* AlternateCharacterInterpretation: While Layna means well and is right about trying to fix the world, one could call her out on setting Revya up from the start without even asking until AFTER the fusion. [[spoiler: One could say she had it coming in the Demon Path.]]
** Revya gets some of this thanks to the Demon Path.
* AwesomeEgo: Gig. He is a rude {{Jerkass}} that acts like he's better than everyone else. His fans agree, especially because of how funny he is.
** [[spoiler: Raksha as well, once you finally find out what he was up to.]]
* BigLippedAlligatorMoment: The first time you run into Heroman (no, not ''[[{{Heroman}} that]]'' Heroman), which is guaranteed to elicit a "what the fuck" the first time you see him. Even Gig is caught off guard by how silly he is. See VideoGameCrueltyPotential for more.
** [[Franchise/{{Disgaea}} Laharl]] [[OneSceneWonder berates you]] [[spoiler:[[OneSceneWonder if you chose the Overlord title when you're prompted to choose one in the Demon Path]]]].
** ''Hey, I'm Kotaro. I'm gonna help you out for a while.''
* CounterpartComparison: IllGirl Euphoria looks like an older bovine Castille[[spoiler:, Endorph's sister from ''PhantomBrave'' who was also an ill girl. Depending on how you see it, Endorph/Walnut eventually falling for and marrying Euphoria can lead to some rather UnfortunateImplications.]]
* CreepyAwesome: [[spoiler: Demon Path Revya. Playing as him/her has you going down atrocity after atrocity with no sense of morality that put [[GodOfWar Kratos]] at his worst to shame, the only hints of redemption come if you lose FinalBattle, and nothing you do is PlayedForLaughs. But as horrifying as that it is, it's undeniable that there's a degree of awesome playing as a BigBad that ends with with a borderline ZeroPercentApproval through their sheer depravity and still triumph of all that stands in your way.]]
* CrossesTheLineTwice: Much of the humor in Demon Path is definitely this. [[spoiler:Case in point, Galahad, an extreme ButtMonkey whose personality shifts from salesman to Prism Ranger among other things. He is going through these personality shifts out of sheer SanitySlippage from all the atrocities you're committing.]]
* CrowningMusicOfAwesome: This game is just full of masterpieces to say the least.
** [[http://www.youtube.com/watch?v=lTB_E8fLD3k&hd=1 Requiem of Gemini]]
** [[http://youtu.be/QtvdQkS-Fjc Crash Landing]]
* EnsembleDarkhorse: Gig. Ask anybody about the game and they'll definitely say he's the highlight.
** Asagi, this being the game that started her trend in NIS's games.
* FanPreferredCouple: While the game has no OfficialCouple, Gig X Revya is the most popular. They are "''soulmates''", after all.
* FridgeBrilliance: If there was any doubt that [[spoiler:Gesthal and Median are the same people]], check out their moves: though rearranged, all of [[spoiler:Median]]'s attacks work the same as [[spoiler:Gestahl]]: Hitting the row, column, or the entire party. And their skills are the same, just named differently[[spoiler:; Median's being around his royalty, and Gesthal's being about revenge.]]
* FridgeHorror: So, while playing the game, you have heard about Crimson Tears and seen them a bit often. Then at some point, you learn that [[spoiler: by giving up their life, Danette's parents become those [[HeroicSacrifice to save her]]]]. While that is fine by itself, when you add up that to the other stuff that happens... Did [[spoiler:Thuris]] get his many, many Crimson Tears from [[spoiler:his fanatical followers who would gladly give their lives?]] And it's mentioned that it cost a lot to have a Crimson Tear made. And Yesterwind, [[spoiler:sells a lot of children and Orviska is their best buyer. And coincidentally, the real Dio has Crimson Tears as well.]] The more you think about it, the less you wonder why they have such a bad reputation.
* GameBreaker: Gideons. They've been compared to Majins in the VideoGame/DisgaeaHourOfDarkness for how broken they are.
** [[spoiler: Gestahl in the Demon Path.]]
** Also, Hades' Despair rooms; their Outer Limit decor not only negates the penalty for having low stamina -- one of the game's primary limiting mechanics -- but causes you to ''gain'' a percentage to your stats equal to the percentage of stamina you've lost. Typical decors give you a 20% stat bonus in exchange for a hefty drawback; Hades' Despair gives you a bonus that can approach ''100%'', with additional advantages, letting you easily curbstomp otherwise equal groups. Oh, and it makes it so you die if your stamina ever reaches 0, but that's easy to avoid.
