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->''"One little Indian boy left all alone\\
He went and hanged himself, and then there were none."''
-->-- '''Creator/AgathaChristie''', ''Literature/AndThenThereWereNone''

{{Tragedy}} (or BlackComedy) wouldn't be the same without a final death to close the series of murders. When the last character doesn't find death on the battlefield or at the hands of their nemesis, they can still kill themselves to ensure drama and catharsis.

Note that this trope applies both if the survivor is a victim or is the murderer.

See also DrivenToSuicide, AnyoneCanDie (when they actually do), and GottaKillEmAll. Can be part of a ThanatosGambit. An EveryoneDiesEnding story might end this way. Sometimes triggered by BetterToDieThanBeKilled, or by SurvivorGuilt. If the suicide attempt fails, then we have a SoleSurvivor.

'''WARNING: This is a {{Death Trope|s}}, expect unmarked spoilers ahead.'''
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!!Examples:

[[foldercontrol]]

[[folder:Anime & Manga]]
* The last remaining character on ''Manga/{{Basilisk}}'' kills himself, leaving the samurai to sort out the resulting mess.
** Double-example, since the last two ninja, lovers, both intended to lose and die in the duel they'd been forced into. It could've gone either way.
* In the ''Manga/CaseClosed'', "Moonlight Sonata Murder Case", the murderer tries to invoke the trope by [[spoiler: trying to make it look like their last murder victim was in fact the murderer and committed suicide instead of being murdered]]. When the identity of the real murderer is revealed, the real murderer [[spoiler: commits suicide]].
* The last character to die in ''Manga/DeathNote'', [[spoiler: Misa Amane]], commits suicide.
* Several examples from ''VisualNovel/HigurashiWhenTheyCry''. ''Onikakushi-hen'' ends with Keiichi's suicide after murdering Mion and Rena, while ''Watanagashi-hen'' ends with Shion's accidental death/suicide.
** ''Tatarigoroshi-gen'''s Visual Novel version explains that [[spoiler:after the Hinamizawa Disaster, only Kasaii, Shion and Keiichi were left. After Kasaii's death (from inhalation of fumes during the disaster), Shion committed suicide, and several months later, Keiichi (now in a mental hospital) also commits suicide]].
[[/folder]]

[[folder:Comic Books]]
* Frank Castle kills himself at the end of ''Comicbook/ThePunisherKillsTheMarvelUniverse'' after realizing that he's the only superhuman who hasn't been killed and out of guilt for killing Daredevil who turned out to be his childhood friend.
[[/folder]]

[[folder:Fan Works]]
* ''Fanfic/{{Pokedex}}'' describes the wars of the Level X Pokémon (a shoutout to the Pokémon TCG) culminating in Flygon Lv. X, which are capable of a technique that can easily kill any other Level X Pokémon. The last Flygon Lv.X, with no other Flygon left to kill, turns the technique on itself.
[[/folder]]

[[folder:Film -- Live Action]]
* ''Film/TheLastSamurai'' ends with the assisted suicide/seppuku of [[spoiler: Katsumoto]], who is either the last or the penultimate samurai, depending on whether you count the American Nathan Algren.
* Averted in the movie version of ''Film/TheMist'': Driving through the endless mist, thinking that everything is hopeless, [[spoiler: the characters decide to commit suicide]]. The [[spoiler: protagonist]] takes a gun and methodically shoots everyone in the car, including his [[spoiler: ''own son'']]. Last, he turns the gun on himself... [[spoiler: only to realize that he's out of bullets]].
* ''Film/OpenWater''. [[spoiler: Susan]] gives up and drowns [[spoiler:herself]] after [[spoiler:her husband Daniel]] dies.
* Played with in ''Film/PennAndTellerGetKilled'': [[Creator/PennAndTeller the titular duo]] get the titular killed after a series of pranks which Penn set up to pretend that someone was out to kill him; Penn's girlfriend immediately kills herself after by jumping out of a window in horror; [[https://www.youtube.com/watch?v=OIxxVYuxl64 the actor Penn hired kills himself]] because Penn set it up so well that nobody will believe that he didn't kill Penn & Teller. The actor's friend, a would-be politician who came to the post-performance party, kills himself because his career is over before it even began. A pair of cops show up; one takes the VomitingCop routine to its ultimate conclusion, killing himself, and the other one does too. FadeToBlack as more and more people come across the crime scene and kill themselves. So you think that each one would be the final suicide, but it just keeps going.
* ''{{Film/Serenity}}'': The ApocalypticLog that the crew finds on [[GhostPlanet Miranda]] has a researcher attempting this, but she is [[FateWorseThanDeath interrupted by the Reavers]].
* ''Film/TheTheatreBizarre'': In "I Love You", upon discovering that he has murdered his lover Mo, CrazyJealousGuy Axel kills himself: not wanting to allow her to escape him even in death.
* Not shown but strongly implied in the movie version of ''Creator/{{Clamp}}'''s '''' (the manga and the series left much more people alive).
[[/folder]]

