He planned to have Shadow Kill use the Domain Fruit to attempt realizing a domain on its own. If it failed, he would then use the Slaughter Atlas to force its comprehension.

Chu Chen's initial plan was to use the Slaughter Atlas directly, but he wasn't short of cultivation resources now, and he had a massive sum of twenty billion currency in hand. What he lacked was Slaughter Value.

If Shadow Kill could comprehend the domain on its own, he could save tens of thousands of Slaughter Value.

As time passed, Chu Chen could clearly feel that a force seemed to be brewing inside Shadow Kill.

A moment later, Shadow Kill slowly opened its eyes, its blade arm pushed forcefully, and it stood up, releasing an inexplicable force through its body.

This force circled around Shadow Kill, forming a circle.

Seeing this, Chu Chen couldn't help but frown. Although Shadow Kill did comprehend a domain, it was only a domain prototype, and its range was only three zhang wide.

Although Chu Chen was not completely satisfied with this, he wasn't disappointed either. After all, from its birth until now, it had only been about three months.

The growth speed could only be described as terrifying. Perhaps his expectations for it were a bit too high.

In just two months, the strength of one person and two beasts had greatly improved.

Firstly, Chu Chen, whose realm advanced from Fourth Rank Commander Level to Eighth Rank Commander Level. His rapid progress in cultivation was due not only to the Star Gathering Array, Elixir Pills, and the 'Heaven Rewards Diligence' Talent of the Celestial Dragon Training Camp but also to the improvement in his Cultivation Talent.

Just over a month ago, with the help of Ten Thousand Year Stalactite Liquid, his cultivation talent rose from Green Rank Lower Grade to Cyan Rank Lower Grade.

Both his knowledge reserves and practical combat skills had greatly advanced.

Of course, his biggest harvest was in soul skills. 'Light Body', 'Giant Power', and 'Stone Skin' were all upgraded from Level 3 to Level 4, with their effectiveness increasing from 40% to 80%.

Of course, this improvement was directly proportional to Chu Chen's effort. It's known that upgrading a soul skill from Level 3 to Level 4 is no easier than cultivating a Perfect Level Upper Grade soul skill.

Besides these three soul skills, 'Barrier' was also lifted from Level 2 to Level 3, and 'Soul Spike' went from Level 1 to Level 2. Additionally, he learned two support-type soul skills, 'Turtle Breath' and 'Mimicry', both cultivated to Level 2.

Nirvana's changes were significant too.

Star Beast Name: Wood Ant

Life Level: Growth Stage

Star Beast Quality: Perfect Level, Upper Grade

Star Beast Talent: Disguise D-level, Braver and Braver D-level, Endless Life D-level

Star Beast Level: Eighth Rank Commander Level

Power Talent: B-level

Defense Talent: B+ Level

Agility Talent: C-level

Physical Talent: C+ Level

Soul Power Talent: C-level

Star Power Talent: B-level

Star Beast Attributes: Wood Element, Earth Element

Star Beast Skills: Jaw Scissors (Ordinary Level, Perfection Realm), Wooden Cone (Elite Level, Perfection Realm), Earth Rock Armor (Elite Level, Perfection Realm), Limb Regeneration (Elite Level, Perfection Realm), Cycle of Mutual Birth (Excellence Level, Perfection Realm), Earth and Wood Prison (Perfect Level, Minor Achievement Realm)

Besides the realm and skill level, the most noticeable change in Nirvana was its size.

Its height grew from 2.3 meters to 3 meters, and its body length increased from 5 meters to 8 meters.

Nirvana's changes didn't stop there; it had already comprehended the dual elements of earth and wood. Its range reached thirteen zhang. Additionally, Chu Chen exchanged a secret technique from the Slaughter Atlas, enhancing Nirvana's strength by about 60% under full force.

Its current strength was comparable to a Lord Level Star Beast.

Chu Chen then checked on the information about Shadow Kill.

Star Beast Name: Shadow Golden Mantis

Life Level: Growth Stage

Star Beast Quality: Perfect Level Upper Grade

Star Beast Talent: Stealth D-level, Mimicry D-level

Star Beast Level: First Rank Commander Level

Power Talent: D+ Level

Defense Talent: D-level

Agility Talent: C+ Level

Physical Talent: C-level

Soul Power Talent: D-level

Star Power Talent: C-level

Star Beast Attributes: Dark Element, Gold Element

Star Beast Skills: Dual Blade Slash (Ordinary Level, Great Success Realm), Cross Slash (Ordinary Level, Great Success Realm), Golden Blade Slash (Elite Level, Great Success Realm), Demon Concealment (Elite Level, Great Success Realm), Demon Gold Blade (Excellence Level, Great Success Realm)

In just two months, Shadow Kill's realm was elevated by an entire equivalent rank, and its life level advanced from the juvenile stage to the growth stage. Its size transformed drastically.

