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But don't worry, I've forgiven you. After all, being part of your club is the reason she's gotten her hopes up so high. She'll drop into the deepest despair imaginable once I've killed her friends in front of her very eyes. Asia is still a virgin, isn't she? I don't want the Red Dragon Emperor's sloppy seconds. I do rather enjoy the idea of stealing her away from you, though. Our own custom version of Prima Nocta! I must admit; the mere thought of taking Asia as she calls out your name is absolutely delicious!
~ Diodora expressing his sadism to the Occult Club.

Diodora Astaroth is the secondary antagonist of Volume 6 in the light novel and anime series High School DxD. He was the formerly supposed heir of the Astaroth Clan until he betrayed his family and kind when he sides with the Khaos Brigade. He was the younger brother of Ajuka Beelzebub, and was the mastermind responsible for Asia Argento's excommunication from her church. He is also the self-proclaimed love rival and foremost enemy of Issei Hyoudou for kidnapping and sexually harassing Asia.

He was voiced by Makoto Furukawa in Japanese and Aaron Dismuke (who also voiced Fuyuhiko Kuzuryu) in English.

Appearance[]

Diodora is described to be a gentle-looking and handsome young man who has blonde hair (in the light novel; while he had dark blue hair in the anime). He appears to have a rather big, deep scar on his chest, which he injured himself on purpose as part of his plan on having Asia banished. He is usually dressed in noble clothing, which consists of a cape and black noble attire. He has fanged teeth and deep golden eyes. He also has a gentle smile that adds on his altruistic façade.

Personality[]

Once upon a time there was a spoiled highborn devil brat. He saw a holy woman that was as pretty as a peach. Blonde petite. I'm talking totally his type. But the woman was a guarded treasure of the church, so he knew there was no way he could kidnap her and get away with it. So, the clever devil brat came up with a plan. If the people of the church saw her healing an injured agent of Hell like him, then they would excommunicate her, so he took a chance. Once she hit rock bottom in despair over the church's betrayal he'd snatch the girl up when she was at her lowest and make her his completely! Ravishing both body and soul. A man's gotta have a vice! And Diodora loves breaking the will of little young girls like her more than anything else!
~ Freed Sellzen on Diodora's true nature.

Diodora presents himself as a gentle, well-mannered young man, though showing somewhat poor social skills. According to Rias, having been sheltered by his parents has set back his social skills to an extent. His approach towards Asia is overly persistent, asking her to marry him randomly and giving her numerous gifts and love letters, despite her having no interest in him and having only one brief interaction in the past. Issei is the seemingly the only person able to see through Diodora's perverse intentions.

Underneath his kind facade, Diodora is nothing less than a narcissistic, vile, uncaring, and spoiled psychopath who will do anything to get whatever he wants by any means necessary. He is perversely obsessed with nuns and holy maidens as most of his Chess Pieces are all former nuns and holy maidens he had acquired all over the world by being the cause of their excommunication.

He is also horrifyingly sadistic, as he thoroughly enjoys seeing them suffer in pain, sadness, loss, suffering, despair as he finds it an ultimate form of entertainment. He is also incredibly childish, temperamental, and immature, as proven by the temper tantrum he threw upon realizing he was no match for Issei. He is also shown to be heavily disgusted with Dragons and those associated with them, as he calls Issei a "filthy dragon" but after suffering his defeat on him, he becomes fearful of him and dragons.

However, despite his massive arrogance and overconfidence, at the bottom of his very being, Diodora is nothing but a coward and a hypocrite. During the Rating Games, he chooses to use sabotage to be sure of winning, wishing to use Issei's Dress Break Ability at his own advantage, proving to be completely gutless against him. His cowardice was further proven during his battle with Issei. After realizing he was no match for Issei, he began to hide behind energy barriers (which Issei revealed to be even weaker than Vali's), only to be left completely terrorized after Issei easily destroy and after his defeat, he trembled in even greater fear after seeing Issei coming near to him, now completely afraid of both him and dragons overall. Even when he was defeated and threatened by Issei, Diodora became more of a delusional sore loser as he begs Shalba to help him kill Issei and the Occult Club only for Shalba to kill him out of annoyance.

Due to his obsession with Holy maidens and nuns, Diodora is highly delusional and persistent when believing Asia belongs to him as well considering her to be his "property" which was nothing but his deluded fantasy.

Despite being brothers, Diodora doesn't seem to have a very good relationship with one of the devil kings and his older brother, Ajuka as the latter doesn't hold any care for Diodora and even didn't hold sympathy for his death due to his treachery to his family.

Biography[]

Early life[]

Although there isn't much to his background except being the next heir to becoming head of the Astaroth Family. It is stated by Freed Sellzen that due to the very fact that he had a fetish obsession for nuns and maidens, he has been preying on famous nuns and holy maidens in various countries around the world one after another. He would often seduce each nun or maiden he encounters with his passionate words in order to make each of them fall for him. At some point, he would have the nuns and maidens excommunicated by their respective churches, which is devastating for them and would later save them from the depths of their despair, only to give them more when he takes advantage of them as he would eventually rape them both physically & emotionally. Later on, Diodora would reincarnate them into becoming his servants for his collection and peerage, as the nuns and maidens slavishly pledge their loyalty to him as the very result of his actions.

Sometime prior to Issei's awakening, Diodora would have targeted Asia next for his collection. He would purposely injure himself to let Asia heal him right in front of the church, which resulted in Asia's accusation of her being a witch and banished from the Church. He was also present at the abandoned church at Kuoh Town when Raynare stole Asia's Sacred Gear and was killed. He initially intended to be the one to kill Raynare and save Asia, then take her as one of his own. His plan, however, did not work due to waiting for Issei's death to appeal before underestimating the situation, so he has left no choice but to try again next time.