[[folder:Literature]]
* ''Literature/AndThenThereWereNone'' uses this trope twice. First, after witnessing the murder of [[spoiler: her]] companions of misfortune, [[spoiler: Vera Claythorne]] finally snaps and hangs [[spoiler: herself]] out of guilt, thus completing the series of deaths with a suicide, following the original rhyme. Then it becomes clear that [[spoiler: the murderer was still alive after her death]], but the trope is finally played straight once again because [[spoiler: U.N. Owen kills himself too in the end]].
** Of course, the nursery rhyme provides the page quote.
* ''Literature/BraveNewWorld'': [[spoiler: John the Savage]] hangs himself, and the novel closes on his corpse being found. Of course, he's not the only one left alive by far, but, from his standing, he's the last "real man" left.
[[/folder]]

[[folder:Live-Action TV]]
* ''Series/CriminalMinds'' episode "Reckoner" played with this trope. A HangingJudge organized the murders of some {{Karma Houdini}}s that had managed to evade justice and put [[spoiler: his own name on the list because he was going to die anyway of cancer]]. At the end, [[spoiler: he didn't kill himself but was sniped by the mobster he had hired to kill the other victims]].
* [[spoiler:Frobisher]] kills his family and then himself in ''Series/TorchwoodChildrenOfEarth''.
* In ''Series/TheWalkingDead'', there is only one surviving scientist left at the CDC headquarters after a ZombieApocalypse. He's watched his colleagues be infected and killed, run off (and presumably die), or suicide until he was all alone. By the time the protagonists find him, the generator is nearly out of fuel and the CDC is less than a day away from self-destructing. [[spoiler: He knows it's going to blow, but chooses to stay and end it rather than leave]].
* ''Series/TheXFiles'': The last of a group of astronauts who had been traumatized during their mission chooses to kill himself after various gruesome deaths (including other suicides) take out the rest of them.
[[/folder]]

[[folder:Music]]
* ''Music/UltimateShowdownOfUltimateDestiny:'' In the music videos, the victor ([[spoiler:[[Creator/FredRogers Mister Rogers]]]]) sheds a SingleTear before committing {{seppuku}}.
[[/folder]]

[[folder:Theater]]
* ''Theatre/{{Hamlet}}'' narrowly averts this (or maybe it subverts it); at the end, Hamlet's friend Horatio is so overwhelmed by the events of the plot that he tells a dying Hamlet that he's going to kill himself; Hamlet tells him not to, he needs to be the SoleSurvivor to tell Fortenbras that he (Fortenbras) is now the king of Denmark.
* ''Theatre/JuliusCaesar'': Brutus kills himself in the end by running himself on another's sword (since his Stoic philosophy forbade him from directly committing suicide), though it's unknown how many of the other conspirators were hunted down and killed off hand.
* ''Theatre/{{Othello}}'': Othello stabs himself.
[[/folder]]

[[folder:Video Games]]
* Subverted in ''VideoGame/FinalFantasyVI''. After Cid dies, Celes is left alone on an island, potentially the last person left alive on the planet besides BigBad Kefka. Unable to cope with the loss, Celes climbs to a high cliff and throws herself from the top, intending to kill herself. However, she survives the attempt, and sees a seagull with Locke's bandanna, giving her hope that someone else is still out there.
** It's also possible to avert this by nursing Cid back to health, which prevents Celes from attempting suicide. However, WordOfGod says the ending where Cid dies is canon. Some players prefer to [[VideoGameCrueltyPotential let Cid die]], saying that Celes trying to kill herself is much more dramatic.
* ''VideoGame/{{Lisa}}'': In the first game, all of the Salvation Rangers die except for Salvation Green and Salvation Pink, who had left the group prior to that. You can find Green in ''Joyful'' (now going by his real name, Tooley) if you pick up his mask. When Buddy completes the List and returns to Tooley, she finds his hanged corpse instead, with the achievement gotten from witnessing this suggesting he did it in response to the deaths of the Rangers.
* In ''VideoGame/MassEffect3'', if you side with the geth over the quarians, the Migrant Fleet will be wiped out. Tali, with Shepard at the time, kills herself, and not even the Paragon interrupt can save her.
* The last death on the eponymous GhostShip of ''VideoGame/ReturnOfTheObraDinn'', [[spoiler:Captain Robert Witterel]], shoots himself in the chest.
* [[MultipleEndings One of the endings of]] ''VideoGame/SpecOpsTheLine''.
-->''"I know the truth is hard to hear, Walker, but it's time. You're all that's left, and '''we can't live this lie forever.'''"''
[[/folder]]

