"Who are you!?"
Most of the people on the Going Merry had never seen Nico Robin.
But Luffy showed a surprised look: "Huh, how did you get on the ship?"
"Luffy, do you know her?"
"Yes, she's with Crocodile's crew."
"What!?"
In an instant, everyone entered battle readiness.
Zoro had already drawn his sword and pointed it at Nico Robin: "Are you here to avenge Baroque Works?"
"Wow… what a beautiful Miss." Sanji's eyes had already turned into hearts.
Just then, another arm grew out of Zoro's arm, knocking Zoro's sword to the ground.
"Don't point such a dangerous thing at me."
"When did you get on the ship?" Nami looked at Nico Robin warily.
"Ever since I escaped from the Alabasta royal prison, I've been here."
"What do you want to do?"
"Let me be your companion." Nico Robin sat on a deck chair, looking at everyone with a lazy yet elegant posture.
"Huh!?"
"That's great, we're going to have another beautiful Miss on our ship."
Except for Sanji, everyone else clearly couldn't trust Nico Robin.
"Why do you want to come on our ship?" Luffy asked.
"Because I'm already homeless," Nico Robin replied.
"Oh… I see, then there's nothing we can do."
"Hey, Luffy!" Everyone was speechless at how easily Luffy agreed to Nico Robin's joining.
"Oh ho ho…"
Just then, Rosen came out of the cabin.
"Looks like we have another companion," Rosen said with a benevolent smile.
Nico Robin's hair stood on end instantly, her original elegance and composure completely gone, as she suddenly stood up from the chair, her feet unconsciously stepping back.
"You… how are you here?"
"Of course I'm here, after all, I'm the vice-captain of the Straw Hat Crew," Rosen said angrily: "A newcomer should learn to respect their Senior, you idiot."
Nico Robin was very clear about how terrifying this old man in front of her was.
Crocodile was as docile as a lamb in front of this old man.
Such a powerful guy was actually the vice-captain of a small pirate crew.
"Grandpa, do you know her?"
"Of course, my last name is Roux, and her last name is also Roux, so we're relatives," Rosen said: "According to seniority, Robin should be considered my granddaughter."
"Hey, my last name isn't Roux!"
"Hmm?" Rosen's Mangekyo activated instantly.
One second later, Robin knelt on the ground, cold sweat pouring down her face.
"Sorry, my last name is Roux, Grandpa."
"Alright, let's start today's special training, Robin, you come too." Rosen looked at Robin and said: "Looking at your scrawny arms and legs, I know you haven't been eating well before, you need to make up for it from now on."
"The weather is so nice today, can't we rest for a day?" Luffy said weakly: "Besides, we have a new companion joining, we must celebrate."
"We can celebrate tonight."
"But…"
Stare! One second later, Luffy instantly curled up on the ground.
"I've improved the Armament Haki Cultivation method. All of you, remember it for me. If you haven't remembered it before the Sun sets, I'll smash your heads in."
Rosen then explained the Cultivation method once: "How much have you remembered?"
"Not a single word," Luffy replied.
"10%." Zoro.
"30%." Sanji.
"50%." Chopper.
"60%." Usopp.
"80%." Nami.
"I've remembered all of it," Robin replied.
"Oh?" Rosen turned to look at Robin.
Robin regained her composure and smiled back: "Is there a problem, Grandpa?"
"No, except for Luffy, you are responsible for making sure everyone else remembers it all by today," Rosen said.
Luffy's Aptitude was the best, but his brain wasn't used for storing things.
As for making him remember a three-hundred-word Cultivation method in one day, that was absolutely impossible.
"Wahahaha… Grandpa, do I not have to study?"
"No, I'll send you into the Tsukuyomi Space to study."
"Ah ah… Grandpa, I'll study hard, please don't send me into the Tsukuyomi Space."
Even the fearless Luffy was afraid of the Tsukuyomi Space.
"Hehe… your guarantee is completely unreliable."
Life on the calm sea was slightly monotonous.
This period of time was the best for their Cultivation.
"Little raccoon, come here."
"You damn old man, I'm a reindeer, a reindeer! Not a raccoon!" Chopper was no longer afraid of Rosen now.
"Do you want to learn other things?"
"Can it make me stronger?"
"Of course, maybe you can even become the strongest in the Straw Hat Crew."
Chopper's eyes immediately lit up as he looked at Rosen, his mind already fantasizing about the Straw Hat Crew encountering a powerful enemy, then Luffy, Zoro, and Sanji falling, and then he alone stepping forward to fight the strong enemy for three hundred rounds, ultimately saving his companions.
"Grandpa, can I also learn?" Robin walked over with a smile.
After two months, Robin could now fluently call Rosen Grandpa.
"You don't have that Aptitude."
Robin's gaze dimmed slightly, was she being excluded after all?
Rosen then said: "But I can teach you the same Five Elements Escape as Nami."
Rosen took out a Chakra test paper and handed it to Robin.
After checking, he said: "Yin, Yang, Water, Fire, Wind, Lightning, Earth! Hmm, how surprising, you're actually full-attribute."
Just then, Rosen opened the Twisting Space.
Although he only opened a small crack, Robin and Chopper both saw that the space was filled with twisted limbs.
