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"You can't just manipulate people to do whatever the hell you want!"
—Heat O'Brien, Digital Devil Saga: Avatar Tuner 2

Kazuki Homura, known in the games as Heat O'Brien, is the human upon which the AI Heat was based on.

Appearances[]

Design[]

O'Brien looks visually identical to the AI bearing his name, except for his wardrobe, eyes, and hair. Also, the human Heat was somewhat blond, while the AI had bright red hair.

In Quantum Devil Saga book 3, he has red hair unlike his in-game counterpart. 

Personality[]

As hot-headed as his AI counterpart, he would often make angry outbursts at how Sera was being treated, and openly expressed his disgust of the manipulative behavior of his coworker Serph Sheffield. This caused Sera to regard him as a scary big brother, as she never saw the side of him that cared for her.

The AI Heat is based upon the hotheaded, angry side of Heat O'Brien that Sera regarded with fear. Like Heat O'Brien, the AI Heat comes to care for Sera deeply, though he is unsure exactly how he feels about her, reflecting Sera's own confusion of their relationship, and can only express himself with anger and force.

In the books, he holds a strong grudge towards Shin due to how Kei told him "my brother is the devil" before committing suicide. He also dislikes using his skill as a cognitive technician for things like erasing bad memories and only treats those subjects that ordinary psychiatrists are unable to treat. He is visibly disoriented when mention is made of the Technoshaman, claims to be an atheist and is visibly annoyed at Shin's complex explanation of Angel's backstory.

Profile[]

Digital Devil Saga: Avatar Tuner 2[]

Heat O'Brien is a graduate of Berkeley College as a gene therapy doctor, who joined the Karma Society's God Project and was placed in charge of Sera's physical condition. His little sister died of the Cuvier Syndrome, and he came to care for Sera as a replacement sister, giving her a black cat named Schröedinger as a present.

While Sera was being put through a painful and particularly damaging experiment which he believed she had little chance of surviving, Heat finally snapped and pulled a gun on Serph, ordering him to stop the experiment for Sera's well-being. However, he was shot in the back by Argilla's human counterpart and died. One of the scientists accidentally engaged a live feed of the control chamber into the test chamber where Sera performed, allowing her to watch as Heat died.

As a result of the horrific revelation, Sera inadvertently poured enormous amounts of corrupt data into her communication with God, maddening the entity with pain, causing the Black Sun incident.

His Solar Data was preserved, and collaborated with his spiritual successor, the AI bearing his name, and Serph, the AI version of the maniacal Sheffield, to destroy the remnants of the Solar Data of the lunatic and of a fake version of the AI originally used in the Junkyard. Following this, he finally died for good.

Quantum Devil Saga: Avatar Tuner[]

Unlike Shin Minase, who is still alive, he has the role of a posthumous character. Instead of being American-Irish like in the game, he's German and his name is Kazuki Homura.

His name is first mentioned in a scene that never happens in the game, when Serph and Heat face Varin Omega in the Junkyard: Varin, having met Shin Minase before, knows the truth about the Junkyard AIs and calls Serph and Heat by the names "Shin" and "Kaz."

He's the protagonist in book 3, which is a prologue for the entire story revolving around him and the circumstances of his death. He's an Empath (a type of psychic who can read people's thoughts), works as a cognitive technician and is in a relationship with Shin's sister Kei.

The book starts with him having a nightmare involving Kei Minase. As he awakens, he finds out he's being called by Shin Minase and sets off to North America from Melbourne. From the LCD screen of his plane, he sees people collecting food on a beach, and notices that a woman has a leg covered in crystals: he soon attributes those symptoms to the Cuvier Syndrome, a disease caused by solar radiation which causes the body to become of a glasslike transparency. Shin Minase mentions a patient with something like DID or schizophrenia.

As Kazuki reaches NY, he's taken by a group of black-suited men, to a location they can't disclose to him, and tell him he's been "chosen" by Shin for a specific project. As he struggles to get away, the guards take his MP3 player, referring to it as a "taser", then anesthetize him with a hypodermic needle. Shin tells him that the patient has killed another cognitive technician and that her mind contains "the word of God", and has to be accessed nonverbally.

Shin introduces Kazuki to the EGG facility and its research team, tells him that Sera is a "Technoshaman" (the being that acts as a proxy to God's power) and shows him the creation of Angel, a synthetic human almost identical to Sera made by a cult which has destroyed itself in a mass suicide.

He's been tasked to work with Sera and, after seeing her acting cruel and not caring for the deaths of many people, attempted to break her mind, forcing her to feel all the rage and sorrows he had felt. It's because of that operation that Sera contacted God and turned the sun black.

Shin Minase creates an "Avatar" based on Kazuki's body so that Sera could recognize him. Kazuki is supposed to serve as an "interpreter" through his abilities as an Empath.

He gets killed by a man named Henry Marcus who transforms into Michael.

Battle[]

True Heat as Agni acts as the temporary party member alongside Serph against Real Varna and Fake Varna. Because the enemies are pathetically weak and True Heat's skill repertoire is well geared, players can simply pass Serph's turn for True Heat and let him handle the rest. He can neither participate in or initiate any combo skills nor revert to human form from Agni.


Race Level HP MP Drops
- 45 330 284 -
List of Skills
Skill Effect
Agidyne Heavy Fire damage on one foe.
Skull Cleave Heavy Physical damage on one foe.
Chi Blast Medium Physical damage on all foes. 25% critical rate.
Mediarama Recovers HP moderately of party.
Diarama Recovers HP moderately of one ally.
Tarukaja Buffs Physical power by 1 level of party.
Power Charge Multiplies next Physical attack damage of caster by 2.5.
Invalid skill name of "Samarecarm". You may correct the skill name or modify module:Skills/DDSAGA2 if needed.



Characters
Playable (Avatars) Serph (Varna) - Argilla (Prithivi) - Gale (Vayu) - Cielo (Dyaus) - Roland (Indra) - Sera (Varnani) - Heat (Agni) - Seraph (Ardha)
Non-Playable Jenna Angel - Margot Cuvier - Fred - Adil - Schrödinger - Serph Sheffield - Heat O'Brien - Argilla - David Gale - Colonel Beck - Meganada - Brahman
Locations
Nirvana Occupied Sector - Underground City - Underwater Cable - Internment Facility - Karma Society Tower - EGG Installation - Power plant - Airport - HAARP Facility - Sun
Music
Albums Original Soundtracks
Songs "Alive" - "Time Capsule"
Archives
Terminology Atma - Berserk Mode - Black Sun - Cuvier Syndrome - Field hunt - Karma Society - Lokapala - Tribhvana
Lists Demons - Bosses - Mantra - Skills (Combos) - Items
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