The Star Beast King Intrudes

Ultimately, it was because Gu Changyuan had directly carved the core runes of the teleportation array into his own body, forming an exclusive teleportation mark.

The runes of this teleportation array were extremely overbearing, containing boundless spatial power. He was the only one who could endure it.

His thirty chief disciples would be completely unable to withstand the spatial tearing force brought by the array runes. The slightest carelessness would lead to a backlash from the array, causing their physical bodies to crumble.

Not only his disciples, but even those profound Immortal King realm experts would highly likely fail to endure such overbearing teleportation array runes.

Let alone carving them into their bodies to achieve teleportation at will.

Over the past two days, he had not been idle.

For the next two days, Gu Changyuan took Gu Xing'er and spent their time peacefully in the Star Vault Realm.

Gu Xing'er devoted herself to cultivation in the pavilion every day, the rich star power allowing her cultivation base to rise steadily.

Meanwhile, Gu Changyuan occasionally studied the secret technique scrolls left behind by Xing Zixu, and occasionally inspected the layout of the secret realm. His days were quite leisurely.

During this time, Xing Wuzhan made a special visit to inform Gu Changyuan of another matter regarding the Star Vault Realm.

Common spaces used by cultivators for living and utility were divided into two categories: storage spaces and secret realm spaces.

Storage spaces were simple, requiring only a single entrance and exit. Cultivators could use this portal to store and retrieve items from the space.

They required no other complex arrangements and were mostly used to store resources, magical artifacts, and the like.

However, secret realm spaces were different. They required two portals. One was used to absorb external spiritual energy and elemental power to ensure energy circulation within the space.

The other portal was used for the entry and exit of living creatures within the secret realm. Only in this way could a cycle be achieved.

This allowed living creatures to survive inside for long periods; otherwise, the secret realm space would merely become a sealed dead zone, no longer suitable for living beings to inhabit.

Furthermore, the two portals of a secret realm space had to be established in two different realms of equal level.

Only in this way could an independent space be constructed between these two portals, thereby creating a stable secret realm.

The Star Vault Realm was no exception. One of its portals was established in our Nine Heavens Realm, while the other was located in an equal-level realm within a certain starry sky domain.

This was how it could continuously absorb star power from the starry sky to meet the secret realm's needs.

The Star Vault Origin, meanwhile, was the core that maintained the operation of the entire secret realm.

Although both portals could be hidden using secret techniques.

It was ultimately a concealment technique powered by star power.

Starry sky mutated beasts from the other starry sky realm, though they would find it difficult to discover this portal, still had a much higher probability of doing so compared to those in the Nine Heavens Realm.

Therefore, the Star Vault Realm would occasionally encounter the problem of starry sky mutated beast invasions.

However, because the primary portal was set in the Nine Heavens Realm, the laws of the Star Vault Realm were still governed by the laws of the Nine Heavens Realm.

Even if the cultivation limit of that equal-level realm was higher than the Nine Heavens Realm, once those starry sky mutated beasts intruded into the secret realm, their cultivation bases would be forcibly suppressed to the Human Immortal Realm.

For the members of the Star Vault Clan, facing a few suppressed starry sky mutated beasts was a matter easily resolved; they posed no threat at all.

Over the past thousand years or so, the number of times cultivators from the Nine Heavens Realm had intruded into the Star Vault Realm was zero.

Meanwhile, the number of starry sky mutated beast invasions was only seven. On average, it didn't even happen once a century.

The reason Xing Wuzhan hadn't mentioned this before was also because the probability of a starry sky mutated beast invasion was extremely low, and the threat was minimal.

Coupled with the fact that they hadn't encountered one in a long time, he simply forgot to bring it up.

After hearing this, Gu Changyuan nodded slightly in understanding.

In truth, over the past two days, he had also read the secret techniques regarding the creation of the Star Clan's secret realm from Xing Zixu's relics, so he already had some understanding of this matter.

Since the invasion probability was low and the threat small, not mentioning it indeed didn't matter much.

It couldn't be that they would inexplicably show up during the few days he was here, right?

......

After Gu Changyuan's clone finished setting up the teleportation array outside the entrance of the Star Vault Realm, Gu Changyuan himself arrived outside that entrance.

With the teleportation array fully established, Gu Changyuan returned to the Star Vault Realm to explain the situation to Xing Wuzhan and the others.

After handing over the teleportation authority for both locations, Gu Changyuan was just about to take the group of clan elders to visit the Heavenly Human Sacred Land first.

Suddenly, an intense energy fluctuation transmitted from the depths of the Star Vault Realm.

The fluctuation was violent and bloodthirsty, carrying a thick aura of a starry sky mutated beast, causing the entire secret realm to tremble slightly.

Immediately after, a sharp, ear-piercing alarm instantly rang throughout the Star Vault Realm, its penetrating power extreme.

Whether it was the clan elders in the secret realm's core area or the disciples cultivating in the periphery, everyone could hear it clearly.

Xing Wuzhan and Xing Qianchen's expressions instantly changed, turning solemn. They hurriedly turned to look at Gu Changyuan, bowing as they reported:

Progenitor, the starry sky mutated beasts have come!

Even so, there was not much panic on their faces.

After all, the strongest Progenitor was right beside them.

Let alone just a few starry sky mutated beasts, even if a whole pack came, with Gu Changyuan here, they posed no threat at all. It was merely a trivial matter he could resolve with a wave of his hand.

Gu Changyuan raised his eyes toward the depths of the secret realm. Feeling the overlapping, increasingly close violent fluctuations, his mouth twitched. He was rendered speechless, secretly cursing in his heart:

Damn it, didn't they say it doesn't even happen once a century? Why did I run into it the moment I arrived? They came right for me, didn't they?!

Complaints aside, the aura around Gu Changyuan instantly became sharp, the spiritual energy within his body surging slightly.

With a flash of his figure, he shot off like an arrow released from a bow, speeding toward the source of the fluctuation deep within the secret realm.

Xing Wuzhan, Xing Qianchen, and the three patriarchs did not dare to delay. They hurriedly circulated their spiritual energy and followed closely behind Gu Changyuan, flying together toward the depths of the secret realm.

Although they were not worried about Gu Changyuan's strength, they wanted to see with their own eyes just how terrifying the Progenitor's attack would be. At the same time, they were prepared to assist at a moment's notice.

Before long, the group arrived at the source of the fluctuation, and the scene before them came into view:

On a vast, boundless clearing, the ground was carved with ancient defensive runes. It was clearly a battlefield specially opened up by the Star Clan, dedicated to defending against and fighting starry sky mutated beasts.

In the center of the clearing, a massive four-legged starry sky mutated beast stood proudly, its pair of scarlet slit pupils vigilantly observing its surroundings.

Its entire body was covered in ink-black scales that gleamed with a cold metallic luster. Its four limbs were as thick as pillars, and its claws were as sharp as blades, glinting with a cold light.

It also dragged a thick tail behind it, the end of which was covered in sharp barbs. Violent star power swirled around its body, and its aura was extremely formidable.

Gu Changyuan landed in midair. His gaze fell upon the four-legged mutated beast, his brows furrowing slightly as his tone carried a hint of surprise:

A Starry Sky Mutated Beast King?