Hollows has the instinct of devouring. What if it can obtain the ability of the opponent after devouring the opponent? If such a hollow grows into Menos Grande, can he retain this ability after becoming an Arrancar?
Aizen thinks this is a very good experimental idea.
So he used his Hōgyoku and did many experiments. In the end, he doesn't know whether he was too genius or the Hōgyoku was too amazing, he succeeded.
After hearing Aizen's explanation, Mazuru thought of a hollow later became Espada in the original book.
Metastacia!
In addition to the ability to devour and fuse, this hollow also had the ability to make Zanpakuto disappear. In the original book, Shiba Kaien's wife died in its hands. Later, Kaien was also killed by it in the process of avenging his wife.
Although this hollow died in the hands of Rukia Kuchiki, its role did not end because of this. After its death, it was transferred to Hueco Mundo, and its ability was obtained by a Gillian. This Gillian, and later became the ninth blade in Espada, and the only Gillian among the Espada.
From this we can see how terrifying this ability to devour and fusion is.
"It's really a good idea."
Mazuru praised, and then asked Aizen, "Mr. Aizen, after creating it, where are you going to put it?"
"What do you think about putting it in Soul Society?"
Aizen turned to Mazuru and asked, "Arrancarization is to let hollows obtain the power of shinigami, but this kind of power is obtained by forcibly breaking hollow's boundaries and the probability of failure is extremely high."
"I want to know, if Arrancarization is not performed, can hollow get the power of shinigami through devouring and fusion."
"I don't think it's that good." Mazuru gave a rare disapproving attitude.
"Oh?"
Aizen was a little curious.
"The power of ordinary shinigamis is not worth it. Even if this hollow possesses the power of infinite devouring and fusion, let him swallow a few shinigamis by chance and obtain their power, it will not make it too powerful. At the face of captain level strength, it is still vulnerable."
"Putting it in the Soul Society brings risk of getting the attention of Gotei 13 at any time, so it's better to put it in Hueco Mundo."
"Let it devour enough hollows in Hueco Mundo first. For ordinary hollows, after devouring many companions, there is a small probability of evolving into a more advanced Menos Grande. If this hollow has the ability of infinite devouring and fusion then it means that as long as it devours enough hollows… it won't stop evolving."
"Once it evolves to the level of Vasto-Lorde, and Arrancarization is performed on it, even if it does not have the abilities that can be obtained by devouring shinigamis, its own ability alone is enough to confront the captain-level shinigamis. At that time, if it by luck devours a captain, thus gaining the power of a shinigami captain…"
Mazuru's words stopped abruptly, but Aizen understood.
Although both he and Mazuru are the captains of Gotei 13, judging from the words and attitudes of the two, they don't show any respect for the captain of Gotei 13. It seems that the captain position which is unattainable for ordinary shinigami, for them, are just some test materials.
But as a matter of fact it is true. A long time ago, Aizen used the soul disappearance incident to make several captains and vice-captains his experimental subjects. Although the experimental materials escaped because of Urahara Kisuke's intervention, He still collected enough experimental data, but, if possible, he would also like to find the whereabouts of Hirako Shinji and others.
After all, this is his first batch of experimental products, so he needs to do a few more experiments to confirm whether the power of hollow and the power of shinigami are fused with each other well or not.
"Mazuru-kun really has great mind." Aizen's words had other meanings.
Mazuru said, "No way, it's too dangerous to follow Mr. Aizen. Mr. Aizen can be without fear of the power of Gotei 13, but I can't. I'm just a shinigami with meager strength. Even if I am lucky enough to become Gotei 13's captain, after all, I am not considered strong."
"Since I choose to follow Mr. Aizen, I have to think about the way out for myself. Hueco Mundo is certainly a good retreat, but if Gotei 13 really makes up its mind, I don't think Hueco Mundo alone can stop the Soul Society with its power. Mr. Aizen should know that even Vasto-Lorde is no different from a captain-level shinigami."
Aizen can't deny it. Indeed, Hueco Mundo seems to be tied with Soul Society in strength, but in fact, for Soul Society, Hueco Mundo is really not powerful, and Baraggan, the king of Hueco Mundo, is even more of a joke.
Perhaps only after completing Arrancarization, can they compete with captain shinigamis without any disadvantage.
"I don't know what Mr. Aizen's purpose is. Mr. Aizen seems to want to change the world, and if he wants to change the world, he is destined to fight against the shinigamis who claim to be the maintainers of order."
"Beyond Gotei 13, there is the Royal Guards."
"With Hueco Mundo's current strength, not to mention fighting against the mysterious Zero Division, it is still a bit powerless to fight against Gotei 13 alone."
After a pause, Mazuru said his purpose, "We need stronger power."
"This strength does not only refer to individual strength, but also refers to stronger subordinates."
"So that's why Mazuru-kun hired subordinate officers in Hueco Mundo?" Aizen figured out one thing.
Mazuru smiled shyly, not answering the question.
Aizen said again, "Mazuru-kun's words really convinced me. Compared with an unneeded experiment, since Arrancarization can also be used to obtain the power of shinigami, there is really no need to verify certain things by devouring ordinary shinigamis."
"Such hollows are indeed more suitable for use in Hueco Mundo."
While talking, Aizen stared at Mazuru again, and said softly, "Just like Mazuru-kun doesn't know what my purpose is, I am also curious, what is Mazuru-kun's purpose?"
"Although I brought Mazuru-kun to Soul Society from Hueco Mundo, Mazuru-kun should have no grievances with Soul Society, moreover the Soul Society treats Mazuru-kun fairly well, so why did you choose to betray?"
"If I say that I am doing it to repay Mr. Aizen's kindness, will Mr. Aizen believe it?"
Aizen smiled mysteriously, but did not respond.
Mazuru said again, "Well, this is just one of the reasons, and there is another reason."
"I think the world is just too dull."
"Hollow, shinigami, and human beings, it seems that the shinigamis are maintaining the order of the three realms, but in fact, all of these are just illusions maintained by following the will of a certain existence."
"Seireitei, Central 46, Gotei 13, and Zero Division were all born just to maintain that existence."
"The nobles are his vassals, the Zero Division is his guards, Gotei 13 is his minions, and the ordinary souls are separated from the high wall, struggling to survive and have to face dangers everywhere."
"And shinigami cuts the hollow, not to protect ordinary souls, but only for their own benefit."
"The reason is because hollow will threaten the peace of the three realms, and then affect that existence."
*****
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