Its height grew from the initial half meter to the current two meters, and its body length from one meter to four meters.

Chu Chen could finally be considered truly having a flying Guardian Beast.

Shadow Kill also practiced a secret technique, but its enhancement was slightly less compared to Nirvana, only increasing its strength by 40%.

Chu Chen browsed the Slaughter Atlas intending to grant Shadow Kill a third talent.

He already had a general direction in mind; with Shadow Kill being an assassin, it's all about the one-hit kill.

Currently, Shadow Kill's two talents are Stealth and Mimicry, both enhancing its concealment capability, which was already maximized.

Although these two talents might have some overlapping capabilities, as an assassin, hiding is of utmost importance. Without it, how can there be talk of assassination?

Shadow Kill now lacked speed and attack.

However, Chu Chen leaned more towards speed; as the saying goes, 'among of martial arts, speed conquers all.' If your speed is fast enough, the enemy won't even touch you, and if the odds are against you, you can escape with ease.

As for attack, Shadow Kill isn't lacking for now since all its skill levels have reached the Great Success Realm, allowing it to break the defenses of even a Lord Level Star Beast.

After careful consideration, Chu Chen chose a D-level talent, Swift, for Shadow Kill, which can increase the Guardian Beast's speed by 40%.

After handling all this, Chu Chen's gaze shifted to the page in the Slaughter Atlas where Lei Yao was located.

Star Beast Name: Furious Blood Thunder Ape

Life Level: Growth Stage

Star Beast Quality: Epic Level, Upper Grade

Star Beast Talent: Frenzy D-level, Beast Soul Power D-level, Strengthening Body D-level

Star Beast Level: First Rank Lord Level

Power Talent: A-level

Defense Talent: A-level

Agility Talent: B-level

Physical Talent: B-level

Soul Power Talent: B-level

Star Power Talent: A-level

Star Beast Attributes: Thunder Element, Beast Type, Blood Element

Star Beast Skills: Lightning Fist (Ordinary Level, Perfection Level), Thunderbolt Fist (Ordinary Level, Perfection Realm), Thunder Blade (Elite Level, Perfection Realm) Thunder Armor (Elite Level, Perfection Realm), Thunder Shocking Mountain Fist (Excellence Level, Perfection Realm), Sea of Blood (Perfect Level, Mastery Realm)

Lei Yao also broke through to the Lord Level today, surpassing the perception range of the Soul Contract between one person and one beast.

If it weren't for the Slaughter Atlas, he would not be able to sense Lei Yao's situation, nor know when it broke through.

Next, Chu Chen planned to attempt granting Lei Yao a fourth talent.

Previously, he found a talent on the exchange page capable of emotional suppression.

Calm as Still Water C-level talent required a full hundred thousand Slaughter Value for exchange.

This talent could make the Guardian Beast's mind peaceful and free of distracting thoughts, suppressing chaos emotional by 60%.

Originally, Chu Chen considered it an option, but now he could easily afford it.

Because he now had over fifty thousand Slaughter Value, indicating that Lei Yao went on a killing spree in the secret realm.

However, recently, Lei Yao's speed of gaining Slaughter Value has slowed, clearly signaling most of the star beasts there have already been slain.

Chu Chen pondered slightly and immediately chose to exchange, and with a thought, he attempted to grant Lei Yao the Calm as Still Water talent.

At this moment, a blinding golden radiance suddenly erupted from the Slaughter Atlas.

This golden radiance shot out directly from Chu Chen's Soul Sea, rushing towards the sky.

The golden radiance split the void, shooting eastward at incredible speed and disappearing in the blink of an eye without a trace.

Seeing this, Chu Chen fixated his gaze on Lei Yao's talent section in the Slaughter Atlas.

A few breaths later, the Calm as Still Water talent astonishingly appeared in Lei Yao's talent section.

At this moment, in the fourth-level secret realm, Lei Yao was stepping on a Broken Gold Beetle, seemingly feeling an addition to its body.

The once frenzied eyes now held a touch of clarity, and it looked around bewilderingly, unsure why it was there.

Scanning its surroundings and not finding that familiar figure, a tinge of worry arose in its heart.

It looked at its own body, feeling overwhelmingly powerful and puzzled why its fur turned crimson gold.

Numerous questions echoed in its mind, causing it great frustration.

The Broken Gold Beetle exerted force, flipping Lei Yao onto the ground.

Falling, Lei Yao immediately fell into a rage, with that hint of clarity in its eyes being replaced by frenzy once more.

"Roar"

Lei Yao let out a furious roar, once again transforming into a slaughter machine.

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