Sōsuke Aizen

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## Evil-doer

* Gotei Captain
* Ruler of Hueco Mundo
* The Chrysalis
* 2nd Hogyoku Form
* 3rd Hogyoku Form
* 4th Hogyoku Form
* Muken

### Alias

Traitor (labelled by the Gotei 13 and Central 46)
Captain Aizen
Lord Aizen
Mr. Aizen

### Allies

Gin Ichimaru
Kaname Tōsen
Ulquiorra Cifer
Arrancars
Espadas
13 Court Guards (formerly)

### Occupation

Lieutenant of the 5th Division (formerly)
Captain of the 5th Division (formerly)
Leader of the Arrancars (formerly)
Prisoner of Muken (currently)

### Resources

Metahuman regeneration
Immense spiritual power
Mastery of manipulation
Supernatural mobility
Genius-level intellect
Absolute Illusion
Swordsmanship
Mastery of Kidō
Hollow powers
Immortality
Charisma
Strategy

### Hobby

Drinking tea.
Toying with his followers.
Manipulating people.
Performing multiple tests.
Purge his 20,000 year sentence.

### Goals

Kill the Soul King and recreate the world in his image (formerly; failed, due to Yhwach carrying Aizen's former plan and successfully killing him).
Kill Ichigo Kurosaki (failed).
Stop Yhwach (succeeded).

### Moral Event Horizon

Impaling Momo Hinamori.
Masterminding Rukia Kuchiki's attempted execution.
Using Momo Hinamori to have Hitsugaya pierce her through with his sword.
Creating several Hollows, endangering many people.
Commanding an army to destroy Karakura Town.

### Kill Count

Dozens (directly)
Billions (indirectly; via Hollows)
Thousands (attempted)

### Crimes

Unethical experimentation
Incrimination
Mass murder
Conspiracy
Kidnapping
Terrorism
Vandalism
Stalking
Treason
Torture
Abuse

### Type of Villain

Charismatic God Wannabe

**Sōsuke Aizen** is the overall main antagonist of the manga/anime franchise *Bleach*, serving as the main antagonist of the majority of the series and a supporting character in the final arc, where he helps Ichigo stop Yhwach for legitimately selfish reasons.

Aizen served the Gotei 13 as the captain of the 5th Division, until he revealed himself to be a traitor and abandoned the Soul Society when he, Gin Ichimaru, and Kaname Tōsen murdered members of Central 46.

After his defeat by Ichigo Kurosaki, Central 46 announced Aizen's sentence to an eighth and final level of an underground prison known as Muken for initially 18,800 years until his sentence has increased to 20,000 years for his insolence towards Central 46 officials.

He is voiced by Shō Hayami in Japanese and Kyle Hebert in English.

## What Makes Him Pure Evil?

### Background

* In the past, he masterminded an attack in Soul Society, even before he publicly betrayed them. During the attack, his Captain, Shinji Hirako, and other members of the Court Guards went through hollowfication which left them in anguish for a period of time.
* He would create hollows and unleash them in the Living World to study them. He was uncaring about the level of danger people would be exposed to when someone came across a hollow. He created White (an experimental Hollow that bitten Masaki Kurosaki).

### Soul Society arc

* He murders the Central 46 along with Gin and Kaname. They then pretend to be the Central 46 to the Court Guard Companies, and he uses the moment to mastermind Rukia Kuchiki's execution in an attempt to take the Hōgyoku out of her body.
* He causes turmoil by making an illusion of himself stabbed in the wall, which horrifies his lieutenant, Momo Hinamori, to the point she blames his "death" on Gin Ichimaru and moves to attack him, only to be blocked by the latter's lieutenant, Izuru Kira which leads to a fight in which Aizen intended for Hinamori to be killed by Kira, her fellow lieutenant.
* He impales his assistant captain (who was like a daughter to him), Momo Hinamori, through the chest when her guard was let down because she was hugging him. He leaves her to die.
	+ He reveals to Tōshirō Hitsugaya, Momo's childhood friend, that he plotted to cover up her murder by setting up a situation where she would either be killed by Kira in a fight or to have Hitsugaya kill her during another fight.
	+ After recovering from the attack and realizing Aizen's betrayal, Momo was left mentally traumatized for a couple months.
* He nearly killed Rukia with the help of Gin only for Byakuya to save her life by taking the blow from Gin's Zanpakuto, severely wounding the 6th squad captain.

### Arrancar arc

* He amasses an army of Arrancars and Espadas and goes to the Living World in an attempt to destroy Karakura Town, uncaring about the people present in the city. Although it is revealed that the Court Guards moved the real city to safety, Aizen still planned to go the real city in order to destroy it and create the oken for his master plan.
* He expresses no concern when people in his army begin to die off in battle such as his close ally, Kaname Tōsen, and loyal members like Coyote Starrk and Lilynette Gingerbuck.
* Annoyed over seeing his subordinates fall and deeming them all weak, he personally cuts down and nearly kills Tier Harribel during her battle against Toshiro, Lisa and Hiyori. He also kills his ally Tousen after his defeat at the hands of Komamura and Hisagi.
* During his battle against the Court Guards, Aizen uses his shikai, Kyōka Suigetsu, to create an illusion and switch places with his former subordinate, Momo Hinamori. Aizen tricks Hitsugaya into impaling Momo with his illusion technique.
* He takes the Hōgyoku to create a pawn, Wonderweiss Margela, and uses him as a sentient weapon in his battle against Genryusai Yamamoto. Yamamoto notes Aizen's cruelty of robbing his subordinate of any intelligence and personality, to which Aizen brushes his comments off.
* When Aizen ascends to power and defeats the Court Guard members and their allies, he goes to the real Karakura Town. With his immense spiritual pressure, he casually walks around the city, causing the people there to die from the exposure to his spiritual pressure.
* He attempts to murder Ichigo's friends when he encounters them and tells Gin that he planned to set up their corpses to mock Ichigo when he arrives in the real Karakura Town.
* He brutally kills Gin (who revealed that he was a double spy) by vertically slashing him, ripping his right arm off and throwing him through a nearby building in the *real* Karakura Town when the latter attempts to kill him for what he has done to Rangiku (who is Gin's childhood friend).
* He was on the verge of killing Rangiku Matsumoto crying over Gin's dead body if Ichigo hadn't arrived in time.
* After his defeat by Ichigo Kurosaki, Central 46 sentenced Aizen in the lowest level underground 8 known as **Muken/Avici** for initially 18,800 years. However, he still showed insolence to the officials and looked down on them because he is immortal, which caused the Central 46 of extending his sentence to 20,000 years.

### The Thousand-Year Blood War arc

* Even in the years after his defeat by his archenemy, Ichigo Kurosaki, Aizen has not expressed any regrets or remorse for his actions.
* In the anime, when Yhwach visited him in Muken and offered to join his army, since they share the same goal of destroying Soul Society, Aizen refused, then mockingly stated that the last thing he would want to do is serve a person who by his actions is no different to him from the hated Shinigami.
* Despite helping the Soul Society against Yhwach, Aizen remained as selfish and disloyal as before, revealing he is not doing this for the Soul Society.