Luo Xiu looked at Luo Ying with a puzzled expression. "What is the Spirit Rainbow Principle?"

After a moment of contemplation, Luo Ying said, "To put it simply, we use the Aura of the Dead from these Ancient God Ruins to draw out the Aura of the Dead from the Land of Lawlessness."

"Because the concentrations of the Aura of the Dead are different in the two spaces, one can, under artificial guidance, use the denser side to absorb the relatively weaker side. This is the Spirit Rainbow Principle."

Hearing this, Luo Xiu glanced at Kuang Pi.

Kuang Pi sat on the deck, shrugged his massive shoulders, and spread his bear paws. "Don't look at me, I didn't understand a single word. It's clear your wife is a real scholar."

Luo Ying let out a soft sigh.

Luo Xiu scratched his head. "Then let's give Ying'er's method a try. I don't quite get it either, but it must be based on some principle of physics."

Just then, the Thunderbolt Divine Boat began to shake violently.

Kuang Pi's face turned pale with shock as he instantly sensed a terrifying presence approaching.

"Not good, there's something in the water!"

Luo Xiu didn't hesitate, quickly piloting the Thunderbolt Divine Boat skyward at maximum speed. He leaned over the railing to look down, only to see the sea surface where they had just been was collapsing inward. A huge, dark shadow loomed beneath the water, emitting a mysterious and terrifying aura.

For a moment, the very air between heaven and earth seemed to freeze, sending a chill down their spines.

Luo Xiu asked, "There are living creatures in this Acid Sea?"

Kuang Pi said, "According to some speculative calculations by scholars from the Upper Realm, these Ancient God Ruins have existed since the Cambrian period, over five hundred million years ago. It's perfectly normal for powerful creatures to have evolved over such a long time."

By now, under Luo Xiu's control, the Thunderbolt Divine Boat had ascended in a straight line to an altitude of over a thousand meters. However, what made their scalps tingle was that the black shadow underwater didn't get smaller as they gained distance—on the contrary, it was getting bigger and bigger!

BOOM!

A deafening explosion erupted from below. The water's surface instantly exploded into waves hundreds of meters high. A giant black mouth burst out of the water. It looked like a mobile, inky abyss, and it carried a terrifying might as it shot straight toward the Thunderbolt Divine Boat.

"What the hell is that thing?" Luo Xiu cursed, hastily steering the Thunderbolt Divine Boat sideways.

As the angle changed, he finally got a clear look at it.

It was a Giant Kun.

The Giant Kun was nearly a thousand meters long, like a freely moving island. Its sheer visual impact made one feel utterly insignificant. The creature's back was covered in sword-like spikes, and its body featured many patterns that emitted a golden light, giving it an evil yet sacred aura.

"This is an Ancient Demon Ancestor Kun!" Kuang Pi said, looking gravely at Luo Xiu. "Judging by the golden patterns on its body, it must have reached the Ninth Level Peak. It's about to enter the Tenth Level and become a Great Demon. After that, it will spread its wings, transform into a Peng, and become invincible!"

Luo Xiu asked, "So what level Demon Beast are you?"

"I'm at the Ninth Level, equivalent to an Earth Immortal among human Cultivators." Kuang Pi's tone was heavy. "Xiao Luo, let me be straight with you, I'm no match for this Ancient Demon Ancestor Kun. Being targeted by this creature will be a huge problem. You and Ying'er need to run!"

"It must have sensed my aura and wants to devour me to achieve its transformation into a Great Demon. I'll lead it away!"

Hearing this, Luo Xiu looked deeply at Kuang Pi. This big brother of mine... he's truly righteous. Nothing more needs to be said.

"A bunch of little thieves! Since you've trespassed into my territory, you might as well leave your lives behind!" a deep and ethereal voice suddenly echoed from the void.

It was the voice of the Ancient Demon Ancestor Kun.

Kuang Pi let out a furious roar as his body instantly erupted with lightning. He leaped from the Thunderbolt Divine Boat and, with unstoppable momentum, shot down toward the Ancient Demon Ancestor Kun, which was opening its massive maw to swallow them.

"You want my life? Let's see if yours is tough enough to take it!" he bellowed. "Wild Thunder… God Annihilating Halberd!"

"Heh, parlor tricks!"

...

「On the deck.」

Luo Ying glanced at Luo Xiu. "Young Master, you mustn't use your Cultivation. I will go help Brother Xiong."

