Hidden E Technique Tier One, colloquially known as the Stalker.

Hidden E Technique Tier Two, commonly called the Assassin.

Hidden E Technique Tier Three, self-proclaimed as the Explorer.

Hidden E Technique Tier Four, jokingly named as the Scholar.

Hidden Moth Skill Tier Five, known as the Thousand-Faced Man.

Hidden E Technique Tier Six, honorably called the Master Yan.

After He Kao entered the Grotto Heaven Secret Realm, he received the subsequent technique inheritance of the Hidden Moth Sect through a very peculiar method, as if the information of heaven and earth naturally imprinted onto his Primordial Spirit—this is the Floating Colors Grotto Heaven.

How to describe this feeling, it's like the whispers of the world conveying much information to him in a manner similar to the Divine Thought Heart Seal. He Kao stood silently for a long time earlier, digesting and sorting through this information.

Not everyone entering the Floating Colors Grotto Heaven receives this privilege, but He Kao's experience is due to him being the Hidden Moth, the first true Hidden Moth in a thousand years to finally return to the land of inheritance.

The Floating Colors Grotto Heaven seems to have been awaiting his arrival, welcoming him in this way.

Apart from the Hidden E Technique inheritance, He Kao also received the inheritance of the other Seven Great Magic Sects, which was completely unexpected.

Prior to this, Jiang Daozhen had also given him the Seven Great Magic Sects' inheritance, similarly complete, yet not including the content of advanced rituals and certain uniquely created techniques.

The inheritance given to He Kao by this Grotto Heaven world also excludes the advanced rituals, but it is more detailed and ancient than what Jiang Daozhen transmitted, akin to a Secret Technique 1.0 version.

When Elder Jiang transmitted the technique, he introduced it as an ancient method from a thousand years ago. However, being a modern person, what Old Man Jiang transmitted inevitably carries traces of such development and improvement over a millennium, more like a Secret Technique 2.0 version.

As for the Secret Techniques currently practiced by disciples of the various sects, they are equivalent to 3.X versions.

Why does the Floating Colors Grotto Heaven function this way? He Kao also does not know the reason. The Divine Seal inheritance contains not only secret techniques but also information about this Grotto Heaven world, vast and inconceivable, challenging He Kao's perception.

He Kao did not walk into the valley because he already understands the situation here, with the entire Grotto Heaven projected in his Primordial Spirit.

In terms of cultivation, He Kao is currently merely a Tier Four Scholar of the Hidden Moth Sect. As a high-tier male cultivator of the Hidden Moth Sect, he could be nicknamed "Kong'Er," following Jianghu customs as He Kong'Er.

Should Lan Jiwan practice the Hidden Moth Skill and break through to a high tier, traditionally, she could be called Lan Yin Niang.

But He Kao is far more than just He Kong'Er. In terms of identity, he is also the contemporary Hidden Moth, the sect leader of the Hidden Moth Sect, in charge of the Hidden Moth Object, and the lord of this Grotto Heaven world.

As long as he uses the Hidden Moth Object as a guide and moves a thought, his Primordial Spirit can sense any corner of this Grotto Heaven.

But none of this matters, as He Kao feels somewhat chaotic. Had he not already passed the Demon Realm trial, the cognitive impact he's experiencing now could lead to falling into the demon...

He inexplicably has a thought—this world has a BUG!

He Kao's daily work involves using big data and artificial intelligence to create a virtual world.

If this world is also built by a program, then there should be errors in its underlying code, producing noticeable flaws during operation.

The fact that it still functions with errors indicates that the program's internal logic reconciles itself during execution, preventing a crash.

Speaking of BUGs, the existence of the Hidden Moth is itself a BUG in this world. How can an ordinary person ignore spatial teleportation? But He Kao himself is the Hidden Moth; it's not about belief—this is a confirmed fact.

Regarding the Grotto Heaven Secret Realm of the Seven Great Magic Sects, Wei Luo, Qian Guran, and Lin Qingshuang have all introduced some situations. Though mysterious, they are still within He Kao's comprehension.

At least, as a modern young man, he has witnessed many Xianxia and fantasy works.

However, the Hidden Moth Sect's Floating Colors Grotto Heaven exceeds his knowledge. How can such a place exist? Yet it does exist, and He Kao just went in and even became lord of the grotto.

