This time it was not emitted by the Guardian Witch King, but the laughter from the netherworld flames that surged when the staff pierced the ground in front of it.

The next moment, a dry hand with only three fingers emerged from the Netherworld flames and reached out to grab the flying ball of light;

Swish~ The light ball exploded directly in the devil-like palm, turning into countless light arrows that shot in all directions. In an instant, a shrill scream sounded from the Nether Flame. A terrifying demon over three meters tall walked out of the Nether Flame. At this time, its right hand exploded, leaving only a short piece of bone residue. The terrifying demon who lost one arm did not look at the giant dragon phantom or Xu Feng at the moment of appearance, but turned his head to look at the Guardian Witch King! "Sacrifice!" The demon stretched out his other intact hand towards the Guardian Witch King. The next moment, the Guardian Witch King's aura seemed to be extracted by the demon. Countless gray Nether Auras poured out from the Guardian Witch King's body and rushed towards the demon's palm; "Ah!" The Guardian Witch King showed a painful look on his face, struggling desperately, begging for mercy in a low voice: "No, no..."

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However, the demon did not stop until its shattered arm was restored to full health by the protection of the Witch King's Netherworld Aura, and then it released its control over it.

The guardian witch king was seriously injured and collapsed on the ground like a puddle of mud, seeming to have lost his fighting ability in an instant, but his eyes were fixed on Xu Feng with a hint of viciousness in his eyes.

…