* HoYay: Gig treats male Revya no different than female Revya. Right down to the soulmate business.
** Also applies to Dannette, especially in her ending.
** The male Levin ending also has shades of this. [[spoiler: Revya essentially abandons his life, friends and family in favor of WalkingTheEarth with Levin to find the meaning of their respective existences.]]
* ItWasHisSled: The Demon Path is...infamous.
* JerkassWoobie: Though she never reveals her past to anyone but Trish, Shauna's past sucked. [[spoiler:Having her home hit with the game's equivalent to ThePlague, villagers breaking in to her home, separated from her family and caretaker, forcing herself to fend for herself at a very young age. Of course, she'd probably kick your ass if you try to give her a hug, unless you're Trish.]]
* LoveToHate: Gig.
* MagnificentBastard: [[spoiler: Raksha, also responds to 'Levin'. Those filler sidequests are his {{Scheme}}.]]
* MoralEventHorizon: The Demon Path as a whole for Revya[[spoiler:, starting with killing Layna and everyone in his/her village.]]
** Thuris the Scarlet Iago. He had no reason for this, he just wanted to kill people.
** Kanan butchering the village of Pulkina[[spoiler: (and Danette's parents)]] in the name of Thuris.
** [[spoiler: Drazil's plan. He tricked Median into killing Vigilance. But then he decides having souls flow into his world wasn't enough, so he sends Gig and the World Eaters to kill everything on Heaphness, and just to recap, this guy turn Gig into the AxCrazy nut he is at the start of the game and created Thuris.]]
* MostAnnoyingSound: Pinot's voice in the Demon Path, especially her "Demon Spawn!"
* NamesTheSame: No, the "World Eaters" in the title have nothing to do with the [[Warhammer40K Khorne-worshiping Space Marines.]]
* NightmareFuel: [[spoiler:The Demon Path.]]
* OffscreenMomentOfAwesome: The build-up to [[spoiler: Endorph's final Psycho Burgundy]] is excellent, but the impact was never shown.
* OneSceneWonder: When prompted [[spoiler:to choose a title in the Demon Path]], choose the second choice. Enter [[spoiler:the voice of [[VideoGame/DisgaeaHourOfDarkness Laharl]], which berates you for taking the title of an Overlord lightly and complains that he went through so much abuse for it]], and disappears. Gig and Revya think they're hearing things, and [[BigLippedAlligatorMoment no ever speaks of it again]]. The moment is one of the most famous in the game.
* ShockingSwerve: The Demon Path, to put it lightly.
** [[spoiler: Levin's betrayal, starting with him literally backstabbing Layna.]]
* SuperlativeDubbing: The game is often cited as the best dubbed NISA game with {{Yuri Lowenthal}}'s Gig being especially praised.
* ThatOneBoss: Shauna can kill Revya without much difficulty due to Revya having a [[TacticalRockPaperScissors terrible matchup against the Gypsy class]].
** Gestahl is all about smashing your entire party ForMassiveDamage. And his tactics are all about smashing your entire party and any others on a line behind them ForMassiveDamage, or turning his [[ForMassiveDamage Massive Damage]] UpToEleven. His decors are all about nerfing your parties so he can hit you ForMassiveDamage even better. It's easy to see why he's very difficult, even when he's entirely alone.
* ThemeMusicPowerUp
** In the Demon Path however, Desperado usually plays when [[MoralEventHorizon something really bad]] is going to happen/is happening.
* UnpopularPopularCharacter: Gig is disliked by most of the cast. Among fans, he's the most popular character in the game, many times being amongst the top 10 in Nippon Ichi's polls.
* ViewerGenderConfusion: [[spoiler:Kanan.]] An unusual case, everyone refers to [[spoiler:him]] with [[spoiler:female]] pronouns and [[spoiler:he]] has the same class as all [[spoiler:female Dracons.]] Basically, it's not just the viewers are confused about this one.
* TheWoobie: Tricia. Especially in the Demon Path.
** IronWoobie: She's more like this in her ending.
** [[spoiler: Levin becomes one in his ending, where he's shown to have legitimate remorse over his actions across the game, but is too guilty to return home. He also has absolutely no guidance in life and wonders why he was brought back in the first place. The only companion he has is Revya, who he continually tries to get to stop following him, despite clearly wanting to keep them around.]]
* {{Woolseyism}}: It's doubtful that the TakeThat to John Romero during the Asagi fight was there in the Japanese version...