History MoralEventHorizon / Gundam

* In ''Anime/MobileSuitGundam'', Gihren Zabi crosses it when he takes being compared to UsefulNotes/AdolfHitler as a compliment.

** The third season adds one from [[spoiler: Zeheart Galette, ex AntiVillain, who commands the destruction of Kio's home colony.]] And then there was Episode 48, [[spoiler: where he sacrifices a large portion of the Vagan forces in an effort to destroy the Diva and Gundams. In-universe, everyone [[MassOhCrap was understandably horrified.]]]]

* The Mobile Suit Gundam series has TONS of them:
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** In ''Anime/MobileSuitGundam'', Gihren Zabi crosses it when he takes being compared to UsefulNotes/AdolfHitler as a compliment.
** ''Manga/MobileSuitGundamTheOrigin'':
*** Operation British is given such a gravity and focus in this adaptation of the story and ''The Origin'' very clearly highlights the scope of the atrocity. The thousands killed by the gas, the millions killed by the Colony's drop, and the lack of remorse that Gihren had in masterminding the whole thing. Ramba Ral is immediately repulsed upon hearing about the plan and bails even if it means being demoted, Degwin loses faith in the Zeon ideal right then and there, and its one of the major reasons why Revil refuses to agree to Zeon demands as he'd be submitting to monsters like Gihren.
*** Kycilia ordering the bombing of a domestic cruiser because of reports that Casval was aboard. Over fifty innocent people are killed, including [[spoiler:the original Char Aznable]]; and the losses mean nothing to her.
** Ginias Saharin of ''Anime/MobileSuitGundamThe08thMSTeam'' has his [=MEH=] when he kills his commanders after realizing leaving Earth means ending the Apsalus Project.
*** Captain Ethan Ryer crosses it when Aina Saharin asks for a brief cease fire to get wounded soldiers out of the battlefield, he gives it... then has a [=GM=] Sniper set up and destroy the Zanzibar transport they were on.
** Anaval Gato of ''Anime/{{Mobile Suit Gundam 0083|Stardust Memory}}'' has his when he fires the GP-02A's Atomic Bazooka.
** In ''Anime/MobileSuitGundamZZ'' the Dublin ColonyDrop serves as an MEH for Haman Karn (who ordered it), for Mashmyre Cello (who aims the asteroid), for Rakan Dakharan (who shoots down transports and destroys bridges to make sure no one can escape) and for the EF officials (who stand by and let it happen).
** ''Anime/MobileSuitGundamCharsCounterattack'':
*** After previously shifting towards an AntiHero role in ''Anime/MobileSuitZetaGundam'', Char crosses the horizon for good in the opening of ''Anime/MobileSuitGundamCharsCounterattack'' with the ColonyDrop of Fifth Luna, cementing him as beyond the pall.
*** Char's Dragon, Gyunei, ends up crossing the MEH as well. At some point he defeats and captures Amuro's wingman and the local ActionGirl Kayra Su, forcibly pulling her out of her cockpit and keeping her hostage in his Jagd Doga's hand. He then stages a HostageSituation to try getting Amuro and the Nu Gundam to surrender; when the funnels of the Nu accidentally react to Amuro's anger over it, Gyunei ''uses the Doga's hand to crush Kayra to death'', then tosses her lifeless body aside like it's nothing. Amuro, understandably, [[UnstoppableRage is PISSED at that.]]
** [[spoiler: Ulube Ishikawa and Dr. Mikamura]] have theirs in ''Anime/MobileFighterGGundam'' when they attempt to capture the Devil Gundam for their own uses, which leads to [[spoiler: the death of Domon's mother, the imprisonment (and silencing) of Domon's father, and Kyouji becoming the Core Unit of the mutated Devil Gundam]]. When the end result of all of this leads to [[spoiler: Dr. Mikamura's innocent daughter Rain [[BarrierMaiden becoming the Devil Gundam's core]] ]], the second in the list ends up having a HeelRealization and, [[spoiler: having been shot by the gleeful Ulube, with his dying breath he begs Domon to save his daughter and releases Domon's father's capsule, which allows Domon's friends to rescue him.]]
** The Frost Brothers of ''Anime/AfterWarGundamX'' probably reach theirs after killing off a group of people in an attempt to awaken their Newtype abilities. When they do with one person, they kill him as well ''out of sheer jealousy.''
** ''Anime/MobileSuitGundamSEED'' has PLENTY here. [[TheStrategist Captain Sutherland]] and the Earth Alliance in general by nuking their base with a lot of their allies in it, ZAFT soldiers killing [=POW=]s after said incident, Muruta Azrael after convincing the [=EA=] to fit N-Jammer Cancelers onto their nuclear missiles and promptly launching them into every hole within the meteor base Boaz... Patrick Zala's is killing off the Moderates within ZAFT (including Lacus Clyne's father).
** Continued in ''Anime/MobileSuitGundamSEEDDestiny''. Lord Djibril sends the Destroy Gundam to attack European cities because they won't follow Blue Cosmos. Then comes his plan on using [[WaveMotionGun Requiem]] on PLANT colonies.
** And we may have a winner here with Ali Al-Saachez from ''Anime/MobileSuitGundam00.'' he starts by recruiting Kurdish kids into a jihadist army while posing as an iman. The only requirement for joining is that they [[SelfMadeOrphan murder their parents first]]. Then he sends several of them out into the world to do suicide bombings. And when things go sour, he just packs up and leaves them to be crushed by the enemy [[HumongousMecha mobile suits]]. The icing on the cake is that he didn't given a damn about the cause – he's an atheist who only used religion as a means to manipulate people for his own depraved goals, so to speak. And this is all ''before the story even started'', where he gets many, ''many'' more opportunities to show how much of a dick he can be.
*** Not too far behind Ali we find the A-laws, who have no trouble at all with firing their orbital WaveMotionGun at a solar elevator, to kill the rebelling forces inside, the 60,000 civilian witnesses, and the hundreds of thousands of people living below who will be crushed by the falling debris, just to prevent the populace from learning of their previous misdeeds.
*** Nena Trinity doesn't mess around with crossing the line as well. Out of boredom and hatred to those not playing by Trinity's rules, she vaporized a wedding in Spain (Louise Halevy was the only known survivor). With her LackOfEmpathy and having zero regret over this incident.
*** Ribbons Almark himself crosses the line switch the reveal in Season 2 that [[TheManBehindTheMan he was the one who ordered the many horrific atrocities in the series]] from the A-laws' brutal purges to Ali's destruction of Azadistan.
** ''[[Anime/MobileSuitGundamAge Gundam AGE]]'' has Desil Galette crossing the line in episode 14: [[spoiler:for manipulating and then killing Yurin for the sake of defeating Flit, then justifying it by saying that her life didn't matter, she was nothing more than another weapon/toy for him to use, and that her involvement and death just served to make things more ''fun!'']] All this from a ''7-year-old child''. These events lead to most of the fandom screaming for his blood.
*** The third season adds one from [[spoiler: Zeheart Galette, ex AntiVillain, who commands the destruction of Kio's home colony.]] And then there was Episode 48, [[spoiler: where he sacrifices a large portion of the Vagan forces in an effort to destroy the Diva and Gundams. In-universe, everyone [[MassOhCrap was understandably horrified.]]]]