[[folder:Webcomics]]
* Played for BlackComedy in ''Webcomic/{{Jailbreak}}''. After a series of escapades trying to escape the prison, you finally escape, but leave all of your fellow prisoners (not to mention a guard and a whale) dead, including one guy you escaped with. Filled with despair, you take out the gun you've been carrying and kill yourself near a tree stump, leading to a GameOver.
* In ''Webcomic/TheOrderOfTheStick'', Xykon uses a Symbol of Insanity to force a large crowd of paladins to fight one another to the death. When the last surviving paladin recovers from the symbol's effects, she commits {{Seppuku}} AtopAMountainOfCorpses.
[[/folder]]

[[folder:Web Video]]
* The winners of the ''WebVideo/LifeSMP'' tend to go out this way, resulting in an EverybodyDiesEnding.
** The winner of [[WebVideo/ThirdLifeSMP Season 1]], [[spoiler:Grian]], gives a heartfelt goodbye to his friends and the audience before jumping off a mountain to his death. This is done immediately after [[spoiler:beating his closest friend and ally to death in a not-so-voluntary death match.]]
** The winner of [[WebVideo/LastLifeSMP Season 2]], [[spoiler:Scott]], tells his pet axolotl that there's "only one thing left to do now", and starts making his way to higher ground. [[spoiler:Grian kills him with commands before he can actually kill himself, though.]]
** The winners of [[WebVideo/DoubleLifeSMP Season 3]] are a variation, as the season's main gimmick is {{synchronization}} between soulmate pairs that result in CantLiveWithoutYou. While [[spoiler:Scott and Pearl]] are the last two survivors and are technically co-winners, [[spoiler:Scott]] ends up placing down TNT and detonating himself, killing himself and [[spoiler:Pearl]] by proxy, because he believes that [[spoiler:Pearl]] "deserves it more" than he does.
** Subverted in [[WebVideo/LimitedLifeSMP Season 4]], as all players have 24 hours to live and will inevitably die at the end of the season anyway, and the winner ultimately chooses to wait for their life-timer to run out.
** Also subverted in [[WebVideo/SecretLifeSMP Season 5]], as despite the tradition, [[spoiler:Scar]] ends his series very much alive. In Martyn's "Eyes and Ears" continuity, [[spoiler:[[GodIsEvil the Watchers]] ensure this is {{defied|Trope}} by making him respawn on half a heart if he ever tries to go through with this, all to draw out and [[EmotionEater feast on]] his [[GoMadFromTheIsolation suffering]].]]
[[/folder]]

[[folder:Western Animation]]
* ''WesternAnimation/TheSimpsons'' once did a parody of ''Theatre/{{Hamlet}}'' that ended with Marge (portraying Gertrude) killing herself not to clean up all the mess.
%%* ''WesternAnimation/SouthPark'' uses this as a frequent gag/DeusExMachina.
[[/folder]]

[[folder:Real Life]]
* School and other mass shootings often end with the perpetrator(s) shooting themselves.
* Inverted with the Nuremberg trial: Hermann Goering [[BetterToDieThanBeKilled poisoned himself before the death sentences were carried out]], since he would have been the first one to be hanged.
* In the siege of Masada, the residents of Masada decided to kill each other because they didn't want to be taken prisoner. They killed each other instead of themselves because suicide is a grave sin in Judaism (their religion). Predictably may have left one guy left who had to kill himself (most notably, at the Siege of Yodfat, the historian Flavius Josephus was able to do some ''very'' [[http://en.wikipedia.org/wiki/Josephus_problem complex math]] on the fly and positioned himself in such a way that he was the last man standing, Josephus later surrendered to the Romans). It may be noted that there were far fewer skeletons found in Masada than the stated number of people who killed themselves, so the mass suicide thing might just be a myth.
* In 1817, Princess Charlotte, the only child of [[UsefulNotes/TheHouseOfHanover King George IV]], gave birth to a stillborn child and died hours later. A few months later, the doctor who attended them killed himself out of shame for his failure. The death of the mother, child, and practitioner subsequently became known as the "triple obstetrical tragedy".[[note]]Princess Charlotte was the only legitimate living grandchild of King George III, and her death triggered a succession crisis that was resolved when UsefulNotes/QueenVictoria took the throne.[[/note]]
* In 1120, a ship carrying [[UsefulNotes/TheHouseOfNormandy King Henry I’s son]] and many other English royals was headed back to England from France. However, the captain, Thomas Fitzsteven, accidentally crashed the ship into a rock, and it sank. When Fitzsteven got his head above water, he learned that the heir to the English throne had already died in the shipwreck, so he drowned himself out of shame.
[[/folder]]

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