When Lin Feng emerged from the secret chamber with a collection of jade scrolls, the library hall was empty.

Returning the jade scrolls to their original positions one by one, he browsed through various introductions of cultivation techniques and martial skills on the shelves.

Although there were still more than ten minutes left in the hour, the opportunity was rare, but at this moment, his spiritual power was severely depleted, leaving him unable to read another soul technique book.

Even if he had the ability, Lin Feng didn't plan to continue studying.

At this time, this library already had no alien race techniques.

Although the human race also had many formidable cultivation techniques and martial skills, the Nightmare only reacted to alien race techniques, able to automatically improve their operation.

Having grown accustomed to the speed of flying, asking Lin Feng to switch to a bicycle was obviously not a matter of habit, but of relevance.

With that time and energy, it would be better to strengthen his physical body.

"Where can I find more alien race techniques?"

Lin Feng thought to himself: "And it has to be soul techniques, because paper-based techniques have no effect."

Having refined the Nightmare, Lin Feng naturally looked forward to the Nightmare's demon-like understanding of martial arts. He couldn't wait to test it out even before coming to Red Cloud University.

In the demon transformation state, aside from enhanced hearing and sight, and faster reaction speed, he didn't feel any improvement in understanding cultivation techniques!

The Nightmare's ability seemed only effective on soul techniques or soul martial skills.

If the Nightmare possession had no side effects, he would learn both. If he could only choose one, techniques were naturally more important.

And soul techniques were already rare, let alone alien race soul techniques.

If "Fish Dragon Transformation" wasn't recorded by a Martial Emperor powerhouse, usable dozens to hundreds of times, it would have been scrapped long ago.

If it were soul techniques recorded by an alien Martial King, they could generally only be viewed three to four times.

As soon as such techniques appear, they are taken away for analysis and improvement, quickly becoming obsolete.

With Red Cloud University's foundation, there are only five alien race techniques in the Library Pavilion.

These five have definitely been attempted for improvement, perhaps being too dangerous, or the difficulty too great, making them impossible to improve and hence preserved as having no value.

Finding alien race techniques, especially those without attributes, or with "thunder" or "water" attributes, seems even more unlikely.

Need to investigate thoroughly, where are there alien race techniques?

Generally, martial arts universities certainly don't have them. The Nine Elite Joint Schools might have one or two, but they may not meet the requirements. It seems only the other two Hero Academies would do.

"At Red Cloud University, every year, the top ten geniuses of the year can have the opportunity to be exchange students for a month at Great Wall or Demon Star, a chance that can be well seized!"

While browsing various martial skill introductions, Lin Feng pondered.

However, even as an exchange student, without special reasons, it's unlikely to easily enter the Library Pavilion, as it is one of the most prized assets of a school.

Soul techniques are rare, with each use reducing availability, and local students don't have enough, requiring fierce competition, let alone granting access to students from other schools.

"You could first become an exchange student, go there, and directly challenge the entire academy's geniuses of the same tier. If invincible, you can make a request to the other academy!"

Lin Feng thought of another idea.

This idea has been attempted in the Three Heroic Academies, and Red Cloud University is no exception.

It's unknown who created this challenge game. Between the Three Heroic Academies, among the Nine Elite Joint Schools, if someone can single-handedly challenge all the students from the other academy of the same tier, if successful and invincible, they can make a request to that academy.

However, this challenge opportunity only comes once.

Regardless of the challenger's strength, whether First Grade or Fifth Grade, they can only challenge that academy once, without repeated attempts.

Though they can't repeat the challenge, the request can have many options.

You could ask for a powerful demon spirit, an opportunity to enter the academy's secret realm for cultivation, a powerful spiritual artifact, or to learn a technique or martial skill from a specific mentor.

As long as it's not an unreasonable request, the university won't refuse, and they wouldn't have the face to refuse.

Of course, entering the Library Pavilion isn't a problem.

If choosing to enter the Library Pavilion, it might waste this valuable opportunity.

The Three Heroic Academies each have unique foundations; what Red Cloud lacks, Great Wall and Demon Star may have, and vice versa.

Therefore, every year, several demon fiends undertake this special challenge, and unless they're overly arrogant, generally they won't suffer serious harm.

Since the game's creation 40 years ago, only two people have succeeded, considered invincible among university students of the same tier.

This same tier refers to the Martial Arts Realm, with no restrictions on the refined demon spirits' grades.

Therefore, even if you are extremely strong, you might encounter opponents who restrain your abilities, particularly for demon spirit masters.

Demon spirit's gifted skills are diverse, and some gifted skills just happen to restrain your performance.

It's not uncommon for a Fifth Grade Martial Artist to be restrained by soul skills from Fourth Grade or even Third Grade Martial Artists because of gifted skills.

One can imagine how extraordinary these two young men were.

One of them, 24 years ago, was Yan Hong, a junior at Great Wall University.

He challenged all students at the Fourth Grade Realm in Demon Star of the same tier.

After ten days, he succeeded in the challenge.

He requested a Fifth Grade demon spirit treasured by Demon Star University.

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