In the Altar Space where Lao Du was present, spiritual power was omnipresent, featuring refraction, reflection, scattering, diffraction, transmission, and ricochet of various sorts...

Successfully achieving entry-exit balance in such a complex environment of spiritual rays, and even gaining improvements, was extremely difficult; the cultivators of the Heartless Dao knew he could reach the highest Seventh Space but were unaware that his visit here was fruitless; he couldn't even enhance his spiritual power, let alone succeed.

It was too chaotic, already beyond his capabilities.

Only he knew that the final Seventh Altar gate was not just a simple tenfold increase in spiritual power, but beyond tenfold, and the exact limit was something he had never experienced himself, so it was impossible to speculate.

What he could speculate was that if he truly passed this threshold, he might have the chance to meet the master of this Grotto Heaven, the Cave Spirit of the Altar.

As far as he knew, no cultivator of Wu Sect had passed the Seventh Level in nearly two thousand years; in fact, all cultivators fell at the Sixth Space. He was the only known cultivator who had witnessed the ferocity of the Seventh Space. To others, it seemed as if he was in the limelight, but he wasn't satisfied with himself.

But as an experienced visitor from the Upper Realm, he knew this was the true wonder of a superior Grotto Heaven; how could it be so easy to attain? The process must be arduous, and the further you go, the more brutal it gets, just like the path of cultivation.

He had entered this place many times; the Altar Space wasn't a place you could enter on a whim—there was only one opening opportunity every ten years. He never missed a chance, and after entering the realm, this was his third time coming in; he finally reached the Seventh Level but found it impossible to make any progress, not even seeing any hope.

Not only him, but also a few dissatisfied Nascent Soul Masters; they didn't need to start from the beginning when re-entering, but could start from where they stopped last time.

However, even with familiarity, truly entering the Seventh Space made him helplessly sigh, realizing that within a short time, one to two hundred years, it would be very difficult to break through this shackle. This was not just about whether spiritual power was strong, but also about the control of delicate spiritual operations.

He had this goal, as did the three Nascent Soul Masters. Only, one of the Masters was stuck in the Sixth Space, and two others remained in the Fifth Space.

In this Grotto Heaven, every step for a Nascent Soul was far more challenging than for a Golden Core, which aligned with the cultivation principles.

But, precisely because all four of them had no opponents in their respective Altar Spaces, they couldn't feel that the entire Altar Cave Heaven had already undergone changes. From the Second Level, Heartless Daoists found stranger cultivators intruding, but at this point, nothing could turn back.

Inside Lotus Mountain, the cultivators guarding the Grotto Heaven were shocked to see the symbol of the Altar Cave Heaven, an ancient clay jar, slowly disappearing, yet they were helpless, unable to grasp it; that was the power of space, invincible.

Alarmed, all of Lotus Mountain went on high alert, followed by all of Baolian City.

The Heartless Dao had guarded against Wu Sect for hundreds of years, yet issues still arose. This enraged the Heartless Dao high ranks immensely, especially since there were nearly thirty Golden Cores, three Masters, and Lao Du in the Grotto Heaven; if they were really taken back to Wu Sect's Mountain Gate, the loss would be too great to bear.

But within the Altar Cave Heaven, the struggle was just beginning.

......

Hou Niao drove a person out of the Second Space. After a day of spiritual power adaptation and achieving balance, the altar flipped, entering the Third Space. As expected, another figure appeared across from him.

Considering the last time's quick kill yielded nothing, he didn't act immediately this time, but his hesitation led the opponent to make a wrong judgment.

A Daoist, wearing a high crown, chuckled, teasing with his words, "Daoist, feeling strange? Could it be we seem unfamiliar? I too am from the Heartless Dao, your senior fellow brother, Lou Ajiu!"

While laughing, the Daoist marked out an array around him. He was an Array Master, one of countless directions within Wu Sect, exceptionally effective against Heartless Dao's methods; Heartless as flowing water, the array as grindstone, just enough to grind and kill.

In this operation, Wu Sect held the proactive advantage; they knew exactly who their opponents were, but the Heartless Daoists didn't.

Lou Ajiu was the master specially selected by Wu Sect to complete this mission. Because of the Cave Spirit's presence, they couldn't bring in more cultivators than the Heartless Dao, so they sent in half a hundred, and ultimately only thirty-one entered, equal to the Heartless Dao.

Among them, three were Nascent Souls, and twenty-eight were Golden Cores, evenly matched, but their preparations were incomparable.

He could imagine the surprise of the Heartless Dao cultivator opposite him, while he relished in this joy, taking the life of his panicked opponent, just like he did last time in the Second Space.

The formation was laid unseen, and he invited with hands held, "Come on, junior brother, let's have some fun?"

Then, he saw a flash of light; already well-versed in the Heartless Dao, he knew this was the famed Heartless Stab or Heartless Ring within the Heartless Daoist Method, currently within his array's control scope, so he chuckled,

"Good strike! Come here, to my neck..."

As he said, the light swiftly passed his neck, and the array he had set up showed no effect; the light was too fast and sharp, with the thunder explosion only heard after the sword reached his neck,

His heart trembled violently, with bitter regret, "The Heartless Dao actually colluded with the Sword Sect..."

Hou Niao shrugged, "I'm your senior, Hou Lao Liu, as you wished, safe journey?"

This was a chaotic battle, especially at the beginning, when most Heartless Dao cultivators were unaware Wu Sect had invaded the Altar Cave Heaven, unless they could escape from the Wu Sect cultivator's grasp.

And as for himself, the Sword Cultivator, he was even more unexpected by everyone else. However, the first person not killed, there would still be someone who knew the Sword Sect was involved. Unfortunately, this was not something he could control; the Cave Spirit wanted to save people, and he had no spell to recite.

This action was somewhat risky in fact, because although he could come here with the help of Aunty Nineteen, he didn't know how to get out?

Little Peacock clearly told him that she could return back then because she had the Stone Fetus, and now he had nothing to use? Even if he killed everyone in the Altar Cave Heaven, he wouldn't find the Stone Fetus, because it was most likely in the hands of the Cave Spirit.

Struggling with the Cave Spirit in the Altar Cave Heaven? Even as bold as he was, he didn't dare imagine, but he still came, simply because he knew he couldn't kill everyone, how to get out? Handing over to Wu Sect or Lian Sect?

Was Lao Du ahead, or was Jue Mingzi more cunning? He looked forward to it.

Immersed in the growth of spiritual power, he took advantage of it first.

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