Tobirama Senju raised one finger and said, "The first possibility is this: Haki is a power unique to the world of One Piece, so when you entered that world, you gained the ability to learn and wield it."
"In that case, awakening Conqueror's Haki wouldn't be impossible."
"And not just you. If the rest of us entered the One Piece world, we should also be able to learn Haki."
Hearing that, Rowan turned to look at Hashirama.
As the God of Shinobi who had pacified the ninja world and ended the Warring States era, if everyone who entered the One Piece world could awaken Haki, then there was no reason Hashirama wouldn't be able to.
Seeing Rowan's gaze, everyone else looked at Hashirama too.
In their eyes, Hashirama definitely had what it took to awaken Conqueror's Haki.
But Hashirama shook his head. "No. I can't even sense what Haki is right now, much less awaken it."
Tobirama sighed. "Then there's only the second possibility left."
"What is it?" Rowan asked.
Tobirama didn't answer directly. Instead, he said, "Before I confirm it, there's something I want to test."
Rowan looked at him curiously.
Tobirama then taught Rowan the Senju clan's secret chakra extraction technique.
"Try it," he said. "See whether or not you can extract chakra."
"Me???"
Rowan was baffled.
He wasn't from the ninja world. How could he possibly extract chakra?
A thousand years ago, Hagoromo Ōtsutsuki—the Sage of Six Paths—shared chakra with the people of the ninja world.
But even after chakra had been passed down in that world for a thousand years, there were still plenty of ordinary people who had no ability to extract it.
So how could an outsider like Rowan manage it?
Even Nico Robin, with her absurd physique, had only gained the ability to extract chakra after Tsunade injected her with cells and gave her part of the Senju bloodline.
So how could Rowan, a pure Earth human, possibly extract chakra?
Even Tsunade said from the side, "Exactly, Granduncle. Rowan hasn't been injected with a ninja's cells or gained any bloodline. How could he possibly extract chakra?"
Tobirama said nothing. He just kept urging Rowan to try.
With no other choice, Rowan did as he was told and gave it a shot.
Half an hour later, Rowan opened his eyes, his expression extremely strange.
"Well? It failed, didn't it? I told you something like this was imposs—"
"No. It worked."
Before Tsunade could finish, Rowan cut her off.
"Huh?"
Tsunade stared at him in disbelief. "What did you just say?"
"I succeeded. I extracted chakra."
Rowan looked just as stunned as she did.
Tsunade suddenly lunged forward and grabbed Rowan, examining his body. It didn't take long before she found it.
Chakra.
Very little of it—so little it was almost negligible.
But there was no doubt about it.
It was real chakra.
Genuine chakra.
"How is that possible?" Tsunade found it unbelievable. Chakra was a gift the Sage of Six Paths had left to the ninja world, so what right did someone with no connection to that world have to extract it?
Hashirama was curious too. "Tobirama, what exactly is going on?"
Tobirama said, "This is my second theory. Rowan's ability doesn't seem to stop at world travel, communication with the people of those worlds, and understanding their language."
"If I'm right, then once Rowan enters a world through a door, he automatically acquires that world's traits."
"To put it simply, after entering the Naruto world, he gained the qualifications needed to extract chakra, even though he isn't from our world."
"And by the same logic, after entering the One Piece world, he gained the traits of that world as well—meaning he could awaken Haki and even learn how to use it."
"That's why Rowan was able to awaken Conqueror's Haki."
Well damn…
So there was a benefit like that too?
Didn't that mean if he entered the Dragon Ball world, he could learn ki? And if he entered the Saint Seiya world, he could learn to awaken his Cosmo?
Ki aside, just think about Saint Seiya.
That world was a full-blown mythological universe. Everything there, whether people or matter, had been created by the gods.
That was why people in Saint Seiya could awaken Cosmo.
But people from other worlds normally wouldn't have that ability.
And now, as long as Rowan entered that world, he would automatically gain the qualifications to learn Cosmo…
That was amazing.
He really hadn't expected his ability to have that kind of advantage.
Looks like he had seriously underestimated it.
Then again, if the damn thing had just come with an instruction manual, he wouldn't have had to stumble around blindly the whole time.
Why couldn't his cheat power have just been a proper system?
Orochimaru flicked out his tongue and said, "Interesting. If the Second Hokage is right, and Lord Rowan's door really has that kind of special effect, then doesn't that mean we should also be able to learn Haki?"
"After all, when we passed through the door, we also gained the ability to communicate with people from other worlds and understand their writing."
"Wouldn't that mean Rowan's door granted us similar traits as well?"
Tobirama folded his arms and said coolly, "That does make some sense. Since we also passed through the door, we should have been given similar traits."
"But in reality, my brother never awakened Conqueror's Haki."
"That means we were not given the same kind of trait."
Tsunade said, "Could it be that Grandfather simply never thought about that kind of thing, so he never awakened Conqueror's Haki? After all, even Rowan's Conqueror's Haki awakened by accident."
Tobirama nodded. "That's possible."
Then he turned to Rowan and said, "Lord Rowan, can you use your Conqueror's Haki to pressure my brother and see if that stimulates his awakening?"
Most people awakened Conqueror's Haki in the middle of conflict.
As long as you had the potential for it, you could awaken it under pressure.
And Hashirama Senju, as the God of Shinobi, unquestionably possessed that kind of quality.
Rowan agreed without hesitation. He also wanted to see whether Hashirama could awaken Conqueror's Haki.
Boom!
In the next instant, black-red lightning erupted again, and Rowan's Conqueror's Haki slammed down on Hashirama.
Hashirama couldn't help letting out a muffled grunt.
This time, he finally felt an overwhelming pressure unlike anything he had ever experienced.
Under that pressure, Hashirama felt his soul shaking, while dust began flaking off his body as if he might return to the Pure Land at any moment.
Everyone watched Hashirama closely.
Several minutes passed.
Hashirama slowly adapted to Rowan's Haki, but still didn't awaken Conqueror's Haki.
"Stop."
~~~
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