** ''Anime/MobileSuitGundamSEED'' has PLENTY here. [[TheStrategist Captain Sutherland]] and the Earth Alliance in general by nuking their base with a lot of their allies in it, ZAFT soldiers killing [=POW=]s after said incident, Muruta Azrael after convincing the [=EA=] to fit N-Jammer Cancelers onto their nuclear missiles and promptly launching them into every hole within the meteor base Boaz... Patrick Zala's is kinda hard to pin down, though there are three good candidates - killing off the Moderates within ZAFT (including Lacus Clyne's father) because of JOSH-A's failure, shooting and having his son Athrun arrested soon after or attempting to fire GENESIS on the Earth.

*** Not too far behind Ali we find the A-laws, who have no trouble at all with firing their orbital WaveMotionGun at a solar elevator, to kill the rebelling forces inside, the 60.000 civilian witnesses, and the hundreds of thousands of people living below who will be crushed by the falling debris, just to prevent the populace from learning of their previous misdeeds.

*** Ribbons Almark himself crosses the line so many countless times. He was revealed in Season 2 that [[TheManBehindTheMan he was the one who ordered the many horrific atrocities in the series]] from the A-laws' brutal purges to Ali's destruction of Azadistan. However, he may have crossed the line earlier when he lets Ali kill the Trinities (his bioengineered children) and kills his loyal friend [[spoiler:Alenjandro Corner]] who genuinely liked Ribbons.

