Sky Island, Gods Island.
Thunder God Palace.
Inside the ten-meter-high luxury dining room, the carved dining table was spread with shimmering meals and fine nectar.
Crystal clear juice in silver cups, sizzling roasted meat on cloud trays, stewed fresh scallops wrapped in sauce, and all kinds of delicacies were a feast for the eyes.
However, in Seven's eyes, these foods revered as treasures were barely half as good as his own culinary skills.
Yet, they could still be considered genuine delicacies.
Successfully awakening Armament Haki was worth giving himself a full half-day holiday to slow down the pace of eating and indulge in luxury.
Seven picked up the silver cup and took a sip, his gaze sweeping over Shani, who stood by his side with her eyes downcast.
"Sit down and eat together."
"Yes, Lord Thunder God."
Shani smoothed her skirt and stepped forward to pull out the chair, her movements gentle yet unable to hide her restraint.
Endless small talk accompanied the crisp clinking of cups; Shani would occasionally talk about the local customs and interesting stories of Sky Island, while Seven recounted his experiences on the sea.
Since becoming the God of Sky Island, he had never chewed so finely or tasted food so elegantly.
This dinner lasted for a full two and a half hours. The relaxed atmosphere was like the clouds flowing in the restaurant, making one completely forget the passage of time.
The plates were cleared, and the tabletop returned to its neat state.
Shani looked up, her clear eyes reflecting the fragmented light of the cloud crystal chandelier: "Lord Thunder God, I... can I follow you to learn swordsmanship?"
"Swordsmanship?" Seven put down the silver cup in his hand, "Why do you want to learn that?"
Shani's voice became a bit clearer than before: "I want to become stronger... I want to protect Sky Island like you."
Seven rubbed his brow: I may not be a Great Swordsman, but I am a Swordsman; I shouldn't lead her astray.
Protect Sky Island? It seems Gan Fall's propaganda was very effective: Kizaru was successfully portrayed as an evil villain trying to invade Sky Island.
Beelzebul, the Thunder God who drove away the evil villain Kizaru, naturally became the guardian deity of Sky Island.
"Go back and rest early. Come here with Sharu tomorrow morning."
"Thank you."
If Shani wanted to learn anything other than swordsmanship, Seven really couldn't teach her. His only presentable Conquerors Haki Coating requires awakening Conqueror's Haki first.
He had just started with Armament Haki, so he couldn't teach that either.
Devil Fruit ability development? Don't even think about it.
Seven's development of the Rumble-Rumble Fruit was still in the basic stage; he couldn't even generate magnetism from electricity.
Sitting on the dining chair, with various colored sparks jumping at his fingertips, Seven was trying to generate a magnetic field with electric current.
As the saying goes, electricity and magnetism are inseparable.
Where there is electricity, there is magnetism, and where there is magnetism, there is electricity.
This statement is actually not entirely correct; only moving charges or changing electric fields can produce magnetic fields. There is no magnetic field around stationary charges.
And as for generating electricity from magnetism—
Only when magnetic field particles move at a certain speed can the kinetic energy generated be greater than the inertia of the electrons, thereby pushing the electrons to generate electricity.
In short, if Seven wants to generate a magnetic field from electricity, he needs to get the charges moving.
Relatively speaking, it's quite simple.
The reason he wanted to generate magnetism from electricity was inspired by the Railgun listed on the trading platform.
[Railgun: 20,000 points. The electric light jumping at your fingertips is my eternity-unchanging faith. Seller's message: Only my Railgun shall live forever.]
I mean, who doesn't love Biribiri?
As long as he develops the Rumble-Rumble Fruit to a certain extent, Seven can completely rerun the Railgun, the kind where he doesn't even need to flip a coin.
Well, flipping the coin is the soul of it.
Generating magnetism from electricity and then releasing the Railgun is one of Seven's ideas for the development direction of the Rumble-Rumble Fruit.
Besides that, after mastering electromagnetism, it's not impossible to receive electromagnetic waves and brain waves, thereby greatly enhancing Observation Haki.
