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--- Chapter 499 ---
"Okay, let's do this." Naruto and Kurama nodded at each other. They had a faint smile on their faces.
Under everyone's gaze, Naruto and Kurama fist-bumped again. However, a surge of power appeared this time, summoning the Unshackled Nine Tail Spirit and Naruto's Martial Soul, True Yang Shadow.
Yes, Naruto named his Martial Soul True Yang Shadow. It manifests his extreme usage of Shadow Clone Jutsu, Immense Yang Chakra, and faint yet concentrated Six Path Chakra.
Six spirit rings appeared under Naruto's foot and slowly rose, blinking their black lights to the surrounding area. In fact, Naruto's fifth and sixth spirit rings had already faint redness, indicating their ages were ultimately close to the 100,000-year-old mark.
Roar!
The Unshackled Nine Tail Spirit roared a delightful cry as it rapidly blazed with sacred white flame and rushed to the True Yang Shadow, merging into the humanoid Martial Soul.
A bright golden light exploded as a tall figure walked out from the white mist, revealing his armored look with nine swaying golden tails behind his back.
"Oh, interesting... Is this considered Baryon Mode?" Yunlong commented with a snicker.
The Spirit Fusion between Naruto and Kurama's Martial Souls appeared to be Naruto when he entered the Baryon Mode. The only difference is that "Naruto" here wears white long-sleeved clothes, black pants, and draped with golden cloaks.
On top of the fox characteristics like ears, eyes, and tails, this "Naruto" also has six rose-golden halos and slender dark-golden chains wrapped around his limbs, making him look divine.
Of course, they don't know about "Baryon Mode" because they haven't reached that step yet.
"Baryon Mode?" Naruto and Kurama couldn't help but change their expressions upon hearing this term.
Naruto couldn't understand it, but Kurama obviously knew.
Kurama had always thought of a method to save Naruto when he was in danger. So, he began to learn about science in silence and discovered the Baryon Theory, where he could sacrifice his energy and combine it with Naruto's energy to create a new type of energy.
In theory, this brand-new energy is much more 'powerful' than all Chakra and could even break the Otsutsuki's defense.
But theory is theory. Naruto has never faced any life-threatening danger, so Kurama has never initiated this plan.
Well, he did once. Kurama was ready to use "Baryon Mode" if Yunlong and others were hostile to Naruto. However, he felt Naruto couldn't win even if they used this untested method.
Kurama stared at "Naruto" and couldn't help but feel emotional, "So, this is what would happen if we use Baryon Mode. The new-type energy should be a higher form of Chakra, draining the essence of others."
"You're not wrong, but not entirely correct either." A surprised but stern voice commented.
Kurama turned around and saw Gu Yuena frowning at him, causing the reincarnated fox to shiver.
Cough!
"Please enlighten me, Mistress." He cleared his throat.
Gu Yuena stared at the "Naruto" and said, "Your Spirit Fusion with Naruto can be considered a Divine Fusion, but you couldn't tap into it completely yet."
"The energy you sensed coming from "Naruto" isn't Chakra or Spirit Energy, but Divine Energy... A higher, more refined version of Spirit Energy."
"We also called it Immortal Qi."
"Divine Energy, that's so awesome!" Naruto felt good. He stared at "Naruto" and nodded in satisfaction.
Gu Yuena rolled her eyes and snorted at Naruto, "You two are birds of the same feathers, foolish. Have you not noticed the other quality of your Spirit Fusion?"
"I see... Your Spirit Fusion is a medium for your Martial Souls, a being you can summon to fight with you." Sasuke finally opened his mouth. "Just like a summoning beast!"
Naruto and Kurama felt a connection to "Naruto" and acknowledged this sensation just like a summoned beast. They also sensed they could use other's Spirit Skills through "Naruto" subtly.
Kurama lifted his hand and snapped his finger, creating a large shockwave that shook the air near him.
Naruto stared at this blankly, "That's my 1st Spirit Skill: Shockwave."
