Birka is a small Sky Island located at the same altitude as Angel Island, positioned to the south.
Just as Enel knew about Angel Island, the residents of Angel Island were also well aware of Birka's existence.
To be precise, the inhabitants of several Sky Islands surrounding Angel Island all knew of one another.
In addition to Angel Island and Birka, there was also Upper Yard—the ancient landmass that had been washed into the sky hundreds of years ago.
Several Sky Islands, including Angel Island and Birka, were located along a route known as the High West.
The High West route was the second way to reach Sky Island, aside from the Knock Up Stream.
Strictly speaking, traveling via High West was the best and safest method to enter the Sky Islands.
Using the Knock Up Stream, on the other hand, was the most dangerous approach—its survival rate was extremely low.
After learning all of this from the shop owner, El paid for a map of Birka.
At the same time, the three girls also purchased two Wavers and various types of Dials.
After finishing their preparations, the four bought food and water and set off for Birka.
As for how El already knew about Birka—or why he was in such a hurry to go there—the three girls didn't ask.
While on Lovely Street and in the marketplace, El had deliberately touched several local residents in front of them.
To the girls, these actions clearly meant one thing—
El had read their memories.
Given that, his sudden lack of interest in further investigating the City of Gold, and his urgency to head straight to another Sky Island, made sense.
Carina did find it a little strange.
Was it really possible to obtain such important information just by touching a few people?
But she didn't ask.
She only needed to know one thing—
Whatever El did, it would never harm them.
Because of the girls' growing trust and understanding, El had gradually stopped putting on too many acts.
One day, when he could freely control his ability, he planned to explain everything—and apologize.
Although the Wavers of this era were only equipped with ordinary Breath Dials, rather than the rare Jet Dials, their speed was still far faster than ordinary ships.
The distance between Angel Island and Birka wasn't very far.
Riding along the cloud path, the four took only half a day to arrive at Birka, located to the south.
Like Angel Island, Birka also had a pure white beach and buildings painted in various bright colors.
After parking the Wavers on the shore, the four headed straight toward the city.
Birka was also a Sky Island on the High West route.
The locals showed only mild curiosity toward the four newcomers—there was no hostility or exclusion.
Seeing this, El couldn't help but sneer inwardly.
For Vearth people—outsiders without wings—there was no discrimination.
Yet for wingless Sky Islanders, the same people showed nothing but rejection.
With such blatant double standards, it was no wonder that Enel—who had been bullied here for over twenty years—would destroy his own homeland the moment he gained power.
Since it was already getting late, the four found a hotel and settled in.
Once inside, El released his Observation Haki at full power.
It didn't take long for his expression to darken.
Within his perception—covering all of Birka—there was a single, extremely strong and unique aura, standing out among countless points of light.
When El focused his Observation Haki—
A scrawny young man living alone in a wilderness area far from the city instantly appeared in his "sight."
That man was the final boss of the Skypiea Arc—
Enel, the one who would eventually eat the Goro Goro no Mi.
"…Fortunately," El muttered inwardly,"this aura doesn't seem to belong to someone who's had a Devil Fruit for long."
Despite possessing such a powerful aura, the man's body was still thin and underdeveloped.
That alone proved that Enel had only recently obtained the Devil Fruit—
And likely didn't even know what he had eaten.
Anyone with even the slightest understanding of Devil Fruits—and the sheer absurdity of elementalization—would not continue living in the wilderness like this.
From that, El concluded that Enel had not yet learned how to use the Goro Goro no Mi.
He certainly hadn't developed terrifying applications like electromagnetic fields, radio waves, electrotherapy, or electrothermal control.
In the original timeline, Enel only mastered Mantra (Observation Haki) and began constructing the Ark Maximafter realizing the true extent of his power in Birka.
That realization was what drove him to leave.
Which meant—
Now was the best time to kill him.
Without the slightest hesitation, El acted.
Under the puzzled gazes of the three girls, he opened his backpack, took out a pair of Seastone handcuffs, and fastened them to his belt.
"I'm going out," he said calmly."Carina—while it's still light and the shops haven't closed, go buy a large box. Then wait for me in the room."
"Ah… okay…"
The three girls responded instinctively.
By the time they realized what was happening—
El had already turned into an afterimage and vanished through the window.
"A large box…" Carina murmured, eyes glinting."Looks like Nii-san has found a Devil Fruit user on this island."
The corners of her lips lifted slightly.
"No wonder he suddenly lost interest in the City of Gold and rushed straight here. So that's it—he's here to hunt someone."
"Really?" Nami asked curiously."There's a Devil Fruit user on a Sky Island ten thousand meters above the sea?"
"I don't know," Carina shrugged with a smile."After all, Devil Fruits are treasures of the sea."
"But one thing I'm sure of," she continued,"Nii-san was so anxious that he couldn't even wait until tomorrow. He brought us here and immediately started searching."
"The Devil Fruit of that person…"
"It must be very powerful."
PS :
Birka (Sky Island) – Southern Sky Island on the High West route
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