A heavy stench of blood emerged from the crack, instantly diffusing and spreading in all directions.

A dazzling blood-red light erupted from the crack, rendering the entire altar as eerie and terrifying as hell.

Ghostly blue flames revealed themselves within the crack.

One by one, blood-red skeletons gradually appeared.

Each blood-red skeleton stood at least two meters tall.

They were clad in finely crafted blood-red armor, their bone-white claws gripping tightly onto blood-red broadswords.

The broadswords were about two meters long, adorned with nine rattling bronze rings, emanating a deathly aura that unsettled the heart.

In the hollow eye sockets of these blood-red skeletons floated ghostly blue light; they opened and closed their mouths, producing a creaking sound, while a foul, decaying black gas emanated from them.

The skeletons roared and howled, harboring a hatred for the living, surging out from the crevice of the Secret Realm like a blood-red tsunami.

A neighing sound echoed.

From the crack came the howling noises of bone horses.

A White Bone Warhorse, three meters tall, draped in thick blood-red armor, emerged.

The skeleton rider on the back of the White Bone Warhorse was adorned in extravagant blood-red armor.

A blood-red White Bone Long Spear was carried out by a group of blood skeletons.

The handle of the White Bone Long Spear featured a menacing dragon bone.

The dragon bone's eye sockets were inlaid with blood essences the size of pigeon eggs.

The terrifying aura rendered the surrounding blood evil qi turbulent and chaotic, a blood-colored gale swept across the altar.

The altar was in a frenzy, swirling with sand and stones.

The charge of the blood-red skeletons was unstoppable, as they passed, everything was engulfed by a deathly aura.

The trees, corroded by the aura, turned into withered wood.

Like an exalted king, the Blood Saint coldly watched this invincible blood-colored army.

Each blood skeleton here had at least the strength of Tier Four, with the leading skeleton commander reaching Tier Five.

Of course, this was only a part of the blood-colored army.

Due to limitations in power, the Blood Saint could only summon this small portion of the army.

This represents the heritage of the Blood Saint's lineage; whenever they hunted an opponent, they would throw the corpses into the Blood Pool.

The flesh and blood turned to essence blood in the Blood Pool, while the bones and souls created blood-red skeletons.

Accumulating over time, the Blood Saint lineage commanded a vast blood-colored army.

Naturally, the Spirit Saint and the Energy Saint lineages were not simple either.

The former controlled a group of wailing spirits, while the latter possessed an elemental army.

"Kill them for me, wipe out all living creatures,"

"I want this Secret Realm to radiate blood-red brilliance everywhere,"

Arrogant and domineering words came from the Blood Saint's mouth.

Like locusts, the blood-red skeletons spread out.

Blood light surged to the sky.

Wherever they passed, not even grass remained.

They were plundering life energy.

On the other side.

Ye Bai, Blue Hair, and Yun Luo were watching a group of chubby white insects.

Blue Hair used the ability of Illusion and Reality Conversion to place the insects in a transparent display case.

The Sunflower Emperor had thoroughly searched this forest, gathering all the insects it could find.

In Ye Bai's eyes, these were precious test subjects, and the Eye of Insight was observing these chubby white insects.

[Name: Sword Spirit Insect]

[Gender: Male]

[Trait: Hard as Iron: The body is extremely sturdy, not troubled by bird pet beasts.]

[Level: Tier Two Level One]

[Mastered Skills: Metal Wire (Skilled): Spits out metal wires as fine as hair from its mouth to attack the opponent.

Golden Silk Net (Skilled): Weaves a net like a fishing net from its mouth. When a target moves at high speed through it, they're chopped into pieces.

Sticky Net (Skilled): Sprays a gooey net from its mouth, with a viscosity comparable to 502 glue.]

[Evolutionary Path 1: Sword Butterfly, the more precious the metal consumed, the stronger the Sword Butterfly after evolution.]

"Ye Bai, what's the origin of these insects, why are you so excited?"

Blue Hair couldn't help but ask, seeing Ye Bai so focused.

Ye Bai made a shushing gesture, indicating Blue Hair should not disturb him for the moment.

Blue Hair looked, somewhat uninterested, at Yun Luo.

Yun Luo was currently munching on a large chicken leg, her cheeks puffed up like a squirrel, mouth full of oil.

Beside her, the Gale Fang Wolf happily gnawed on another chicken leg.

Blue Hair covered his face, showing an extremely speechless expression.

One's a research fanatic, one's a foodie, how can one expect any development in such a team?

Though Blue Hair was also a breeder, his focus was on potions, not very skilled in pet beast cultivation.

During the provincial Young Qilin Cup evaluative breeding, he coincidentally drew a project he excelled at, allowing him entry into the Flame Country competition.

After Ye Bai had observed enough, he reluctantly moved his gaze away from the chubby insects.