"See... The specialness of your Spirit Fusion is more than that." Gu Yuena placed her hands on her hip. "But this is no good as you two haven't truly explored its potential."
"Now, let's test how durable this fellow is."
Hearing this, Naruto and Kurama broke into cold sweats. They didn't feel good about this.
Gu Yuena smiled faintly and tapped her feet on the floor, creating a golem of earth and water elements. The golem burst with red flame and slowly condensed into a humanoid form around the size of an adult man with a smooth porcelain body and glowing red eyes.
"What is this?" Dong Chan asked with interest.
Yunlong also saw the golem with a weird look, 'Since when did Gu Yuena learn about Shinobu World's artistic concept of Ninjutsu?'
Although Shinobu World's power system is infinitely weaker than Douluo Dalu's, their artistic concept of constructing energy-related techniques is quite advanced because they could mold Chakra into nearly anything they wanted.
For example, let's take Water Dragon Bullet and Great Shark Water Bullet.
Each jutsu took the element of water to the extreme and added an artistic concept through Chakra Nature and Transformation, creating a fearsome attack that could decimate the enemy.
Heck! Kakashi's Chidori, which Sasuke learned and developed into many ninjutsu in his teens, pushed the technique beyond its limit.
It is something that Douluo Dalu's laws don't have.
FLEXIBILITY!
After all, Douluo Dalu's cultivation system is impossible to separate from Spirit Ring and spirit skills. So, the natives are too busy developing their spirit skills rather than molding energy into another form.
There are some expectations in the Douluo Dalu, and they created Self-created Spirit Skills, but that's it. Not even 1% of people in the Douluo Dalu have their own Self-created Spirit Skills, unlike the natives in the Shinobi World who could mold Chakra, become Shinobi, and launch magic-like techniques.
Thankfully, everything changed recently with the appearance of "Quirk" from the World of Hero and Villain and Black Zetsu, who bring along knowledge of the Ninjutsu System.
The natives in the Douluo Dalu are no longer "ignorant" about this matter.
Still, the rules of Douluo Dalu's universes still put pressure on this kind of technique. They needed to adapt and refine before anyone could use them, which was not as free as people in the Shinobi World.
In fact, Gu Yuena's control over elements used to be very rough. She was also a newborn from the splitting of Dragon God and had to train from scratch.
If Yunlong hadn't met Gu Yuena at Star Dou Forest that day, she might still be in deep slumber for another 20,000 years.
Gu Yuena flashed a smug look at Yunlong, "Pretty neat, right?"
Who said she couldn't learn some tricks from these people?
The name of Silver Dragon Goddess isn't for nothing!
Yunlong laughed helplessly and looked away, "Go."
Gu Yuena moved her fierce gaze back to Naruto and Kurama, "Okay, follow me. Let's test how durable your Spirit Fusion is."
"Uh..." Naruto and Kurama felt dread for their lives.
Before they could say anything, Gu Yuena warped the space and dragged them away.
Watching them disappear, Dong Chan chuckled, "How interesting. This world is more interesting than I thought."
"You're right, Yunlong. Staying here is also beneficial for our growth."
"Unfortunately, traveling back and forth 'consecutively' is not feasible..."
"For now, yeah," Yunlong replied with a nod. "The dimensional barrier key is still under the control of the Otsutsuki Clan."
"Once I get them, I can set up a formation and connect Shinobu World with our world."
Dong Chan frowned slightly, "I know you can do this, but there must be some danger, right?"
She didn't want to watch Yunlong get hurt.
Yunlong waved his hand casually, "After I kill that Roach Shibai, I can easily take Shinobi World away."
Yunlong was confident because he had started the second blood refining of the Hidden Dragon Technique, which would increase his strength by another great realm.
Even Dragon God's blood wasn't as powerful as his anymore.
"..." Sasuke.
"..." Koyuki.
"..." Hayuri.
Since when did killing the God of Otsutsuki sound like a walk in the park?
Come on, at least mind our poor hearts!