History VisualNovel / SteamPrison

** [[spoiler:Glisssade Roselite]] is polite, pleasant, and helpful in most of Cyrus's encounters with him. Only in the late stages of Adage's path does the veneer of sanity drop, and Cyrus learns that he's been manipulating her the whole time [[spoiler:because he wants to kill her and harvest her blood. Not only that, he's the one who asked Warner Evans to have her exiled in the first place, leading to her parents' murders]].

** [[spoiler:Fitzgerald Evans, Cyrus's fiance at the start of the story]]. When first introduced, he friendly and pleasant. However, the mask comes off late in Ines's path, revealing a PsychopathicManchild who [[spoiler:stabbed Cyrus's parents to death on his own father's orders without even caring about the reason]], and murders Cyrus in Yune's chapel in the "Cold Blood" ending.

** [[spoiler:Fitzgerald Evans, Cyrus's fiance at the start of the story]]. When first introduced, the character seems friendly and pleasant. However, the mask comes off late in Ines's path, revealing a PsychopathicManchild who [[spoiler:stabbed Cyrus's parents to death on his own father's orders without even caring about the reason]], and murders Cyrus in Yune's chapel in the "Cold Blood" ending.

* ForeignLanguageTheme: "Laventelin Sininen," the ending theme, is in Finnish.

* MadDoctor: [[spoiler:Glissade Roselite]]. One may get the sense in early encounters with him that he's a bit off; just ''how'' far off the deep end he actually is becomes clear in Adage's path. [[spoiler:He's obsessed with creating life, in particular via his 'daughter' Priscilla, and is having the HOUNDS murder residents of the sanctuary district to provide him with parts]]. Two different bad endings on Adage's path, "Recessive" and "Flickering, Fading," result in [[spoiler:Glissade]] murdering Adage and Cyrus as part of his efforts to [[spoiler:revive Priscilla]].

* MummiesAtTheDinnerTable: Adage's path illustrates just how batshit insane [[spoiler:Glissade]] really is - if having women and children murdered in order to use pieces of their bodies in rebuilding his FrankensteinsMonster weren't bad enough, he vehemently insists that she's ''not'' dead, only sleeping, even as the decomposition advances to the point that Sachsen demands he do something about the stench. Adage resorts to setting the pieced-together corpse on fire to break [[spoiler:Glissade]]'s delusion, and even then it doesn't really work; in the ending "Flickering, Fading," [[spoiler:Glissade]] manages to douse the flames and starts over, while in the "Sacrificing Myself" ending, [[spoiler:Glissade burns to death trying to save his creation]].

* OffingTheOffspring: Two endings of Adage's path, "Recessive" and "Flickering, Fading," result in [[spoiler:Adage being murdered by his father, Glissade]].

* BitchInSheepsClothing: [[spoiler:Fitzgerald Evans, Cyrus's fiance at the start of the story]]. When first introduced, the character seems friendly and pleasant. However, the mask comes off late in Ines's path, revealing a PsychopathicManchild who [[spoiler:stabbed Cyrus's parents to death on his own father's orders without even caring about the reason]], and murders Cyrus in Yune's chapel in the "Cold Blood" ending.

* ABNegative: The standard terminology isn't used thanks to the setting's pseudo-Victorian-era level of medical science, but early in the storyline there is some mention of Cyrus's blood being likely to react negatively to transfusions and the description given indicates that she is type O negative. This becomes plot-relevant on Adage's path, which reveals that [[spoiler:Glissade arranged for her to be exiled to the Depths because he wants to make use her blood since the lack of antigens makes it ideal for transfusion]].

* FrameUp: Cyrus gets framed for the murder of her parents and is immediately exiled from the Heights. In Adage's path, she learns that [[spoiler:Glissade]] arranged it [[spoiler:because he wants to use her blood]].

* {{Yandere}}: [[spoiler:Fin Euclase]]. Sanity shattered by his experiences with [[spoiler:the HOUNDS and Glissade]], he fixates on Cyrus as the only light remaining for him in the darkness. He reacts violently to any real or perceived threat to her well-being, and he takes seeing her together with any of the game's love interests very, ''very'' badly.

** The police force administering the sanctuary district is called the HOUNDS, and they are compared to hunting dogs in their tenacity and viciousness. Sachsen, Ines, and [[spoiler:Fin Euclase]] in particular are frequently described in these terms. The nobility of the Heights also regard the HOUNDS dismissively as dogs - unimportant and disposable.

** The police force administering the sanctuary district is called the HOUNDS, and they are compared to hunting dogs in their tenacity and viciousness. Sachsen and [[spoiler:Fin Euclase]] in particular are frequently described in these terms. The nobility of the Heights also regard the HOUNDS dismissively as dogs - unimportant and disposable.

* AerithAndBob: A few characters have names that are completely ordinary to English-speaking sensibilities, such as Edward Valentine or Fitzgerald and Warner Evans. Others are recognizable but just slightly askew, like Fin, Ulrik, [[GenderBlenderName Cyrus, and Ines]]. And then on the far end of the scale we have characters named things like Eltcreed, Adage, Glissade, and ''Keef''.

* KillItWithFire: Near the end of Adage's path, Adage douses [[FrankensteinsMonster Priscilla]] with flammable liquid and sets her alight to destroy her past salvaging and break [[spoiler:Glissade]]'s delusion that she's still alive. In the ending "Sacrificing Myself," [[spoiler:this puts a permanent end to both Priscilla and Glissade, who burns to death trying to save his creation]]. In the ending "Flickering, Fading," [[spoiler:Glissade manages to douse the flames and immediately starts over via draining Cyrus of her blood]].

* MadDoctor: [[spoiler:Glissade Roselite]]. One may get the sense in early encounters with him that he's a bit off; just ''how'' far off the deep end he actually is becomes clear in Adage's path. [[spoiler:He's obsessed with creating life, in particular via his 'daughter' Priscilla, and is having the HOUNDS murder residents of the sanctuary district to provide him with parts]]. Two different bad endings on Adage's path, "Recessive" and "Flickering, Fading," result in [[spoiler:Glissade murdering Adage and draining Cyrus's blood to use in reviving Priscilla]].

* FrameUp: Cyrus gets framed for the murder of her parents and is immediately exiled from the Heights.

* MiscarriageOfJustice: Cyrus is arrested for murder, confined overnight, and the very next day is hauled out for her sentence to be carried out without even being officially questioned, let alone receiving anything resembling a trial.