Under the sunlight, these chubby insects glimmered with a silvery white light.

"These are the larvae of Sword Butterflies, you tell me if they're precious or not."

Upon hearing Ye Bai's words, Blue Hair was taken aback.

"Sword Butterfly larvae, Sword Spirit Insects?"

"That thing looks like this?"

"A real eye-opener."

"But I remember this kind of thing is extremely rare in numbers?"

"Each pair of Sword Butterflies can only lay one egg in their lifetime. I've always wondered if they will eventually disappear entirely, becoming Pet Beasts only recorded in ancient history."

Blue Hair said suspiciously.

"So if we're lucky, we may have found a Sword Spirit Insect with invisible reproduction genes."

"That's quite uncommon, let's see if we can increase the number of Sword Butterflies through mass reproduction."

"These are our most important test subjects, whether we get high scores depends on these little ones."

Ye Bai smiled.

"By the way, Blue Hair, you should be able to copy Beast Cards, right?"

Ye Bai suddenly said.

Blue Hair frowned: "I can, but aren't you afraid of being discovered?"

"If they find Beast Cards during the exit check from the Secret Realm, wouldn't that expose my talent?"

"The exit examination from the Secret Realm is stricter than the entrance inspection, even Pet Beasts have to be thoroughly searched to prevent hiding anything inside."

Ye Bai understood Blue Hair's concern, he was afraid of being eliminated secretly by others.

He smiled: "It's alright, I naturally have a way to conceal Beast Cards."

"Moreover, our purpose in using Beast Cards isn't to secretly take the Sword Spirit Insect out but for convenience of carrying it."

"After all, this is a significant find within the Secret Realm and must be showcased in front of the crowd."

"As long as resources are sufficient, the Sword Spirit Insect can quickly evolve into Tier Four Sword Butterflies."

"We need enough theoretical data to support our research."

"Blue Hair, first create a Beast Card."

Ye Bai's gaze turned towards the Iron Tree.

This is a tree as tough as iron.

Its body is hard and has a high metal content.

This type of tree can absorb deeply buried underground metal ores, extracting metal substances from them.

Its bark glows with a black iron color, giving off a thud sound when knocked heavily with a finger.

Don't be fooled by its mere two-meter height, in reality, its layered roots buried underground reach nearly ten meters in length.

"Sword Spirit Insects usually feed on metal ores."

"Wherever there are Iron Trees, the ground is likely rich in metal veins."

"We can mark this place."

This round of assessment includes exploring mineral veins in the Secret Realm as a part of the scoring criteria.

Ye Bai had the Sunflower Emperor collect all the leaves from the surrounding Iron Trees.

"Sunflower Emperor, create some Clones."

"Dig down and extract the underground ores."

"I want to investigate if there's something special about these ores, and whether certain ores enhance the Sword Butterflies' reproduction ability."

Apart from genetics, environment is a factor that can strengthen Sword Butterflies' reproduction.

Just conducting several tests can easily verify this.

"Blue Hair, mark it on the map."

"Let's leave here early."

Only by constantly changing positions is it less likely to be discovered.

Blue Hair sat atop the Iron Armor Mad Bull.

Yun Luo rode on the Gale Fang Wolf, a wolf that once it couldn't win, joined them, and now enjoys the best in Ye Bai's team.

It's now as docile as a little puppy.

Indeed, to win a Pet Beast's heart, you must seize its appetite first.

The Sunflower Emperor stored the tent within its petal space, while Ye Bai hopped onto the Little Charcoal Dog.

"Let's go!"

Celestial Harmony City.

Fang Ritu and Corner Wood Flood Dragon gathered here.

Watching the endless undead swarm like tides.

A trace of inexplicable sorrow flashed in Fang Ritu's eyes.

The newly appointed Corner Wood Flood Dragon Zhang Jian was the former president of the Yandong Province's Pet Beast Union.

Because Zhang Jian reported anomalies in Celestial Harmony City, both he and Fang Ritu were dispatched to investigate.

Celestial Harmony City is done for, completely done for.

"Who intercepted Celestial Harmony City's intel, causing the entire city to become a haven for the undead."

"The provincial capital didn't send anyone to investigate, rather they kept covering up Celestial Harmony City's tragedy. What exactly are they trying to do!"

At this moment, Zhang Jian was extremely furious, he punched a nearby rock, and blood seeped from his knuckles, dripping onto the ground.

The scent of blood provoked the undead, and many surged towards him like a tsunami.

But just as they were about to touch Zhang Jian, a large Barrier appeared.

"This is the large Barrier of the Pet Beast Union."

Fang Ritu suddenly brightened.

"It's them who activated the large Barrier."

"Seems that some survivors are alive, we must find the survivors quickly, to know the whole story."

"Let's go, Corner Wood Flood Dragon, this mission is very challenging, my hammer is eager for action."

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