** In ''Anime/MobileSuitGundam'', Gihren Zabi crosses it when he takes being compared to UsefulNotes/AdolfHitler as a compliment. And then vapourises his father with a WaveMotionGun, made worse because he also killed ''many soldiers on his own side'' [[spoiler: and completely doomed Zeon]].

** For [[Characters/GundamCharAznable Char Aznable]], there is debate on exactly when he crossed the horizon:
*** The OVA of ''Manga/MobileSuitGundamTheOrigin'' suggests that Char could have crossed it long before his betrayal of Garma by intentionally leading [[spoiler:Lino, his roommate and friend of the real Char]] to get killed by UnfriendlyFire just for learning his identity. He was loyal to him, and begged for help right before his death.
*** In ''Anime/MobileSuitGundam'', many found that Char crossed it when he [[spoiler:arranged Garma's death]]. What really makes Char's crossing of the moral event horizon work is that he didn't just kill [[spoiler:Garma, he also killed the entire crew of the Gaw that Garma was on. And ''this'' is coming from a man who had been shown to genuinely mourn the loss of his subordinates.]] Chew on that for awhile.
*** After previously shifting towards an AntiHero role in ''Anime/MobileSuitZetaGundam'', Char crosses the horizon for good in the opening of ''Anime/MobileSuitGundamCharsCounterattack'' with the ColonyDrop of Fifth Luna, cementing him as beyond the pall.

** In ''Anime/MobileSuitGundamCharsCounterattack'', Char's Dragon, Gyunei, ends up crossing the MEH as well. At some point he defeats and captures Amuro's wingman and the local ActionGirl Kayra Su, forcibly pulling her out of her cockpit and keeping her hostage in his Jagd Doga's hand. He then stages a HostageSituation to try getting Amuro and the Nu Gundam to surrender; when the funnels of the Nu accidentally react to Amuro's anger over it, Gyunei ''uses the Doga's hand to crush Kayra to death'', then tosses her lifeless body aside like it's nothing. Amuro, understandably, [[UnstoppableRage is fucking PISSED at that.]]

** In ''Anime/MobileSuitGundam'', Gihren Zabi crosses it when he takes being compared to UsefulNotes/AdolfHitler as a compliment. And then vapourises his father with a WaveMotionGun, made worse because he also killed ''many soldiers on his own side'' [[spoiler: and completely doomed Zeon]]. Some would contend that Char Aznable crossed it when he sent his [[strike:boyfriend]] comrade Garma Zabi on a suicide mission because Garma's father killed Char's father when Garma was four.

*** The OVA suggests that Char could have crossed it long before his betrayal of Garma by intentionally leading [[spoiler:Lino, his roommate and friend of the real Char]] to get killed by UnfriendlyFire just for learning his identity. He was loyal to him, and begged for help right before his death.

*** If Char himself didn't cross it in his previous appearances, he definitely did with the ColonyDrop of Fifth Luna at the beginning of ''Char's Counterattack''.

*** Would you believe that ''AGE'' is the first ''Franchise/{{Gundam}}'' series to have its main protagonist (Flit Asuno) cross the line? [[spoiler:In Episode 28, when the Prime Minister was making negotiations with Vagan so they'd reach a compromise to prevent the destruction of both sides, Flit stops them. He has the Minister arrested and executed for treason and he purges anyone with any Vagan sympathies or ties in the Federation. And then he reveals his entire goal is the complete and utter genocide of Vagan! If he hasn't already [[JumpingOffTheSlipperySlope jumped off the slippery slope]] then, he certainly has now.]]

** ''Anime/MobileSuitGundamCharsCounterattack'', Char's Dragon, Gyunei, ends up crossing the MEH as well. At some point he defeats and captures Amuro's wingman and the local ActionGirl Kayra Su, forcibly pulling her out of her cockpit and keeping her hostage in his Jagd Doga's hand. He then stages a HostageSituation to try getting Amuro and the Nu Gundam to surrender; when the funnels of the Nu accidentally react to Amuro's anger over it, Gyunei ''uses the Doga's hand to crush Kayra to death'', then tosses her lifeless body aside like it's nothing. Amuro, understandably, [[UnstoppableRage is fucking PISSED at that.]]

*** Nena Trinity doesn't mess around with crossing the line as well. Out of boredom and hatred to those not playing by Trinity's rules, she vaporized a wedding in Spain (Louise Halevy was the only known survivor). With her LackOfEmpathy and having zero regret over this incident, it's pretty easy to see why many fans, [[AmericansHateTingle especially those from America]], [[TheScrappy hate her so much.]]