Enhancement Type—this category is widely recognized as the most suitable for combat, with its aura's core function being enhancement.
The force behind a punch, the speed of a sprint, the reactivity of nerves, and even more abstract faculties like memory, perception, discernment, intuition, and observation—all these physical abilities fall under the scope of enhancement.
And this enhancement doesn't just apply to oneself—it can also be used on objects. However, enhancing external items is more mystical and demands deeper understanding from the Nen user.
This was a massive shock to Kevin Carpenberg, who was still learning the basics of Nen under the guidance of Biscuit.
However, when he later learned that Emission-type users could use their aura to achieve teleportation and create spatial effects, he was no longer surprised.
Especially when Biscuit went on to describe the peculiar abilities that Conjuration-types could display.
Things like predicting the future, stopping time, and even making wishes—powers that sounded almost too fantastical to be real.
Only then did Kevin truly understand that Nen was something entirely different from the "Qi" practices he remembered.
This world was brimming with danger.
Knowing this, Kevin's heart sparked with ambition. He wanted to create a Nen ability that perfectly suited him and would allow for limitless growth.
Since Enhancement types could even reinforce these vague and abstract abilities, then enhancing his own learning capacity shouldn't be out of the question.
But Kevin didn't aim to boost his learning ability across the board—he intended to focus solely on enhancing his body's muscle memory.
What is muscle memory? At its core, it's a form of neurological memory formed through the synergy of the brain and nerves.
The brain is a miraculous thing—it adapts and learns even beyond conscious awareness.
It optimizes nerve pathways, cutting out inefficient or erroneous routes.
With repeated practice, it forms reflexive responses.
Before the mind even finishes reacting, the body naturally executes the right movements—as if the muscles themselves remember.
And because it skips the thought process, muscle memory is lightning fast.
This was the ability Kevin wanted to enhance—to take muscle memory to a level even he couldn't fully comprehend.
He sought to instantly form these conditioned responses without the need for endless repetition.
With this, he could internalize even the most esoteric concepts—allowing him to interact with different Nen systems.
Once the muscle remembered, Kevin could then study and fine-tune the effects, creating the exact results he envisioned.
To create a Nen ability like this, Kevin needed deep understanding of both the behavior and its processes. After all, Nen abilities don't come from nothing.
Take Transmutation-types for example—they change the properties of aura.
They can transform aura into fire, electricity, water, mud, or give it sharpness, hardness, elasticity, etc. The aura remains aura, but with changed characteristics.
To achieve this, the user must have deep familiarity with the object or element they want to emulate—otherwise, the transformation won't succeed.
The same goes for Conjuration-types.
To conjure an object, the user must know it inside out. Touching, feeling, dismantling—it all forms the foundation of conjuration.
And Kevin was already used to that process.
His soul had transmigrated into this body. At first, he had no memory and was awkward with its control.
As he gradually retrieved fragments of memory through various stimuli, he explored the body's muscle memory through many methods.
In the course of that self-training, he thoroughly internalized the process, laying a solid foundation for his Nen ability.
And this particular Nen ability was deeply compatible with the characteristics of the Enhancement type—simple, straightforward, without any fancy gimmicks. That meant Kevin didn't need to rely on Restrictions and Vows to achieve what he wanted.
As his strength grew, the muscle memory generated through Nen would also become stronger.
And if ever caught in an unexpected crisis, he could fall back on Restrictions and Vows to further empower his Nen ability.
This gave him a wide space to develop, without being overly constrained.
Biscuit had also taught him:
You don't need to create a perfect Nen ability all at once.
All you need is a prototype—a clear developmental direction.
As long as you stay true to that path, with age, deepening understanding of Nen, and accumulated practice, the ability will naturally grow more powerful and refined.
Many people take unorthodox routes, trying to build their own Nen abilities without sufficient training or understanding, only to limit their own potential.
Nen abilities are like chip slots—your brain is the motherboard, and the slots are limited.
So choose carefully what kind of chip you want to insert. Once inserted, it's locked in.
Kevin's Nen ability, on the other hand, perfectly complemented his strengths.
"A Moment's Dream", his natural finesse with aura control, and his 80% efficiency across all non-primary types.
All of these advantages could now be fully brought into play.
The successful development of the Perception Potion allowed Kevin, through his Nen ability A Moment's Dream, to craft potions imbued with Nen characteristics.
For fifteen minutes after consuming one of these potions, while within that momentary dream, his body's muscle memory would rapidly activate.
The special memories produced during that moment would be stored in his body. Naturally, he might not be able to remember everything in those fifteen minutes—but it was a potion.
Kevin could create multiple doses using his alchemy table and materials.
As long as something could possibly be remembered, the success rate could be increased simply by drinking more.
The key was making the breakthrough from zero to one—a step he could take through his Nen ability.
Even if some ingredients were incredibly rare or hard to obtain, Kevin could substitute with similar-effect materials to craft potions of comparable results.
With repeated consumption and experiences, his body would remember more and more, and it would all become more refined.
Finally, using his natural gift for controlling aura, he could make minute adjustments to achieve the exact effect he desired.
And for these memorized characteristics to be used properly, Kevin had one last advantage to rely on:
His 80% efficiency with all types outside his main one.
After all, aura transformations are all geared toward various Nen categories.
For example, a Strength Potion clearly falls under Enhancement-type usage.
Whereas a Perception Potion leans more toward Transmutation.
Thus, he created a perfect cycle:
Potion consumed → Nen ability Memory → Control and alteration of Properties → 80% efficiency Activation.
Kevin had already named this Nen ability:
Blank Meteor.
A Moment's Dream + Blank Meteor—the synergy between the two was sure to exceed his expectations.
But to be honest—
Is Blank Meteor inherently powerful?
Not exactly. It's Kevin's talents and the way it complements A Moment's Dream that makes it seem so strong.
With all thoughts in order and every condition prepared—
It was time to begin the construction.
Over the next few days, Kevin underwent intensive training, refining his Nen ability into the shape he envisioned.
And just as he expected, the process went smoothly with few obstacles.
Now, it was time to test what this newly formed Nen ability could actually do.
He had already picked out the potion for the experiment.
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