Where was that? Was it Hell?
Rosen took out a Seal scroll containing a pair of Three-Tomoe Sharingan.
"Do you want to change your eyes?"
"Change eyes?" Robin looked at Rosen in surprise.
Rosen's eyes activated the Three-Tomoe Sharingan: "It's a pair of eyes like this."
"These eyes? Are they eyes used to cast genjutsu?"
"These eyes are not just for casting genjutsu." Rosen said: "These eyes possess powerful dynamic vision, and they can also continuously evolve, just like my eyes."
Rosen demonstrated the Mangekyo, Eternal Mangekyo, and Rinnegan.
"You possess the extremely rare full-attribute, so you have the chance to evolve these eyes to the level of the Rinnegan."
"What's special about the Rinnegan?"
"It's powerful, and of course, it also possesses certain special abilities. As for what those abilities are, you'll understand when your eyes evolve to that level."
"Okay, I'll change." Robin still made the decision.
The next moment, Robin felt a pain in her eyes, and then she fell into darkness.
"Ah… Grandpa, how could you do this to Robin?"
Chopper's cry attracted everyone's attention.
When they saw the bloody holes where Robin's eyes used to be, they were all startled.
"Robin-chan, what happened to you?"
"Robin-chan's eyes were dug out by Grandpa."
"Grandpa, what did Robin do wrong? Why would you do this to her? She's our companion."
"You damn old man, how dare you do something like this to Robin-chan, I'll never forgive you." Sanji was the most furious.
"All of you, shut up." Rosen glared at everyone, took out the Sharingan, inserted them into Robin's eye sockets, and then began to treat Robin's optic nerves with the Mystical Palm Technique.
After a few minutes, Robin finally regained her sight.
There was a hint of awe in her gaze towards Rosen.
"I can see."
"Huh, Robin, your eyes are so special." Luffy looked at Robin's Three-Tomoe Sharingan in surprise.
Robin was still trying to adapt to these new eyes. She could clearly feel that her vitality was being absorbed by these eyes.
Rosen cut his palm and extended it towards Robin.
"Absorb my blood."
"Ah?" Robin was a little at a loss.
"These eyes are not something an ordinary person can control. My blood can help you adapt to these eyes faster."
Robin hesitated for a moment, then still took Rosen's palm and put it to her mouth.
Rosen's blood didn't have the bloody taste Robin expected, and she even felt a hint of sweetness.
The blood didn't go into her stomach; after entering her mouth, she felt as if the blood had evaporated in her oral cavity.
And the stinging sensation in her eyes was also gradually disappearing.
Just then, Luffy exclaimed: "Oh my, oh my… Robin's eyes have become like Grandpa's."
Because she absorbed Rosen's blood, Robin's eyes had already begun to evolve into Mangekyo Sharingan.
Robin immediately understood the ability she had just gained.
"Continue, absorb until your eyes evolve to the next stage."
Robin held Rosen's palm and gnawed on it for half an hour. Finally, the Mangekyo in her eye sockets began to spin rapidly.
Then the patterns in her eye sockets became more obscure and complex.
Rosen then withdrew his palm: "How do you feel now?"
"Grandpa, I feel your blood is still in my body and hasn't been fully absorbed."
"That's natural, after all, that's my blood." Rosen said: "Find a nearby small island."
"Grandpa, what are we going to do?"
"Subdue a monster for Robin."
"Subdue a monster? What kind of monster? Where?" Luffy had already transformed into a curious baby.
"You'll know when we get there."
Coincidentally, a not-so-small island appeared not far from them.
After the Going Merry docked by the island, everyone disembarked.
"This looks like a Sky Island, uninhabited."
"Let's do it here." After Rosen stood firm, he looked at everyone: "Next, I will release a monster, and you need to subdue this monster."
Rosen released a One-Tail Shukaku with a height of fifty meters.
And the moment the One-Tail Shukaku appeared, everyone was startled.
Roar—
"Go on, what are you waiting for, defeat it with all your might."
This One-Tail Shukaku was a weakened version of a Tailed Beast, its strength half that of the One-Tail Shukaku in the Naruto World.
It had a flaw, which was that it couldn't grow.
Rosen planned to give Robin a Ten-Tails, but this Ten-Tails wouldn't have the growth potential of a true Ten-Tails.
Rosen could split countless Ten-Tails, after all, for Rosen, as long as the Origin of the Ten-Tails wasn't split, he could split off a Ten-Tails every now and then.
Of course, besides lacking growth potential, the Ten-Tails would have all its other effects, such as immense Chakra and super-high Chakra recovery speed.
It's just that the current Robin wasn't strong enough to subdue the Ten-Tails, so Rosen planned to split the Ten-Tails and give them to Robin one by one, starting with the simplest One-Tail.
Robin stood beside Rosen: "Grandpa, what is this monster?"
"It's called One-Tail Shukaku. In the future, it will be Sealed within your body. There are a total of nine such Tailed Beasts. When the nine Tailed Beasts merge into one, they will fuse into the Ten-Tails. By then, your eyes will also evolve again, but this requires you to master your current eyes, my blood, and control the nine Tailed Beasts."
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