Actually, that "Tan Xian's Walking Stick Painting" itself has significant issues. Many things cannot be explained, or rather, are not reasonable.

What is the principle of the Hidden Moth's ability? One could barely express it as there being a Grotto Heaven world inside the painting, and the Hidden Moth must use this Grotto Heaven world as a "transfer" to traverse the real world.

This isn't the true situation, just a way to describe it that can be understood.

But Tan Jun in the painting is the founder of the Alchemy Sect! Plus, the history of the Magic Sect precedes Tan Jun's lifetime, meaning that before Tan Jun was born, the Eight Great Magic Sects, including the Hidden Moth Sect, already existed.

Tan Jun was born before the Yin Niang's chaos; he lived for one hundred and eight years, and legend has it he ascended to immortality, coinciding exactly with the centennial turbulence of the Magic Sects.

Looking at the inscription on this painting, it was created by Tan Jun's disciple, Leidunzi. Leidunzi was the key figure in reorganizing the Magic Sect and establishing the Ancestral Hall after the chaos.

The most critical inheritance secret of the Hidden Moth Sect lies within this painting, yet this painting is the work of Leidunzi. This cannot be explained as they don't match timing-wise.

He Kao, having opened the Floating Colors Grotto Heaven and becoming its lord, can resolve this dilemma.

This painting is a True Form Map, depicting the true image of Immortal Tan and holding the essence of an Immortal Spirit.

The scroll was left by Immortal Tan for his disciple; it was originally a landscape. Later, Leidunzi painted the true form of Immortal Tan on it, equivalent to adding ink to an ancient painting.

Adding ink to ancient paintings, such as inscribing or stamping, was not uncommon, with an Eastern Country emperor even mocked as "Stamp General."

But what Leidunzi did differs from the "Stamp General." This painting is a Divine Artifact, and what he drew is a True Form Map of Immortal Tan. Without the permission of Immortal Tan and the spiritual entity of the artifact, it would have been impossible to lay down ink.

Once the ink was laid, it was as if the artifact had been re-consecrated, with Leidunzi merely being a tool-holder; it was the Immortal Spirit Essence of Tan Jun performing the true consecration of the artifact.

So the real situation should be that Tan the Immortal, under the guise of his disciple Leidunzi, reforged the inherited divine artifact of the Hidden Moth Sect, turning it into "Tan Xian's Walking Stick Painting".

This way, no one would ever guess its true origin. Why did Tan Ancestor do this? Unfortunately, the immortal in the painting did not offer any explanation.

He Kao, leaving the grotto heaven, looked at "Tan Xian's Walking Stick Painting" in front of the offering table. The immortal in the painting seemed to be standing at the portal of the grotto heaven, gazing at the vast world outside and the multitude of beings.

He Kao's invisibility ability had advanced at this moment; he could enter the world in the painting from anywhere in the world with a mere thought, without needing to return via the originally opened portal.

This avoided the initial embarrassment of being trapped in a public toilet during the cold days.

However, the most important limitation of the invisibility ability still existed; it must not be observed by anyone, whether entering or exiting the world in the painting. If it could be observed, the invisibility ability would still fail.

Methods like the Spirit Lock Array are still effective in "capturing" the Hidden Moth.

There's one issue that perhaps nobody has realized yet: as the Hidden Moth, He Kao actually doesn't need this painting or need to acquire the painting physically. Because no matter where the scroll is, he can access the Floating Colors Grotto Heaven.

So what is the significance of this tangible scroll? If there were another Kong'Er or Yin Niang in the world, it would be useful to them; for them, the scroll is the portal into the Floating Colors Grotto Heaven.

He Kao can open this portal, leading other disciples of the Hidden Moth Sect in and out.

Otherwise, if the invisibility ability cannot be observed, he wouldn't be able to take others into the Floating Colors Grotto Heaven; does he have to knock them out and drag them in every time?

With this question in mind, He Kao turned around and went to his apartment, opened his usual laptop. Inside were various pieces of information he'd collected about Phoenix Tail Town, including a picture taken by a self-driving tourist, located in Cai Ping Village.

The photo was taken by a drone, below was a village situated on a large flat slope halfway up the mountain, with a road passing through the village towards a valley embraced by two mountains... In the distance were continuous mountain ranges.

