"What is this?"

Seeing this coffin nail, Qing Songzi inhaled deeply, his complexion changing.

The coffin nail in Lei Zhenzi's forehead was rusty and emanating a deathly aura, filled with evil power, and gave off a nefarious feeling.

"This is a coffin nail. It was buried with the coffin for many years, absorbing the spirit of the undead. After being pulled out by an evil ghost and modified with cursed blood power, it can nail a person's soul, extremely uncanny," Xiao Mu casually explained.

Upon hearing this, Qing Songzi's face changed again and he hurriedly checked the two other injured people.

These two injured people were exactly like Lei Zhenzi, each nailed through their eyebrows with a coffin nail, either left or right.

Lei Yunzi saw this and came forward, his eyebrows furrowed as he said, "Why didn't the evil ghost just kill Lei Zhenzi and the others directly? It seems like a waste to use this sinister object to nail their souls. Isn't it a needless act?"

In his view, being killed by a blood demon would be much more comfortable than having one's soul nailed down by a coffin nail.

In addition, he felt that compared to killing Lei Zhenzi and the others, it would be much more complex to use the coffin nail to nail their souls.

He could not figure out why the blood demon would want to do something superfluous.

Even Xiao Mu found the blood demon's behavior somewhat puzzling. After pondering for a while, he said, "Maybe the blood demon has some secret that Lei Zhenzi and the others saw, and they were afraid it would be exposed. So, they preferred to take the extra effort to nail their souls with the coffin nail, rather than kill them."

"Remember, unless you kill their Yin Soul along with them, as long as there is a Yin Soul left, even if they are killed, the Yin Soul can still be summoned back to reveal the blood demon's secret."

"I think, the situation must have been extremely critical at that time. Perhaps it was so critical that even if the blood demon could kill them, it wouldn't have had time to kill their Yin Souls at the same time. So they chose to take extra effort to nail their souls with the coffin nail."

Xiao Mu's speculation was very reasonable, causing Qing Songzi's expression to change once again.

What kind of secret does the blood demon have that it's afraid of leaking, causing them to go to such lengths to nail Lei Zhenzi and the others' souls?

After a pause, Qing Songzi asked, "Mr. Mu, is there a way to save Lei Zhenzi and the others?"

Xiao Mu replied, "There is indeed a way to save them. The reason why they can't wake up is because their souls have been nailed down by the coffin nails. If we can pull these nails out and release their souls, they should be able to wake up."

"But the thing about this coffin nail is..."

Qing Songzi seemed to forget something, his gaze sweeping over the coffin nail in Lei Zhenzi and the others' foreheads.

Anticipating Qing Songzi's question, Xiao Mu shook his head and said, "Unless your power surpasses the blood demon who embedded the nails, they would be very difficult to remove."

"The blood demon placed a massive amount of curse blood power on this coffin nail. If you attempt to remove the nail rashly, you will certainly be met with a backlash from the curse blood power."

"Unless your power surpasses the blood demon who embedded the nail, and you can resist the backlash of the cursed blood power, anyone struck by the rebound of the cursed blood power would be severely injured, if not killed."

"Besides, since the blood demon dared to use the coffin nails to nail their souls, it must be quite confident in its power and would not fear your attempts to remove the nails."

"Therefore, I suspect that this particular blood demon is at least a red blood demon, possibly even a purple blood demon. Otherwise, it wouldn't be able to have such confidence."

"A red blood demon? Purple blood demon?"

Upon hearing this, Qing Songzi's expression turned grave.

Regardless of whether it was a red or purple blood demon, the power of either was incredibly formidable, at least it was beyond their present capabilities.

Furrowing his brow, he muttered to himself, "Does this mean I need to ask for help from the headquarters? Or should we wait for that senior to come and then try to rescue them? But... we don't have enough time."

"Mr. Qing Songzi, Mr. Mu, I have reached the late stage of the Mid Bone Forger Realm. Although my power may not be on par with the red blood demon, the gap is not that significant. How about you let me try?"