Luo Xiu nodded. Unless it was absolutely necessary, he really couldn't use his Cultivation, or his illness would flare up.

Luo Ying flew off and quickly joined Kuang Pi, and together they confronted the Ancient Demon Ancestor Kun.

However, the power of a Ninth Level Peak Demon Beast was far superior to that of Kuang Pi and Luo Ying. Moreover, the Kun Tribe was innately powerful, and this was the Ancient Demon Ancestor Kun's home turf.

As the fierce battle unfolded, the sea's surface was instantly thrown into turmoil with gusty winds and chaotic Spirit Lights. After an intense exchange, both Luo Ying and Kuang Pi were injured and had to retreat back to the Thunderbolt Divine Boat.

Luo Xiu shook his head and said, "I'll take it from here."

"Xiao Luo, you…"

"Brother Xiong, get some rest. I'll handle it," Luo Xiu interrupted. He reached out and took the sword, which had been transformed from the Dragon Drill, from Luo Ying's hand. He then stepped onto the railing, looking down from above at the approaching Ancient Demon Ancestor Kun.

Ever since Luo Ying had lifted the Blood Ban Technique, Luo Xiu had regained that peculiar feeling—that everything he looked at was light and airy. Even facing this terrifying Ninth Level Peak Giant Kun, he still felt it was light, so light it seemed it would shatter with a single blow.

Luo Xiu said with a faint smile, "If you hadn't come looking for trouble, you might have successfully transformed into a Peng after a few more hundred years of Cultivation. But sometimes, fate plays tricks. A single wrong decision can cost you everything."

At these words, the Ancient Demon Ancestor Kun came to an abrupt halt in the void and scoffed, "Trouble? Who do you think you are? You're not even qualified to be devoured by this revered one!"

Luo Xiu gave a placid smile. "You of the Kun Tribe... I suppose the most powerful thing about you is your mouth, right?"

Seeing that Luo Xiu was really about to fight the Ancient Demon Ancestor Kun, Kuang Pi grew frantic. "Xiao Luo, get back! You're no match for it!"

Luo Xiu, however, acted as if he hadn't heard Kuang Pi. He slowly raised the sword and, with a casual motion, swung it down.

"One Sword All Creation."

The Sword Light tore through the air like a heavenly rainbow.

After that single slash, Luo Xiu didn't even bother to look back. He elegantly turned, jumped off the railing, and tossed the sword back to Luo Ying.

Luo Ying's beautiful eyes trembled, her cheeks flushed red. Her gaze, filled with such adoration it seemed about to overflow, was fixed on Luo Xiu. The Azure Emperor is truly the Azure Emperor. Even though his current power is far from what it was in his prime, he's still unrivaled in the world!

"AH—!"

A bloodcurdling scream suddenly erupted from below.

Kuang Pi, startled, rushed to the railing to see. He was stunned to find that the Ancient Demon Ancestor Kun had been sliced in two by that terrifying Sword Light. Its island-sized body crashed into the sea, kicking up towering waves. Immediately, countless sea demons swarmed it for a frenzied feast.

This scene left Kuang Pi completely dumbfounded.

"Xiao Luo… how are you so damn strong?"

Luo Xiu smiled, but then his face suddenly turned pale, and he coughed up a mouthful of black blood.

Luo Ying's face lost all color, and she rushed to support him. "Young Master, are you alright?"

Luo Xiu waved a hand weakly. "I'm fine. It didn't trigger an episode, it just hurts a little. I'll be okay after some rest."

Luo Ying sighed, looking at him with a pained expression. "It's all my fault for being useless. To think I'd make you personally deal with such a small fry."

Luo Xiu reached out and ruffled her hair, then looked at Kuang Pi. "Brother Xiong, don't let those sea demons devour the Ancient Demon Ancestor Kun's corpse. It should be useful for Yaya. I'll call her out to devour it."

"Alright, I'm on it!"

Kuang Pi had no time to be astonished by Luo Xiu's power. He leaped from the Thunderbolt Divine Boat and landed on the Ancient Demon Ancestor Kun's corpse, roaring, "Within three hundred li, anyone who approaches dies!"

At his roar, the surrounding sea demons scattered in terror. Kuang Pi stood upon the Kun's back, glaring proudly in all directions with a cold smirk.

I may not be a match for the Ancient Demon Ancestor Kun, but I can certainly handle a bunch of small-fry sea demons!

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