Once the great war began, the development of the situation was no longer a matter of choice.
Regarding the sudden declaration of war by Minamikawa Yuu, the Daimyo of the Country of Hi originally thought he could easily suppress it quickly.
But he soon realized that it was not like that at all.
After several years of development, the infiltration within the Country of Hi was quite severe.
Just as there were many people from the Country of Hi within the Land of Ancestors, there were likewise many personnel from the Land of Ancestors within the Country of Hi.
And their numbers were only greater, not fewer.
After the war broke out, a large number of samurai within the Country of Hi defected directly, and the borders fell rapidly.
In just a few short months, the great army had fought its way directly to the Capital of the Country of Hi.
At this point, the Daimyo of the Country of Hi finally panicked.
He sent an envoy to send his daughter out, attempting to fulfill the former marriage contract and persuade Minamikawa Yuu to withdraw his troops.
Unfortunately, this could not change anything.
What a joke.
Having already fought to this point, there was no such thing as retreating.
If he didn't take down the Country of Hi in one breath, was he supposed to leave this scourge alive?
He directly ordered the envoy to be detained and then continued the siege.
The following month, the Capital of the Country of Hi fell; internal agents opened the city gates and presented the Daimyo, who was attempting to flee.
With this, the Country of Hi was declared destroyed.
The destruction of the Country of Hi was of great significance to the Land of Ancestors, but it was merely the beginning.
Over the next few years, Minamikawa Yuu campaigned all the way, basically wiping out the large and small nations in all directions, unifying the entire continent.
To this point, the Land of Ancestors became the only one... Beneath the magnificent God Tree, Kaguya and Minamikawa Yuu arrived hand in hand.
Looking at the God Tree before her, Kaguya's heart felt little turbulence; she just quietly watched the canopy.
Within the vision of her Byakugan, a flower was slowly blooming there, and within it, another fruit seemed to be gestating.
That was a new chakra fruit, which was already gestating at this moment.
However, compared to the gestation speed of the previous chakra fruit, the gestation speed of the one before her was very slow.
Looking at this state, there was no telling how much time would pass before the gestation was complete.
At the very least, before the Otsutsuki Main Family came to this world to collect the chakra fruit, it was impossible for this fruit to finish gestating.
There was no other way.
The God Tree had come to this world and grew by absorbing the Natural Energy of this world.
In the beginning, the Natural Energy of this world was still quite abundant, and the God Tree grew beyond imagination, bearing a chakra fruit at the fastest speed.
But after the first fruit was borne, much of the originally abundant Natural Energy was consumed, so the time for the God Tree to bear fruit naturally became extremely slow.
In fact, if not for the Ninja World's energy being so plentiful, normally, a single fruit would be enough to exhaust the entire foundation of the Ninja World, leaving absolutely no possibility of bearing a second chakra fruit.
Thinking of this, Ōtsutsuki Kaguya's eyes couldn't help but carry some melancholy.
"Aside from Natural Energy, are there any other ways for the God Tree to bear fruit?"
Before her, Minamikawa Yuu spoke to ask.
"Yes."
Ōtsutsuki Kaguya nodded and then began to explain.
After swallowing the chakra fruit, she no longer hid anything from Minamikawa Yuu, directly telling him everything one by one.
At this moment, she had no scruples and directly spoke everything she knew.
The God Tree was a tool used by the Ōtsutsuki Clan to increase their power.
It could bear pure chakra fruits for the Ōtsutsuki Clan's use by absorbing various types of energy.
To put it simply, this was an efficient energy collection tool that could transform energy that ordinary people couldn't directly utilize into chakra fruits that could directly increase power.
However, during the usage process, there were also some restrictions.
For example, a member of the Ōtsutsuki Clan must be used as a sacrifice for the God Tree to grow successfully.
"Wait..."
Minamikawa Yuu was surprised: "According to what you're saying, the God Tree must have a sacrifice to grow."
"Then who was sacrificed for this God Tree before us?"
"It was myself."
Ōtsutsuki Kaguya explained: "I fed my original body to the God Tree and then reincarnated into another body that had been prepared long ago."
Sacrificing one's original body to the God Tree and then reincarnating into another body was also a good method.
Regardless, for the Ōtsutsuki Clan, it was just a mere body; even if fed to the God Tree, it didn't matter, as they could still continue to survive.
However, precisely because her original body was fed to the God Tree and her current body was just another body re-developed, Ōtsutsuki Kaguya's power was so weak.
Because this was almost like starting all over again.
"I see."
Minamikawa Yuu nodded, and a certain doubt in his heart was resolved at this point.
At this moment, he could probably be certain.
The Ninja World before him was most likely not where the orthodox history lay, but should be a certain parallel space-time.
He knew the orthodox story of the Ninja World.
In that story, two people should have come to plant the God Tree.
Ōtsutsuki Kaguya was the one to be sacrificed to the God Tree, and the other Ōtsutsuki was the harvester.
Only at the critical moment, Ōtsutsuki Kaguya launched a sneak attack on the other person, fed that person's body to the God Tree Ten-Tails, and took the fruit of the god tree for herself; only then did the subsequent series of stories occur.
Furthermore, in the orthodox story, Ōtsutsuki Kaguya had no husband, and the Six Paths Sage brothers she later gave birth to were suspected to be born from the blessings of all living things.
But this world was clearly different.
Minamikawa Yuu looked down at Kaguya's already gradually bulging abdomen, and this thought flashed through his mind.
Back to the main topic.
As an energy collector, besides being able to directly absorb high-grade energy like Natural Energy, the God Tree could also draw in life energy and Chakra.
The chakra fruit itself was something containing high-purity Chakra; that Chakra could be absorbed by the God Tree and transformed into a chakra fruit could only be considered normal.
As for life energy, it was itself one of the energies used to synthesize Chakra, so it was also normal for it to be utilized by the God Tree.
"Life energy and Chakra, huh?"
Minamikawa Yuu lowered his head in thought.
"Yuu."
Before him, Kaguya spoke again, recounting her thoughts.
She wanted to kill everyone in the entire Ninja World except for those around Minamikawa Yuu and turn them into sacrifices.
To her, ordinary indigenous mortals were originally ants.
Before this, because of Minamikawa Yuu, she didn't have many thoughts about these Ninja World natives, having neither good nor ill will.
But because of that incident with the Country of Hi earlier, she had developed a strong look of disgust toward mortals.
At this moment, having the thought of exterminating all life in the Ninja World was not particularly strange.
"Why?"
Regarding Kaguya's idea, Minamikawa Yuu appeared very calm, only speaking to ask: "Is there any benefit to this?"
"The life energy of the sacrifices can speed up the growth rate of the fruit of the god tree."
Kaguya spoke: "As long as the number of sacrifices is large enough, perhaps the God Tree can be made to gestate another chakra fruit."
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