At some other point, he teamed up with the Khaos Brigade and received a power-up from Ophis, which he used to murder the next head of the Glasya-Labolas clan.

Birth of the Breast Dragon Emperor[]

Diodora proposes to Asia

Diodora manipulating Asia to fall in love with him by proposing to her in front of Issei.

He appeared in Volume 5, in which he was one of the six young Devils who were invited to the Young Devil Gathering, where he was first seen catching Asia into his arms. At the end of the same volume, he reappeared in front of Issei and Asia and would propose to her after he reveals himself to be the Devil she healed years ago after she was banished.

In Volume 6, he was scheduled to have a Rating Game against the Gremory Team of taking Asia, but this did not happen after he revealed that he was an ally of the Khaos Brigade. It is also revealed by Freed that he had Asia heal him just to simply add her to his collection of nuns and maidens for the sole purpose of his lustful desires. Diodora then kidnaps Asia and has his peerage battle against the Gremory group. He was easily defeated by Issei in a one-on-one fight due to Issei overpowering him in anger at what he had done to Asia out of pure spite. Issei spared Diodora but threatened him that if he comes anywhere near Asia again, he won't hesitate to kill him.

After his defeat, Shalba Beelzebub appeared. Diodora pleaded with him to help, only for Shalba to stab him with a weapon of light, and his body dissolved away.

Legacy[]

With his death, Diodora's delusions of Asia ended up in a failure. Due to Diodora's betrayal of his family and the other devils, the Astaroth Family were punished in his stead and lost many of their privileges. Following his death, Ajuka's niece, Latia, has replaced him as the new heiress of the Astaroth Clan. His peerage was disbanded. While the members of his peerage current status is unknown, they were mostly likely to be captured and punished for their late master's actions.

Quotes[]

I was planning to give her an evil piece of me. And I mean both literally and euphemistically.
~ Diodora to the Gremory Clan about Asia.
I must admit the mere thought of taking Asia as she calls out your name is absolutely delicious.
~ Diodora taunting Issei by threatening to rape Asia. (in Japanese version he outright says he'll rape her for fun)
This must be a lie! There is no way I will be beaten! I won against Agares! I'm also planning to win against Bael! There's no way I will lose to the untalented heir of the Great-King Gremory, someone who holds affection can't even be my opponent! I am Diodora of the Astaroth family!
~ Diodora's cowardly breakdown as an armored Issei beats him to a pulp.
I'm a high-ranking devil, you wretched boor! Part of the bloodline of the current great devil Beelzebub! How can a well-bred noble like me lose to a lowly reincarnated savage like you. It just isn't right. IT ISN'T FAIR!
~ Diodora after getting punched by Issei.
This is a custom-made seal created by me especially for certain longinus user. I was given the promise it would disarm when everything was over. But, on the off-chance that you Gremory clowns were able to defeat me, I had the seal set so consume her entirely than let her escape. I'D RATHER HAVE HER DISAPPEAR FROM EXISTENCE THAN HAND HER BACK OVER TO YOU. There's nothing you can do.
~ Diodora expressing his cowardice and inability to accept losing Asia.

Gallery[]

Trivia[]

  • In the manga adaptation of Highschool DxD, Diodora makes a cameo as one of the guests in Rias and Riser's engagement party.
  • Diodora serves as a foil to Rias. Both are the younger sibling of a Devil King (Ajuka Beelzebub and Sirzechs Lucifer, respectively), both are the future heads of their families due to their brother's position and both have a connection to Asia. But where Rias is kind, mature and serene, Diodora is cruel, childish and psychotic. Rias cherishes Asia as a surrogate sister, while Diodora views her only as his property due to his delusions. Rias is greatly respected in the underworld, while Diodora is widely hated, to the point that the only reason he wasn't killed sooner was that killing him could have started a civil war.
    • Diodora could also be seen as the complete polar opposite of Issei:
      • Issei is concerned with the suffering of others and generally shows great empathy, while Diodora gets off on torturing and mindbreaking his victims.
      • Issei was very humble and suffers from self-esteem issues, while Diodora is extremely prideful and arrogant to the point of a god complex, as he just cannot stand not even the idea of someone only as equal as him in anything.
      • Issei may appear as a simple pervert on the surface but has a noble heart underneath, Diodora puts on the facade of a kind and polite individual despite actually being a monster.
      • Issei is extremely brave and sacrifices his wellbeing for others, while Diodora is a massive coward who would do anything to avoid getting hurt and was perfectly fine with using Asia as a human shield to escape.
      • Issei genuinely loves and cherishes his (future?) harem, Diodora brainwashed them to do his bidding and uses them like toys.
      • Issei is willing to go above and beyond to protect Asia and make sure her own desires are respected, while Diodora will do anything to kill her if he cannot have her for him and himself only.
  • It's unknown what happened to his peerage afterwards, but since they aided their master in the captivity of Asia, it's very likely that they have been captured and punished.

External Links[]

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Fallen Angels
Kokabiel | Raynare | Dohnaseek | Kalawarner | Mittelt

Khaos Brigade
Ophis | Vali Lucifer | Shalba Beelzebub | Katerea Leviathan | Creuserey Asmodeus | Kuroka Toujou | Freed Sellzen | Arthur Pendragon | Bikou | Cao Cao | Siegfried

Others
Valper Galilei | Diodora Astaroth | Diodora Astaroth's Peerage | Loki | Fenrir | Riser Phenex | Viser | Samael

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