To be honest, Kuroto doesn't really know what the true limits of Susanoo can be.
The Full-Body Susanoo used by Uchiha Madara in the Fourth Great Shinobi War was more than capable of cutting mountains with just pure wind pressure generated by waving his swords.
While the Susanoo used by Rikudo Sennin was as big as the Juubi itself, so there is no telling on what exactly is the limit of Susanoo.
The reason Kuroto agreed to this request of Ryota is also related to one of his interests, as Kuroto is really interested in seeing the full extent of the power of Eternal Mangekyou Sharingan that Ryota, (the original owner of the dojutsu) can display.
Collecting this data is obviously important and can be used as a point of reference.
From the size, Ryota's Full Body Susanoo can be compared to the like of the one displayed by Madara and Indra, but Kuroto still believes that maintaining such a high chakra-consuming Susanoo would be extremely burdensome for Ryota.
After all, Ryota does not have the exaggerated Chakra level of the two sons of Rikudo Sennin, and there is also a probability that Okuninoshi is no longer accessible to him so meeting Chakra requirements is extremely difficult for him.
However, despite all this, there is still a sense of heavy oppression oozing off of the Susanoo's body and Kuroto can be sure that even the likes of Kage Class shinobi would have trouble bearing such heavy pressure.
At this time, Ryota spoke, "Hyuga Kuroto, I feel that I am omnipotent and almighty now, come! For I am going to enjoy this last battle of mine, If you defeat the current me, then I wouldn't feel wronged even after everything that you put me and my brother through!!!"
Whoosh…
In an instant, the cyan-blue chakra flames wrapped around Kuroto's whole body, as his eyes changed from Byakugan to Tenseigan.
Looking at those cyan eyes, Ryota instinctively felt the power they seem to contain, and he can't help but shudder upon realizing this.
Taking a deep breath, Ryota calmed himself and asked Kuroto, "Those are your evolved eyes?"
Kuroto did not bother to answer, he just raised his hand gently.
Instantly, one after another, truth-seeking balls appeared behind Kuroto's back and their number reached a total of five.
Staring at those black orbs, Ryota was reminded of just how much of a cheat they are, and he can't help but remember that final technique that Hyuga Kuroto used which completely decimated his Susanoo.
'I have to be the one to make the first move!' – thought Ryota.
Instantly, Ryota's Susanoo flew up high into the sky and the four long swords made out of Golden Flames appeared lengthened.
Immediately afterward, he started the flurry of attacks with the four swords at the same time, waving them with such might that each sword left hundreds of meters of a gully on the ground.
Compared with the huge figure of the Susanoo, Kuroto's figure was akin to an ant.
But that very same ant-like figure was not at all scared by the incoming sword strikes and in fact, had a total indifferent look on his face when met with the four swords.
Suddenly his figure disappeared from his position, and passed through the small gaps between the four swords like a high-speed cyan streamer, rushing towards the Susanoo.
Boom…
The four giant chakra swords that failed to cut Kuroto; slashed the mountain below into several pieces, and splashed the entire battlefield with hot golden flames, encasing everything into a sea of flames that even melted the ground.
But completely unaffected by this attack, Kuroto who was rushing towards the Susanoo increased his speed as he simultaneously controlled the Truth-Seeking Ball and injected Tenseigan Chakra into them.
Kuroto doesn't want to have a very long and dragged-out battle with Ryota, so he opted to directly use the strongest technique in his arsenal to deal with Ryota in the shortest amount of time possible.
The advantage of Truth-Seeking Ball is obvious, and Kuroto plans to perfectly utilize this advantage in this battle.
Ryota also noticed the chakra fluctuations emitting out of Kuroto and understood that he has to do something to block Kuroto, he waved the chakra swords, slashing towards Kuroto, with the intent to cut him as soon as he can, but he was unable to do so!
The reason is also very simple, this is only the second time Ryota is using Mangekyou Sharingan or Eternal Mangekyou Sharingan, coupled with how fast Kuroto is dodging all those attacks, it is obvious that Ryota can't keep up with that speed even with the heightened insight and visual acuity.
As Kuroto was about to approach the Susanoo, suddenly a hundred-meter-long sword made up of Golden Chakra appeared in Kuroto's hands, and that very instant, the speed of Kuroto accelerated three times to his previous speed.
Ryota was obviously unable to react to the sudden increase in Kuroto's speed, however, he still tried to clutch Kuroto's figure into a handgrip with two of Susanoo's hands.
But that was obviously useless as before the arms could approach him, Kuroto waved a hundred meters long Golden Sword.
Slash…
The Golden Chakra Sword easily cut through both the arms, as if the entire defense of Susanoo amounted to nothing!
Ryota was obviously shocked, "How…!?"
He didn't even have any words to express his shocked state.
Even after he had overestimated the power that the Sword contained, Ryota couldn't believe that with a single swipe a pair of arms encased with Susanoo's armor, further strengthen by his Yaoyorozu will be cleaved off as if they were nothing!
"Is the difference so big?" – Ryota.
"Hmm, seems like I will have to add more orbs to cut the chest part in just one slash!" -Kuroto
At this time, the two hands that were cut off separated from the Susanoo and fell to the ground.
Meanwhile, Kuroto whose speed was slowed a bit, swayed from left to right, as two more Truth-Seeking Balls appeared on his left hand, which Kuroto merged into the Golden Sword.
Suddenly, the extremely strong Golden Sword became sharper, and dazzling that for a moment Ryota had to cover his eyes as he couldn't directly look at the Golden Sword…
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Read up to Chapter - 517 on P.a.t.r.e.o.n. Page: p-atreon.com/Milta_translations