''PRISM ARK ~PRISM HEART II~'' is a Japanese erotic video game and the sequel of ''Prism Heart'', developed by Pajamas Soft. Its first release was on August 25, 2006. This work contains adult-only content of a sexual nature.

An anime entitled PRISM ARK began airing on Chiba TV, on October 8, 2007.

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!!Tropes associated with ''Prism Ark'':
* AchillesHeel: The Angel's crystal forehead. It is invincible against any attack until you cast magic to AttackItsWeakPoint.
* AcupAngst:
** Orthy in the anime.
** PlayedForLaughs in the third DVD special, where Litte makes a potion to make herself and Fel grow into busty women.
* TheAnimeOfTheGame
* AnIcePerson: Fel's specialty.
* BerserkButton: Litte has an evil aura which scares people off whenever she's upset. Karin goes nut and becomes crazily dangerous when ghosts are nearby (or that she thinks they are). And in the 2007 FBC manga – Hyaweh, to NightmareFuel territory.
* {{BFS}}: Acty's Sword.
* BleachedUnderpants: Though still large in FanService.
* BreakingTheFourthWall: Occasionally in the DVD specials, such as Pricia in the second one when she kicks and breaks the camera
* CallingYourAttacks: Mostly Pricia with her Glow Lash, but others do it too, such as Karin.
* ClothingDamage: Precia is the main victim of this.
* ChurchMilitant: Theresa/Sister Hell.
* CrouchingMoronHiddenBadass: Kizarov.
* DarkerAndEdgier: The 2007 manga version by FBC have changed moe-moe element into darker, bloodier story and characters with crazy eyes. Karin was totally different from her original game counterpart.
* DeathFromAbove: In episode 12 some of the attacking soldiers suffer this when Hyaweh activates [=MEGIDO=].
* DemotedToExtra: Felia in 2007 manga.
* DroppedABridgeOnHim: The whole Windland knight academy in the 2007 manga. [[LampshadeHanging Litte is not pleased.]]
* EverythingsBetterWithPrincesses: Precia, [[spoiler:Felia.]]
* FirstGirlWins: [[MultipleEndings Outside of the game]], Precia is a main love interest.
* GoodEyesEvilEyes: FBC Hyaweh, post BreakTheCutie, so much.
* GenkiGirl: Fel and Filia.
* HeroicBSOD: Hyaweh get a serious one in the FBC manga which turned him into a darkside.
* HumongousMecha : The "Angels".
* HyperAwareness: Hyaweh and Felia can ''feel'' the wind.
* IdiotBall: Acty, probably...
* LethalChef: Karin in the first DVD special, PlayedForLaughs.
* LovableSexManiac: Kizarov
* {{Miko}}: Kagura is dressed like one, but doesn’t really act like it (she's more of an archer and uses a bow as her weapon).
* TheMole: Bridget is supposed to be this, but she's not doing a very good job…
* NakedFirstImpression: Hyaweh & Precia, applied with Precia's parents as well.
* PornWithPlot: The original HGame, at least.
* PutOnABus: Due to DroppedABridgeOnHim above. [[LampshadeHanging Litte is not happy about this.]]
* ScaryShinyGlasses: Litte, occasionally, but especially in episode 12.
* SpitTake: Meister in the first episode after Hans blurts out a secret Meister told him. Hyaeth twice in the second DVD special, after Pricia's "peeping tom" comment.
* TokenMiniMoe: Fel, Filia, Litte while most of others have large breasts.
* {{Tsundere}}: Precia towards Hyaweh.
* TheWarSequence: First episode.
* YouShallNotPass: Kagura in episode 12, in order to let Hyaweh & Precia get back to the academy.
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