The soul of the Blood Crying Mang is indeed powerful, but after Kui Guang's constant devouring and exhaustion, it has become fragile before Chu Nan.

Chu Nan's soul had long since reached Extraordinary Middle Grade and was advancing towards Extraordinary Upper Grade.

Moreover, he practiced the Earth Tier Soul Secret Technique, Celestial Soul Crossing, under the intimidation of Soul Devourer, no matter how the Blood Crying Mang struggled, it was of no avail.

Chu Nan's Sea of Consciousness was like a huge vortex, forcibly devouring and absorbing the shattered soul of the Blood Crying Mang.

The Sea of Consciousness expanded at an astonishing speed, with momentum comparable to devouring the Zhou Family's Soul Flame.

As the soul grew stronger, Chu Nan also acquired some fragmented memories of the Blood Crying Mang.

He also learned why it was trapped and the truth behind why the Black and White Sword Saint's sword appeared here.

After reading these memories, even Chu Nan couldn't help but show a hint of surprise.

"The Blood Crying Mang is actually related to the Endless Sky Sword Sect?"

The Endless Sky Sword Sect was an ancient force of great power before the division of the two realms, even now possessing terrifying power to shake the Celestial Crossing Realm.

Lu Yao, the powerful spirit corpses awakening on the Mountain of Ten Thousand Corpses, they were all unfathomable existences.

And that was just the tip of the iceberg of the full strength of the Endless Sky Sword Sect.

Even if Chu Nan breaks through to the Cloud Sea Realm, he can only look up.

And this Blood Crying Mang is actually from the Endless Sky Sword Sect, though it was invincible in the Heaven-Shaking Secret Realm, it was nothing more than a somewhat novel Cloud Sea Realm pet in the Endless Sky Sword Sect.

Its strength was only slightly better than the servants and ordinary disciples of the Endless Sky Sword Sect.

The Blood Crying Mang came to the Celestial Crossing Realm also due to the First Senior Brother of the Sword Sect wreaking havoc in the Endless Sky Sword Sect, splitting the two realms with a single sword.

The First Senior Brother of the Endless Sky Sword Sect traversed the lower realm, and Lu Yao and other martial artists fled to the current range of the Celestial Crossing Realm. During this process, the Blood Crying Mang got separated from Lu Yao and the others, becoming a wild demon beast.

Afterward, with the division of the two realms, unable to return, the Blood Crying Mang roamed and hid everywhere to increase its strength.

Hundreds of years later, it reached the ninth level of the Cloud Sea Realm, yet found itself unable to break through to the Guiyuan Realm, hence shifted to practicing the Nine Heavens Secret Technique.

This technique, although scarce in the Celestial Crossing Realm, was nothing to speak of for the Endless Sky Sword Sect.

The Blood Crying Mang practiced all the way to the peak of the eighth level of the Cloud Sea Realm, only to be captured by a mysterious force.

Chu Nan learned through these memories that this force called itself the Ancestor Sect, specializing in researching Ancestral Bloodline, and the Blood Crying Mang, once captured, naturally became their research subject.

Thus, the Blood-sucking Tree was planted on the Blood Crying Mang, the purpose being to gradually purify its Ancestral Bloodline from inside it.

Around the Blood Crying Mang, the Ancestor Sect established the Heaven-Shaking Secret Realm, but shortly after it was built, the group mysteriously disappeared.

The Blood-sucking Tree absorbed enough blood essence, condensed into mature Demon Blood Fruit, but without anyone to harvest it, couldn't continue absorbing, thus forming a stalemate with the Blood Crying Mang.

This was one of the reasons why the Blood Crying Mang could maintain its formidable strength.

After an unknown period passed, the Blood Crying Mang, eager to escape, lured the not yet famous Black and White Sword Saint into the Heaven-Shaking Secret Realm.

Combining its own Ancestral Bloodline, it taught him the Cultivation Techniques and Martial Skills of the Endless Sky Sword Sect, hoping the Black and White Sword Saint would have the cultivation success to cut down the Blood-sucking Tree and help it escape.

The Black and White Sword Saint lived up to its expectations, becoming one of the foremost strongmen in the Celestial Crossing Realm, having the power to cut down the Blood-sucking Tree.

But the Black and White Sword Saint thought helping such a powerful demon beast as the Blood Crying Mang escape might wreak havoc on the Celestial Crossing Realm, thus regretted halfway after cutting it.

