Mazuru continued the intense special training for Toshiro.
Toshiro also fought against a captain-level shinigami for the first time. He thought he could become a captain just because he had achieved Bankai, but after fighting against his teacher, he found that that was not the case. Apart from the ability of Zanpakuto, in terms of skills such as Zanjutsu, Shunpo, Kidō, Hakuda, he got beaten unilaterally by Mazuru without gaining the slightest advantage.
This frustrated Toshiro for a while, but soon, he felt a surge of motivation as he also started to feel his progress.
After Isshin disappeared and the position of captain of the Tenth division had been vacant for a long time. So, after Toshiro felt that his training was almost done and his current strength was enough, he resolutely participated in the captain assessment, and then successfully passed the assessment and became the new captain of the Tenth Division.
He was also the youngest captain among the entire Gotei 13.
The youngest does not only refer to the present, but even going back thousands of years, there was no captain younger than him.
…
In the captain's room of the Fifth Division.
Mazuru was drinking tea with Aizen. They came back together from the First Division after witnessing Toshiro becoming the captain of the Tenth Division.
Of course, the main reason was Aizen's invitation. Aizen held the teacup, took a sip of tea, and said softly, "I thought that Gin was already a rare talent, but I didn't expect that Captain Hitsugaya's talent is much stronger than Gin. As expected of the holder of the strongest Zanpakuto of the Ice Element."
"He became a captain at such a young age. If given time and let him grow up, I think he will be as strong as the head-captain."
Then, Aizen looked at Mazuru and asked, "I heard that Captain Mazuru is Captain Hitsugaya's teacher, is that true?"
Mazuru said with a smile, "Well, some years back, by chance, I heard about him from Rangiku, the vice-captain of Tenth Division, so I became interested in him and went to Rukongai to meet him. Before he entered the Shinō Academy, I taught him for a while."
"It's not just him, even Hinamori Momo, the vice-captain of your Fifth Division was also taught along with him at that time."
(T.L Note: No amount of training can cure her brain-illness but let's see)
A smile formed on the corner of Mazuru's mouth, "Captain Aizen's vice-captain is my student, you won't be jealous, right?"
Aizen shook his head slightly.
"I heard that Mr. Aizen has recently set his sights on the world of living?" Mazuru started another conversation.
Aizen nodded and said, "Compared to the highly hierarchical Soul Society and the barren Hueco Mundo, don't you think the world of living is more interesting?"
"Although the human beings living in it are not as powerful as shinigamis and hollows, occasionally, some miracles will appear in that land."
"Is Mr. Aizen referring to the quincies?" Mazuru asked back.
Mazuru's conjecture caught Aizen a little off-guard. What he wanted to talk about was actually a miracle he discovered recently in the world of living. He really wanted to know how far he could go in the future if he was trained in a targeted manner.
Unexpectedly, Mazuru would think of quincies from his incomplete information.
But having said that, quincies can indeed be attributed to a special kind of human being, and their existence can also be regarded as some kind of miracle.
"I learned from some secret records that, thousands of years ago, the Quincy Division was once strong enough to compete with the Soul Society, but later their leader lost to the head-captain, and the Quincy Division fell apart because of this. Later, due to the suppression by the Soul Society, the quincy continued to wither. Among the alive ones, only very few pure-blooded quincy remains today." Mazuru said slowly.
Aizen looked at Mazuru curiously, "Why did Mazuru-kun suddenly think of the quincies?"
"It's not that it came to me suddenly, but rather I just discovered that the Twelfth Division seems to have conducted an experiment on the quincies recently." Mazuru responded.
He didn't explain why he knew that the Twelfth Division had performed experiments on quincies.
After Aizen heard Mazuru's words, he thought of the woman who accidentally broke into the battle when he found Shiba Isshin appeared in the world of living and manipulated the hollow "White" to make it attack him.
That woman was a quincy! Not just any quincy but a pure-blooded one. She easily wiped out White with her own power. Of course, as a price, she was also infected by White's power.
Aizen first thought that she would turn into a hollow herself after sometime but with the subsequent monitoring of the world of living, he discovered an unexpected turn of events.
This was also the reason why he said in front of Mazuru that miracles occasionally occur in the world of living.
Aizen asked Mazuru, "Some of the experiments of the Twelfth Division were carried out after the approval of the First Division, especially the ones on the quincies. After they were wiped out by the Soul Society two hundred years ago, some of the remaining quincies are all living under the surveillance of the Soul Society, but what exactly is Mazuru-kun planning to do?"
Mazuru said: "I am not a researcher, so naturally I don't know what to do, but Mr. Aizen, since you have already conducted experiments on shinigami and hollow, did you just give up on experimenting on quincies who were once able to compete with shinigami?"
Aizen's eyes narrowed.
"Hollow's shinigamization, shinigami's hollowfication, can we add something more in addition to these two types of experiments, such as quincy's hollowfication, hollow's quincification, etc..."
(T.L Note: Probably something like what Invisible Empire did with Arrancars, granting them quincies' powers but I am not sure)
Mazuru was talking nonsense, but Aizen was really interested.
Because after hearing the words "quincy's hollowfication", he couldn't help but think of the "miracle" born in the world of living.
"I have to say Mazuru-kun, you have successfully aroused my interest."
Aizen said seriously. He has always been a man of action.
He soon began to pay attention to the information about the quincies. Because the hollows wiped out by quincies will completely disappear, affecting the balance of the souls in the three realms, the Soul Society massacred the quincies two hundred years ago, so the Quincy Division that was once able to compete with the Soul Society had gradually withered, moreover there were very few pure-blooded quincies among them. These remaining quincies have been under surveillance of the Soul Society.
Aizen easily obtained information about those quincies. But gradually, he discovered something unusual.
Some non-pure-blooded quincies had various accidents at the same time earlier, and then they all died. Although the time was different slightly, but it was generally within a few months from each other.
"Things are really getting interesting."
The corners of Aizen's mouth curled up slightly, and immediately, he turned his attention to the last pure-blooded quincy and the key surveillance object of the Soul Society - Ishida Soken.
(T.L Note: He is Uryu's grandfather. Though Ishida's father also is a pure-blooded quincy but he is here mentioned as last apparently because just after the massacre, Ryuken was not yet born)
(T.L Note: Later, in the subsequent chapters it will be explained why Soken was called the last even though his son was also pure-blooded)
*****
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