However, these gray-clad figures were quite terrifying. Particularly within the energy domain, there was a giant human figure over eight meters tall, who could confront a guard robot head-on, without falling behind in strength and reaction.

In addition, there were two gray-clad figures with dreadfully powerful life forces, wildly shooting out bolts of lightning from two hundred meters away. Each bolt was so fast that even high-tier martial artists at the extreme bone forging realm found it difficult to handle. More than a dozen bolts launched at once made even these super geniuses' scalps tingle.

With the two firing dozens of arrows together, whether it was Fan Sen or Lan Yu, they felt they couldn't withstand many waves before having to flee for their lives, or else face certain death.

The arrows shot by these two, although unable to harm the guard robot, forced it to block with dual swords, disrupting its original movements. It hardly had a chance to use martial skills, let alone use them to flee.

"Who are these people, they're so powerful, being able to entangle directly with such a formidable prisoner. Even those top ten elite teams probably aren't much better," Lan Yu exclaimed as he watched the gray-clad figures continuously delay the guard robot's steps.

The guard robot's strength was evident at a glance. It was definitely not a weak prisoner, and possibly one above the blood coagulation realm.

Being able to directly engage such a prisoner means there's a chance to capture it, especially with more and more gray-clad figures arriving. The chance in this case seems quite substantial.

Yet, capturing a prisoner is something that no force within the Four Domains has accomplished so far. This group of gray-clad figures having such a chance is simply unimaginable.

"The Black Obsidian Martial Arts Hall? How could it be them!" Fan Sen looked at those familiar outfits, his deep green eyes almost bulging out in disbelief.

"The Black Obsidian Martial Arts Hall?" Lan Yu, hearing the name, seemed to recall something and exclaimed in surprise, "Are they the same Black Obsidian Martial Arts Hall that previously wiped out Earth Star Pharmaceuticals?"

He remembered he had previously warned Fan Sen not to continue cooperating with the Black Obsidian Martial Arts Hall. After all, Earth Star Pharmaceuticals' wrath was not something ordinary super geniuses like them could withstand.

But he never imagined the Black Obsidian Martial Arts Hall would be this formidable, able to directly entangle such a strong prisoner. Their strength surpassed their team by an unknown margin.

"Yes, that's them," Fan Sen nodded, looking at the players at this moment, his eyes full of complicated emotions.

Originally, he had a chance to enter the lower-level area with the Black Obsidian Martial Arts Hall, but considering Earth Star Pharmaceuticals' anger, he had to give it up.

After all, no matter how strong the Black Obsidian Martial Arts Hall was, they would eventually be dealt with by Earth Star Pharmaceuticals.

However, seeing the strength the Black Obsidian Martial Arts Hall displayed now, he couldn't help feeling some regret.

If he could join with the Black Obsidian Martial Arts Hall to capture a prisoner and bring them back, offending Earth Star Pharmaceuticals wouldn't matter. He'd even be willing to confront Earth Star Pharmaceuticals head-on in the future.

"Brother Fan, don't be too upset." Lan Yu, seeing Fan Sen's complex expression, tried to comfort him, "Although not being able to cooperate with the Black Obsidian Martial Arts Hall is a pity, it's also unlikely they'll capture that prisoner. Since the fight has reached here, the prisoner entering the core region seems almost certain. Once the prisoner gets in, the Black Obsidian Martial Arts Hall won't have any chance. After all, there are many prisoners in the Cultivation Sanctuary, although they usually have some conflicts, they unite against outsiders like us."

"That's true," Fan Sen felt much better watching the prisoner getting closer to the core region.

Even if the Black Obsidian Martial Arts Hall continued delaying, they could indeed exhaust the prisoner's energy, but with less than two kilometers left, the prisoner would reach the sanctuary of the prison with certainty.

Once they entered the Cultivation Sanctuary, not even the Black Obsidian Martial Arts Hall or two thousand individuals from the lower zone could do anything against the prisoner inside.

As Fan Sen and Lan Yu spoke, a few guard robots also rushed out from the Cultivation Sanctuary, attracted by the commotion of the battle.

The arriving prisoners, seeing the besieged guard robot, couldn't help but smile.

"Sword Madman, I never thought you'd escape here one day. If those few find out, they'll probably laugh themselves to death. And you still pride yourself as one of the top ten inside the prison."

"As expected, the top ten is all talk. Now you're being hunted by ants from a lower civilization, you're lucky to be in the top hundred with this strength."

The prisoners who came rushed to mock the guard robot known as Sword Madman.

"Sword Madman" was a nickname given by these prisoners. After all, Sword Madman never disclosed his real name to anyone and always boasted as one of the top masters inside the prison.

Of course, before this, these imprisoned fellows had to admit that Sword Madman had his capital for arrogance, as he was genuinely above the blood coagulation realm, which was rare in the lower-level area of the prison.

After they transferred their spirit and will to the guard robots, Sword Madman acted independently, viewing collaboration with others as something only the weak would do.

He even rarely came to the Cultivation Sanctuary to replenish energy, often using other supply stations, yet today Sword Madman had come over voluntarily.

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