The terrain of the grotto heaven secret realm is exactly the same as the real-world Phoenix Tail Town, just without the village and people.

According to the news He Kao heard, the grotto heavens of the other seven great magic sects have almost identical terrain structures to the outside Phoenix Tail Town.

Phoenix Tail Town has seven mountain basins known as the Seven Phoenix Tails, and the seven grotto heaven secret realms are among them.

The Seven Phoenix Tails should actually be called the Eight Phoenix Tails because there is also the Floating Colors Platform, the location of Phoenix Tail Town's government, which is not fully enclosed by mountains, leaving a mouth of the valley leading outside the mountains.

The grotto heaven of the Hidden Moth Sect is also called the Floating Colors Grotto Heaven.

The portals of the other seven grotto heavens are fixed, whereas the portal of Caiping Grotto Heaven is mobile, hidden in a painting that can be carried anywhere.

Things have come this far, and it still doesn't count as violating the known; the true perplexing aspect is that He Kao could bring the scroll into the Floating Colors Grotto Heaven!

The scroll is a tangible object; He Kao can carry it through the mid-transfer of the Floating Colors Grotto Heaven, sending the scroll to any place he has been — this is a BUG.

He Kao returned to Gu Mountain Secret Mansion, rolled up the scroll, took it and activated the invisibility ability, entering the Floating Colors Grotto Heaven again.

If the Floating Colors Grotto Heaven is indeed the world in the painting, He Kao could even bring the scroll into the world of the painting! The scene may be ordinary, but the implications are terrifying upon deeper thought.

Imagine a closed container; this container can somehow contain itself inside — a phenomenon utterly incomprehensible to three-dimensional life, yet presented in such a peculiar way.

At this moment, He Kao is in the world of the painting, yet also holding the scroll that carries this world in his hands.

He Kao left the grotto heaven, carrying the scroll to many places he had been before, reaching them instantly without any issue — but precisely therein lies the problem.

He Kao took the scroll back to the Floating Colors Grotto Heaven, tried to open the portal from the scroll, finding out he needed to use divine sense to give a specific coordinate, which could be anywhere he had been before.

Suddenly, He Kao comprehended this phenomenon in another way — the scroll is the carrier of the portal; he could open the portal from outside, from within the grotto heaven, and teleport the portal to anywhere in the world.

But again, this caused a new BUG; through the scroll, he could allow any person in the world to have similar abilities to the Hidden Moth!

He Kao immediately did an experiment, taking the scroll to Gu Mountain wilderness, capturing a monkey.

Gu Mountain is home to wild monkeys; He Kao often practices there, and this monkey possibly found him annoying, once even rallied a group of monkeys trying to attack him, today finally getting its comeuppance.

He Kao tied the monkey's hands and feet, hung the opened scroll on a nearby tree, saluted the immortal Tan, then casting a spell with the pendant on his chest, slashed forward.

Light shot from the scroll before forming into a portal, through which one could see the distant wilderness. He Kao lifted the monkey and walked through.

Throughout this process, the monkey remained conscious.

The light disappeared, the portal closed, leaving just a scroll in the wilderness. Moments later, He Kao appeared on this spot, rolled up the scroll and vanished again.

In the next instant, in Sawa Country, in a wilderness near an empty beach, a door of light and shadow appeared out of thin air; He Kao walked out carrying the monkey, then the portal vanished as if nothing had happened.

He and the monkey were both somewhat stunned; in just moments, this monkey had somehow crossed borders! He Kao is a Hidden Moth, but this monkey also traversed space, could it also be a Hidden Moth?

The prank did not go too far; using the same method, He Kao sent the monkey back to Gu Mountain. After releasing the bindings, the monkey ran away with its limbs free, likely never daring to provoke He Kao again.

What does this scenario imply?

It implies that, through this method and with his assistance, anyone in the world, even a monkey, could possess similar abilities to the Hidden Moth!

However, the grotto heaven world also "conveys" the sect rules of Hidden Moth Sect: only Hidden Moth Sect sorcerers who have surpassed Tier Four cultivation are eligible to enter and exit the Floating Colors Grotto Heaven.

He Kao just happened to exploit the BUG of sect rules, after all, a monkey doesn't count as a person.

**

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