The Blood Crying Mang harbored a grudge, employing the methods left in the Black and White Sword Saint's body from earlier years to severely wound him.

The Black and White Sword Saint had no choice but to leave the Black and White Guiyuan Sword behind to save his life and left the Heaven-Shaking Secret Realm.

Meanwhile, the Blood Crying Mang, due to the Black and White Sword Saint's betrayal, plus the Zhi family later harvesting the Demon Blood Fruit, causing the Blood-sucking Tree to continuously absorb its power, thus completely losing the ability to escape.

It wasn't until Chu Nan, compelled to use the Black and White Guiyuan Sword to cut down the Blood-sucking Tree, that it found the opportunity to break free.

Yet just less than a day after escaping, it was killed by the combined forces of Chu Nan and Kui Guang, with soul and spirit both annihilated!

In the blink of an eye, the entire soul of the Blood Crying Mang was completely devoured by Chu Nan, and he slowly opened his eyes, showing an expression of excitement on his face.

"Great, my soul has already reached the mid-stage perfection of Extraordinary. With another similar opportunity, I might advance to Extraordinary Upper Grade!"

Generally, only martial artists in the Guiyuan Realm would have an Extraordinary Upper Grade soul. Should Chu Nan successfully advance, he would no longer fear any soul attacks in the Celestial Crossing Realm.

"Chu Nan, how is it?" At this moment, Kui Guang flew over to inquire.

Chu Nan, seeing Kui Guang, had a flicker of surprise and apprehension in his eyes.

Having devoured the Blood Crying Mang's soul, Kui Guang looked even more solid, standing there indistinguishable from ordinary people.

Such formidable strength made Chu Nan both admiring and wary.

After all, Kui Guang resided within Chu Nan's soul; if Kui Guang desired to seize his body, Chu Nan didn't feel confident in resisting.

"Devouring the remnants of the Blood Crying Mang's soul, my soul has grown significantly; this gain is immense!" Chu Nan said somewhat excitedly.

Kui Guang nodded affirmatively, nourishing himself in Chu Nan's Sea of Consciousness, the stronger Chu Nan became, the more beneficial for him.

"Very good, in that case, quickly go and devour the Blood Crying Mang's corpse."

"Its Ancestral Bloodline hasn't lost much, the body is almost intact. You could obtain tremendous benefits by devouring it!"

Kui Guang's tone was also somewhat excited as he spoke.

Seeing the Blood Crying Mang's corpse not far away, Chu Nan recalled that the reason he came to the Heaven-Shaking Secret Realm was precisely for this rich Ancestral Bloodline.

But when everything was within reach, Chu Nan hesitated and said, "Sword Venerable Master, I have something to ask you."

"What is it?" Kui Guang's tone was as calm as an ancient well, he replied indifferently.

Chu Nan recalled a segment of the Blood Crying Mang's memories, then said, "Sword Venerable Master, this Blood Crying Mang is from the Endless Sky Sword Sect, and I learned from its memories your battle with it."

"It seems...it recognizes you."

Kui Guang's identity always sparked Chu Nan's immense curiosity, for someone so powerful yet leaving no trace was truly baffling.

Now that the opportunity to uncover the secret was at hand, Chu Nan couldn't let it slip by.

Thus, Chu Nan seized the moment and pursued, "Sword Venerable Master, when I was with the Spirit Corpse Sect, you seemed like you had disappeared, hiding from something."

"In addition to the Blood Crying Mang's memories, I boldly speculate, might you be from the Endless Sky Sword Sect?"

...

Silence, a long silence, Chu Nan stopped speaking after asking, and anxiously watched Kui Guang.

Kuin Guang said nothing either, the black mist veiling his face, making his expression unreadable.

For a short while, it seemed as if time stood still in the entire Heaven-Shaking Secret Realm, any rustling of leaves seemed like thundering roars.

Eventually, Kui Guang sighed and said, "Chu Nan, this one has deceived you before."

"This one is not as ancient as claimed, and indeed comes from the Endless Sky Sword Sect."

"As for this one's identity, I presume you have some guess; today I'll tell you, as a token of our first true heart-to-heart."

"I am the First Senior Brother, Saint Son, of the Endless Sky Sword Sect, the greatest genius across ages."

"Also referred to by Lu Yao as the Thief of the Dao, the culprit of the Endless Sky Sword Sect's downfall, and the perpetrator who split the two realms."

"""

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