Telepathy would then be possible.
Also, the speed of light and electromagnetic waves are the same; light itself is a type of electromagnetic wave.
These are the subtle developments of the Rumble-Rumble Fruit. As for larger and stronger aspects, Seven currently only has ideas like El Thor and Thunder God Form.
El Thor, the ultimate move developed by Eneru in the anime, is one of the few final moves in the Pirate World that can destroy an island in one hit, rivaling Ancient Weapons.
In the future, if he encounters a big scene like the Marineford War, Seven can totally drop a El Thor.
Whether it can explode or not is another matter, but the deterrent power is definitely maxed out.
The Thunder God Form is the direction Seven set for the development of the Rumble-Rumble Fruit by referencing Susanoo; it currently only exists in his imagination.
As for the higher-level Rumble-Rumble Fruit Awakening, Seven doesn't have a single clue. However, he estimates that the System Mall should sell Fruit Awakening.
50,000 points? 100,000 points?
It's a bit too far away for him at the moment.
Putting away his overambitious thoughts, Seven flashed to the bedroom at the dome of the Thunder God Palace and fell asleep, pillowed by the starry sky.
In the courtyard to the west of the main hall of the Thunder God Palace, two chattering voices broke the silence of the night.
"Sister, I can't sleep."
On the pure white bed, Shani held her knees with both hands, squeezing those waves into different shapes.
Sharu, who had short hair, ignored her sister's unfair figure and looked down at her own flat chest.
"Sleep if you want, or don't."
...The next day, the dawn lit up the White Sea.
Thunder God Palace, Training Ground.
Seven was dressed in black martial arts attire, holding a wooden sword. He casually swung a Flying Slash and then looked calmly at Shani and Sharu.
"The core of the sword is intent and momentum, not brute force."
"Of course, if your strength is great enough, you can also create miracles with great force."
"According to the method I just taught you, swing your sword ten thousand... three thousand times every day from now on."
The sisters were also dressed in black martial arts attire, but they wore it with completely different charms: Shani was curvy, and her whole body seemed to have a magnetic magic that attracted gazes, while Sharu had a youthful but stubborn heroic aura.
"Yes, Lord Thunder God."
Teaching these sisters swordsmanship was just a casual pastime for Seven.
He didn't care what they could learn, nor did he expect these two young girls to become top combatants; it was just a bit of decoration for his boring cultivation.
On the other side of the Training Ground.
Thirty Thunder Cloud Guards were dressed in silver armor, holding spears embedded with slash pills. Their formation was as neat as pine trees, waiting solemnly for the Lord Thunder God's inspection.
Seven flashed to the front of the Thunder Cloud Guards and casually took out a black cloth from the System Space to blindfold his eyes.
"From today on, use the weapons in your hands to attack me. I will not fight back."
"Yes! Lord Thunder God!"
Thirty voices were uniform, making the air vibrate slightly.
After more than three months of adjustment, Seven had already subdued the Thunder Cloud Guards with absolute force. Now, the Thunder Cloud Guards only had absolute awe and obedience toward him.
After awakening Armament Haki.
Seven turned his goal toward Observation Haki. He chose the most direct and simplest way to explore: taking a beating.
The black blindfold cut off his vision. Seven actively turned off his ability to predict with electric waves, completely emptied his mind, and used only his physical body to perceive the flow of everything around him.
The trajectory of the wind, the vibration of the air, and the breath and heartbeat of the thirty Thunder Cloud Guards all became clear in his perception.
"Clang—Clang—Clang—"
Sharp slashes released by the slash pills landed on Seven one after another, the crisp sound of metal clashing echoing in the Training Ground.
Those attacks, which were enough to split Cloud Rocks, landed on the Iron Balloon body without even leaving a white mark, leaving only dull thuds.
The movements of the Thunder Cloud Guards all paused. Their hands holding the weapons tightened involuntarily, their eyes full of disbelief.
"Continue."
Clang~ Clang~ Clang~
Every time he dodged an attack, it helped Seven polish his perception, making his capture of aura increasingly sharp.