One piece: I,Akaino will not die easily

Magma, magma—Sakazuki, as a Logia-type Magma-Magma Fruit user, was more familiar with this natural substance than anyone else. His development of the fruit had ranged from large-scale destruction in battle—killing and setting fires—to the finer details of daily life, such as boiling noodles and making coffee.

Even compared to Kuzan, who excelled at precise control of his Devil Fruit, he could be considered on equal footing. Even Borsalino, who relied on the Glint-Glint Fruit, couldn't help but praise Sakazuki's mastery of his fruit's abilities.

The highly destructive, scorching magma made him a nightmare for enemies, whether in close combat or long-range bombardments.

When he infused his punches and kicks with his fruit's power, the terrifying heat of over a thousand degrees Celsius and the magma's adhesive nature meant that even if an opponent wielded Haki, they would have to seriously consider whether their Armament Haki was strong enough to withstand it.

At medium and long ranges, the Magma-Magma Fruit also displayed terrifying suppressive power. Whether it was launching massive magma fists through eruptions or simulating volcanic explosions to fire volcanic bombs at high angles into the sky, all were devastating techniques. From a military standpoint—emmmm—it was effective both against ground and aerial targets.

But at this moment, Sakazuki deeply regretted that, before his transmigration, he hadn't been an excellent geography, physics, or chemistry teacher. Because magma was a subject that involved many disciplines, and its application potential was vast.

Even though his current techniques were incredibly powerful, they were essentially only basic applications of magma's properties.

Magma, magma—but one must never take its literal meaning to simply refer to a liquid.

In geological terms, this professional term referred to molten or partially molten rock beneath the Earth's crust. A more precise definition would be to call it a magma fluid.

Sakazuki stood at the crater of an active volcano, peering down into its depths. Since he was, in a way, a "native" of wild magma, the Logia user transformed into his elemental state and leaped down from the crater, sliding onto the dimly glowing surface of the magma lake.

In his previous world, even when he traveled to volcanic sites, he could only observe from a distance. He never had the opportunity to get this close.

His only option was to use this foolish method of direct observation—studying the activity of magma in nature—to gain a deeper understanding of what exactly he had become after Logia transformation.

Then, Sakazuki realized that Oda, that damn old thief, had completely misled him. Because, in reality, the nature of the Magma-Magma Fruit aligned more closely with the high-temperature liquid found deep within the Earth's mantle and the asthenosphere of the crust. And what he had been using on the surface all along was—damn it—lava!

Magma and lava—seemingly similar terms, but with significant differences.

He still remembered a concise and well-refined explanation from his geography teacher back in the day: What is lava? It's magma that has erupted onto the surface, but lava is not truly magma.

Once magma comes into contact with air, it turns into lava. During the eruption process, as the pressure suddenly drops, a large amount of volatile matter escapes, leaving behind only a substance that most closely resembles magma.

The relationship between the two was one of inclusion—the broader category and its subset. Magma could migrate to different depths of the crust due to tectonic activity, cooling and crystallizing underground, or it could erupt onto the surface and solidify into lava.

This convoluted explanation had left the transmigrator baffled back in the day. So, his geography teachers resorted to a killer analogy—one crude but effective:

When a man goes through puberty and his secondary sexual characteristics mature, the sperm inside his body remains active for a long time. But once it is ejected and exposed to air, the sperm cells theoretically won't survive for more than a few minutes.

Recalling his teacher's earnest lessons, Sakazuki was unsure whether magma and lava were that impressive—but that beautiful geography teacher from back then was truly legendary.

The Vice Admiral slowly lowered his gaze to his own abdomen. In other words, what was inside his body was magma, and once it interacted with the outside world, it became lava?

Previously, he had been puzzled as to why he, as a transmigrator, had managed to replicate all of the original Akainu's known techniques within just a few months.

But now, it seemed that it wasn't because of some extraordinary talent. The original Akainu had painstakingly developed his techniques from scratch, refining them step by step over time.

Meanwhile, as a transmigrator, Sakazuki had essentially been borrowing achievements that weren't his own—standing on the shoulders of a giant to build upon existing foundations. By applying precise control over his fruit's power and integrating his knowledge of geology, physics, and chemistry, he had simply recreated the techniques already imprinted in his mind.

Apologies, but with knowledge, one truly could do whatever they pleased.

The Logia user stepped onto the surface of the magma lake. The texture of the lower-temperature lava—thick, viscous, and firm—confirmed that lava had two to three times the density of water and the human body.

The way cooler lava absorbed impact and dispersed force was not bad. Integrating it into his offensive and defensive techniques might not be the worst idea.

But… was he really going to go full Four-Tails mode and cover himself in a Lava Release armor? Relying on Armament Haki to become an indestructible, slow-moving turtle?

"Magma at different temperatures evolves different properties," he muttered, suddenly freezing in place.

Sakazuki had countless combat skills from anime and games in his mind, but he needed to stick to basic scientific principles!

He patted his head, feeling a sense of relief. Previously, he had been trapped in a narrow mindset—limiting himself to the techniques found in anime and games. He had almost lost sight of the bigger picture.

Here was a simple example: Magma was about 100,000 times more viscous than water.

In other words, the development of his Magma-Magma Fruit needed to be split into two major branches—internal magma effects and external lava-based temperature transformations.

And this was only considering geological and geophysical factors. He hadn't even touched upon its potential in chemistry and physics.

Suddenly, Sakazuki had an epiphany—he finally understood why the Magma-Magma Fruit was ranked above the Flame-Flame Fruit.

In his memory, the Flame-Flame Fruit was based on combustion. He had previously speculated that it could theoretically break through temperature limits.

So why was a fruit with a temperature range between 700 to 1500 degrees Celsius considered superior to the Flame-Flame Fruit, which should theoretically be capable of reaching thousands or even tens of thousands of degrees Celsius?

The Magma-Magma Fruit, as one of the highest-tier Logia fruits, not only possessed deadly high temperatures and kinetic energy but also wielded the full power of volcanic phenomena, effortlessly mimicking eruptions.

At its deepest level, its development involved a dual nature—the properties of mantle magma and surface lava—along with an interdisciplinary study of physics, chemistry, and geology.

Simply put, the more comprehensive his scientific understanding, the more he could unleash the true might of the Magma-Magma Fruit. Anime and games provided the form, but scientific theory provided the foundation!

And in the original story, Akainu clearly lacked access to the vast information streams of the 21st century and the countless studies conducted by scientists.

Sakazuki let out a soft sigh:

Knowledge truly is power.

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