Killed For 100 Years in Hueco Mundo, Aizen Invited Me To Soul Society!-Chapter 309: Kore ga, Saigo no Getsuga Tensho

"Is this the power you have right now? How ridiculous!"

After several evolutions, Aizen's appearance at this moment was enough to be called ferocious. He looked at Ichigo and spoke with a voice full of disdain.

Admittedly, Ichigo right now had his reiatsu completely gone for some reason, and the power of his attacks were really good.

But in Aizen's view, this was indeed extremely ridiculous.

Whether it's shinigami or hollow, their battles were essentially battles of reiatsu.

Once all the reiatsu disappears, even though one had gained great strength in a short period of time, this way of becoming stronger was obviously flawed.

For Ichigo, there might be another reason, that is, he was now on a higher-dimension compared to Aizen, and thus his reiatsu was not being perceived by him.

Aizen also thought about this kind of conjecture, but he rejected it immediately.

'Impossible!'

He obtained his current strength with the help of Hōgyoku, and successfully evolving several times. What about Ichigo? Without Hōgyoku, it was obviously impossible to obtain a higher level of evolution than him in such a short amount of time.

So the final conclusion he reached was that Ichigo really gave up all his reiatsu and in exchange, he gained short-lived strength.

"What a disappointment."

Even though, he had a lot of expectations for Ichigo before, but Ichigo gave him such an answer.

Aizen felt a little lost.

But soon he gradually became relieved. After all, he had evolved to a new-level now, and his vision had become different. In the past, Ichigo, whom he was always looking forward, was now just mediocre to him.

Aizen immediately launched another attack.

Relying on the powerful strength he gained after evolution, he easily crippled one of Ichigo's arm.

This made Aizen even surer of his evolution.

'Kurosaki Ichigo, so that's it for you?'

But then, Aizen's heart trembled again, and he couldn't help but calm his mind quickly.

Because after one of his arm was crippled, Ichigo finally used the technique he learned in Dangai to use as his final trump card in this battle.

When Aizen and Gin came to Soul Society earlier, he also stepped into Dangai with his father, and learned from his father the fact that the flow of time in Dangai was much different than that of Soul Society.

That is to say, as long as it was used properly, he could get a long period of taining in that place while not much time passes in reality.

And during this whole period of time, he had been learning the unique technique taught by his father, which is called —— Final Getsuga Tensho.

According to what Isshin said, once this move was used, all of his shinigami abilities would be completely lost.

Although he could no longer remain a shinigami from then on, as long as he could defeat Aizen and protect the people around him, his hometown, Karakura Town, and Soul Society, it would be worth it, so Ichigo started learning without any hesitation.

During that time, he experienced some complicated things.

But in the end, he managed to learn it.

And by the time he rushed to Karakura Town, his hair and height had grown visibly longer showing his long stay in Dangai.

Ichigo recalled a voice that only he knew, and then, the Zanpakuto in his hand completely dissolved and disappeared, black reiatsu covered most of his body, he raised his uninjured right hand, and with a light wave, all the reiatsu turned into a huge black crescent-shaped attack and poured away.

Kore ga, Saigo no Getsuga Tensho. (This is, my Final Getsuga Tensho)

"Mugetsu!"

Ichigo recalled a voice that only he knew, and then, the Zanpakuto in his hand completely dissolved and disappeared, black reiatsu covered most of his body, he raised his uninjured right hand, and with a light wave, all the reiatsu turned into a huge black crescent-shaped attack and poured away.

Aizen sensed Ichigo's movement and couldn't help but being startled because he understood at that moment, it turns out that Ichigo's reiatsu hadn't disappeared. He was just on a higher-dimension compared to him.

Immediately afterwards, the huge black crescent attack enveloped and swallowed him, and Aizen was forced to endure tremendous pain. He suffered unprecedented severe injuries in an instant, and was even forcibly beaten back to his original form from the hollow-state by Ichigo.

Unfortunately, that's all.

Even if Ichigo wanted to launch another attack on Aizen, there was nothing he could do.

Because all of his shinigami powers was poured out under that Mugetsu, at this moment, he no longer had any power.

His body couldn't help but stagger for a while, and was about to fall to the ground.

On the opposite side, Aizen struggled to stand up. He looked at the weak Ichigo, who almost fell to the ground, and said with a ferocious laughter, "Hahaha! Kurosaki Ichigo, I am going to win in the end!"

He raised his disintegrating Kyōka Suigetsu, "Did you see that? Kurosaki Ichigo! My Zanpakuto is disappearing! Do you know what that means? It means that Hōgyoku judged that I no longer need a Zanpakuto!"

"Just like your Zanpakuto was integrated with your hand, the fusion between me and my Zanpakuto has also begun! No! Compared to the degree of fusion between you and your Zanpakuto, I and my Zanpakuto are integrated at a completely different-level! Hahaha!"

Because of the Mugetsu, Aizen no longer thought that Ichigo had abandoned his reiatsu previously, but that Ichigo somehow, fused with his Zanpakuto and achieved some kind of evolution which was even higher to his previous-self.

Apparently, however, his evolution through Hōgyoku was more powerful in the end.

Just as Aizen wanted to walk to Ichigo.

That same moment, a light saber suddenly pierced his body, and then, countless light sabers emerged one after another, and his complexion changed drastically. He suddenly realized that his power... was disappearing.

"What happened?!"

Aizen looked puzzled.

Just like when Gin hid Shinsō's true ability and almost killed him once by outsmarting him, this time, it was also something that he didn't expect.

Just when Aizen was puzzled, Kisuke appeared.

Then gave Aizen the answer.

During the previous battle in Karakura Town, he always used Kidō to fight at the beginning, not because he thought Kidō was better at dealing with Aizen, but to take the opportunity to plant "some things" into Aizen's body, and then form the final seal at an appropriate time.

If Aizen had maintained a strong power, this seal was obviously incapable of playing any role.

But after Ichigo gave up all his shinigami powers to use Mugetsu, Aizen was seriously injured and his strength had also declined temporarily. The Hōgyoku in his body thought that Aizen's current self was not enough to bear any power for the time being... And so, the seal began to work.

So, it wasn't Ichigo, and it wasn't Kisuke who defeated Aizen, but... Hōgyoku!

Looking at Aizen who was in disbelief, Kisuke spoke seriously, after all, Aizen was also one of the creators of Hōgyoku.

"How can there be such a ridiculous thing?"

Aizen couldn't accept it, he didn't expect that he would lose like this.

Afterwards, looking at the complacent Kisuke, Aizen seemed to be agitated and remember something, and said to Kisuke, "Do you really think you have won Urahara Kisuke? Do you think this is the end?"

*****

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