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I lost someone special to me, too. Her name was Costia. She was captured by the Ice Nation, whose queen believed she knew my secrets. Because she was mine they tortured her, killed her, cut off her head.
Lexa to Clarke [src]


Costia was a Grounder from the Trikru clan and Lexa's girlfriend until her death at the hands of Azgeda's queen.

Costia was first mentioned in Remember Me when Lexa told grieving Clarke of her own past love. Her death significantly impacted Lexa's views on love and emotions and how she ruled over her people.

Early Life Edit

Little is known about Costia's early life except that she met, befriended, and eventually fell in love with Lexa.

Throughout the Series Edit

In Remember Me, Lexa tells Clarke about Costia after the funeral for the massacred victims of Tondc and Finn Collins. Lexa mentions that she loved someone by the name of Costia and the Ice Nation Queen kidnapped her, tortured her, and cut off her head because they thought that she knew Lexa's secrets and because she was hers.

In Bodyguard of Lies, Clarke mentions Costia when she is telling Lexa she is weak for hiding her feelings and that she is still haunted by Costia's death.

In Watch the Thrones, Lexa kills Nia in retribution for the destruction of Mount Weather and challenging Lexa's throne. Though not directly mentioned, Nia's death also avenges Costia.

In Thirteen, Costia was mentioned by Titus, when he was arguing with Lexa.

Appearances Edit

Season Two
Episode Appearance Status
The 48Absent
Inclement WeatherAbsent
ReapercussionsAbsent
Many Happy ReturnsAbsent
Human TrialsAbsent
Fog of WarAbsent
Long Into an AbyssAbsent
SpacewalkerAbsent
Remember MeMentioned
Survival of the FittestAbsent
Coup de GrâceAbsent
RubiconAbsent
ResurrectionAbsent
Bodyguard of LiesMentioned
Blood Must Have Blood (Part 1)Absent
Blood Must Have Blood (Part 2)Absent
Season Three
Episode Appearance Status
Wanheda (Part 1)Absent
Wanheda (Part 2)Absent
Ye Who Enter HereAbsent
Watch the ThronesAbsent
HakeldamaAbsent
Bitter HarvestAbsent
ThirteenMentioned
Terms and ConditionsAbsent
Stealing FireAbsent
FallenAbsent
NevermoreAbsent
DemonsAbsent
Join or DieAbsent
Red Sky at MorningAbsent
Perverse Instantiation (Part 1)Absent
Perverse Instantiation (Part 2)Absent

Notes and Trivia Edit

  • She may have been named after Anacostia in Washington D.C.
  • Her status as Lexa's deceased lover makes her one of the first LGBT characters in The 100 canon.
  • As of Season 6, she is one of seven known LGBT characters, the others being Clarke, Lexa, Niylah, Miller, Bryan, and Jackson
  • She was the reason why Lexa believed that love was weakness however Lexa's relationship with Clarke changed her mind as she told Madi after she took the flame.

See Also Edit

The 100 Characters
Main Characters
Abigail GriffinBellamy BlakeCallie CartwigClarke GriffinEchoFinn CollinsGabriel SantiagoHope DiyozaJasper JordanJohn MurphyJordan GreenLincolnMarcus KaneMonty GreenOctavia BlakeRaven ReyesRoanThelonious JahaWells Jaha
Recurring Characters
AdenA.L.I.E.AnyaBecca FrancoBlythe Ann WorkmanBreeBrellBryanByrneCage WallaceCarl EmersonCassiusCharles PikeCharmaine DiyozaCillianCostaDante WallaceDavid MillerDiana SydneyEmoriEric JacksonEthan HardyFoxGeoff HardyHannah GreenHarper McIntyreHayesIlian‎IndraJacapo SinclairJadeJae WorkmanJosephine LightbourneJake GriffinJohn MbegeJonesKara CooperKaylee LeeKyle WickLexaLorelei TsingLunaMadi GriffinMaya VieMichael VinsonMiles ShawMiranda MasonNathan MillerNelsonNiaNiylahNykoOntariPaxton McCrearyPriya DesaiRileyRoseRussell LightbourneRyker DesaiSeikuShawn GillmerSheidhedaShumwaySierraSimone LightbourneSterlingTitusTristanVera KaneVincent VieZoe Monroe
Minor Characters
AdriaAnkaraArtigasAtomAurora BlakeAtohlCarisCaspianCharlotteChaseChrisCillianCole McAdamsConnorCostiaCraigCuyler RidleyDaniel LeeDaxDelanoDelilah WorkmanDerekDerrickDiggsDrewFioGideonGina MartinGlen DicksonGuaraGustusJuelKeenan MykulakLaylaLeeLieutenant GracoMacallanMark and Peter ColtonMelMiss LucyMylesNygelOsiasOtanPascalPennPeri GordonQuintRedReese LemkinRichardsRivoRoma BraggRyderScottSemetSgt. LovejoyShaySiennaStevensTor LemkinToshTrinaTrisTybeWhitmanWillaZoran
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