Literature / Quantum Devil Saga: Avatar Tuner

"The future is not set in stone. It is always in motion. But he has chosen; that cannot be changed."

Quantum Devil Saga: Avatar Tuner is a series of five books written by Yu Godai and are an Alternate Continuity on the game series Digital Devil Saga.


This book provides examples of:

  • Amnesia Missed a Spot: While Sera has a pretty bad case of amnesia, she can often mutter things out of the blue that are heavily relevant to the Junkyard and then having no idea she did it afterwards or recall the rest of it.
  • Bad Dreams: Serph has a dream where he is on a battlefield back when Embryon was just he and Heat as well as their mentor figure. The dream ends when said mentor figure get's killed and Serph awakens with a scream.
  • Bat Out of Hell: Bat's Atma transforms him into the hideous bat demon Camazotz.
  • Blob Monster: Harley Q turns into a huge mass of the black goo during Embryon's battle against him.
  • Blood Knight: Heat has no problem with his Asura transformation and outright loves battles. Serph struggles not to become the same way.
    • Bat betrays the Maribel to Mick because he thought of Jinana as soft for aligning with the Embryon's more peaceful approach.
  • Body Horror: When someone is overcome by their hunger, their body will start to melt into a black tar-like goo.
  • Character Development: A central part of the story is all the characters coming to terms with the changing rules of the Junkyard and their own nature following the awakening of their emotions.
  • Combat by Champion: During the Embryons negotiations with the Maribel, Jinana declares that she will only join an alliance if the Embryon can prove their strength. As a result each side choose one to represent them in a one-on-one match. Heat for the Embryon and Bat for the Maribel.
  • Crapsack World: The world of the Junkyard is a world with nothing but constant war and perpetual rain with not even a hint of release in sight.
  • Elemental Powers: Each of the core members of the Embryon have some sort of elemental power associated with them.
  • Empty Piles of Clothing: One of the first things that clue the Embryon in on that something is wrong at the Vanguards base is the clothing and weapons spread about but no bodies to be found.
  • Everything Fades: Bodies left behind by dead soldiers tend to stick around for about three days after which they become part of the rain and are cleansed of their karma before being reborn.
  • Heroic R.R.O.D.: If someone doesn't eat regularly or after a serious battle then their Asura will try to eat the host in order to try and get sustenance. This process will cause the victim to slowly turn into a black tar-like substance.
  • Horror Hunger: In order to keep themselves alive they have to eat each other or the black goo that others have become. The only alleviation for this is Sera's blood. Unusually, the Embryon prove that the blood is capable of bringing someone (Jinana) back to their senses after she's lost herself to the bloodlust. However, it takes a lot more blood (Jinana needed a transfusion even after being fed most of the blood the Embryon gave the Maribel), it had to be done immediately after Jinana went crazy, and the process was a lot more dangerous.
  • Incorruptible Pure Pureness: Discussed regarding Sera. She's, bar none, the healthiest person the Embryon medics have checked - no scars, little musculature, perfectly clean - so healthy, the soles of her feet have no calluses at all. The team's somewhat unnerved, wondering what kind of life could produce such a person.
  • In the Hood: Bishops such as Gale all wear hoods that hide's their many, many implants at the back of their heads.
  • Martial Pacifist: Serph may prefer to take the diplomatic approach to his enemies, but should one force his hand then he will not hesitate to cut them down.
  • No Body Left Behind: For people infected with the Asura virus they melt into piles of black goo upon death.
  • "Open!" Says Me: When Harley Q locks himself in his command room, Heat simply kicks the door off its hinges.
  • Precision F-Strike: Argilla, upon being told about the nature of Atma, cannot contain herself and let's out the following line:
    Argilla: "The Church can go fuck itself!"
  • Rewarded as a Traitor Deserves: After falling for the Embryon's bluff and stealing a decoy (which they think is the source of the Atma-controlling chemical), Mick and Bat try to join up with the Solids. Varin Omega is unimpressed with either of them, has their machine confiscated and both tossed in a cell.
  • Spock Speak: Gale often speaks in an extremely precise manner and does not shy away from using more complex words. This ends up leading to a lampshade by Cielo:
    Cielo: "Good grief man, could you be any wordier?"
  • Statuesque Stunner: Argilla is noted to be both very tall and muscular.
  • Supernatural Gold Eyes: If someone gets golden eyes, beware: it is a sign that they are frighteningly close to losing control.
  • There Can Be Only One: All the tribes are fighting to be the last one standing and get he rights to ascend to Nirvana.
  • Truce Zone: The area of Sahasrara where the Church of Karma is located is a place where any sort of fighting is strictly forbidden.
  • You Gotta Have Blue Hair: Every character have some kind of distinct hair and matching eye color. This leads to some confusion for Serph since Sera's black hair is completely unheard of.
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