Seeing Qing Songzi's vexed expression and sensing the severity of the situation, Lei Yunzi couldn't help but stand up and volunteer himself.

"Mr. Mu, what do you think? Lei Yunzi, can he do it?"

Qing Songzi was indecisive, looking towards Xiao Mu.

Xiao Mu glanced at Lei Yunzi, the Blood Demon that Lei Zhenzi nailed with a coffin nail, he suspected over ninety percent likelihood that it should be a red Blood Demon, the probability of it being a dark purple Blood Demon was not high.

If it was a red Blood Demon, a late-stage martial artist at the mid Bone Forger Realm, as long as their cultivated Inner Energy is high-end enough, they could still give it a shot.

After all, a martial artist at this level, even when compared to a red Blood Demon, the difference in power is only marginal.

The late stage of the mid Bone Forger Realm, which is also the late stage of the Mid Third Realm, is not far from the Late Third Realm. Perhaps they could soon break through and reach a level comparable to that of a red Blood Demon.

At present, Xiao Mu's realm is almost at this stage, perhaps even a bit higher.

After looking at Lei Yunzi, Xiao Mu suddenly asked, "Mr. Lei Yunzi, is your cultivation based on the Thunder Attribute Inner Power Method?"

Lei Yunzi praised, "Mr. Mu has a good eye. Like Lei Zhenzi, I too cultivate using the top-grade Thunder Attribute Inner Power Method."

Xiao Mu just acknowledged it with a sound, his face calm, but he couldn't quite suppress his surprise.

The Thunder Attribute Inner Power Method is quite rare among all Inner Power Methods. Coupled with its ability to specifically counteract evil absurdities, it has become a highly sought-after commodity, causing its value to surge repeatedly.

Thinking that till now, Wang Tong hasn't even managed to get a common Thunder Attribute Inner Power Method, and the one Lei Jiang cultivates is just an ordinary Thunder Attribute Inner Power Method, you can grasp how difficult this Inner Power Method is to obtain.

As for the top-grade Thunder Attribute Inner Power Method, among all the martial artists Xiao Mu knew, only King Qingshan had cultivated it.

Therefore, upon hearing Lei Yunzi say that he and Lei Zhenzi were cultivating the top-grade Thunder Attribute Inner Power Method, Xiao Mu couldn't help but be surprised.

However, considering the other party belongs to the Human World's Offensive and Defensive Alliance, and was originally part of the relevant department, Xiao Mu understood.

The relevant department, after all, controls a huge wealth of resources, unlike any ordinary private organization.

He then said, "He can give it a try, but he needs to be careful and ensure protection."

"Rest assured, Mr. Mu, I know my limits."

Lei Yunzi replied, then solemnly walked towards Lei Zhenzi.

Within a few steps, Lei Yunzi had raised his Thunder Attribute Inner Power to its pinnacle, protecting his entire body, especially his chest, face, throat, and other vital parts facing Lei Zhenzi.

As the Thunder Attribute Inner Power Method ran, Lei Yunzi's body, from top to bottom, seemed surrounded by flowing lightning, faintly releasing a dazzling brilliance. It was incredibly startling.

"Hei!"

Despite this, Lei Yunzi still dared not relax at all, concentrating a pure Thunder Attribute Inner Power throughout his body, faintly forming a lightning shield, before carefully extending his hand to pull out the coffin nail between Lei Zhenzi's eyes.

"Whooo!"

Inside Lei Zhenzi, the Curse Blood Power seemed to come to life at the first sign of being touched, making a strange noise.

A curse-filled bloodline suddenly shot out from Lei Zhenzi's body, unsuspectingly striking at Lei Yunzi.

Bang!

The bloodline hit Lei Yunzi's chest, completely breaking the lightning shield he had set up around his body on the spot, and then hit Lei Yunzi's chest.

Thud!

Experiencing a sharp pain in his chest, Lei Yunzi suddenly spat out a mouthful of fresh blood.

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