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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 Queen Nia of Azgeda.

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

Early Life

Little is known about Costia's early life except that she met, befriended, and eventually fell in love with Lexa at some point before Costia was captured, tortured by Queen Nia of Azgeda and later had her head cut off.

Throughout the Series

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. Lexa claims to have gotten over the pain of Costia's death by recognizing that love is weakness.

In Bodyguard of Lies, Clarke tells Lexa that she is weak for hiding from her feelings and accuses her of still being haunted by Costia's death.

In Ye Who Enter Here, the Ice Nation ambassador tells Lexa that if her weakness is preventing her from killing Clarke, the Ice Nation would gladly step in again, referring to the Ice Nation's capture and murder of Costia.

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

In Thirteen, Titus tries to convince Lexa to send Clarke back to Arkadia by reminding Lexa that her relationship with Costia ended up costing Costia her life. Lexa is enraged and assures Titus that she can separate her feelings from her duty, recalling that even though the Ice Nation cut off Costia's head and delivered it to her bed, she still let them into her alliance.

Appearances

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 HereMentioned
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

  • 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 Seven, she is one of nine known LGBT characters, the others being Clarke Griffin, Lexa, Niylah, Nathan Miller, Bryan, Eric JacksonZev, and Daniel Lee.
  • She was one of the main reasons 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.
  • Jason Rothenberg stated that Costia was Lexa’s first love.

See Also

The 100 Characters
Main Characters
Abigail GriffinBellamy BlakeCallie CartwigClarke GriffinEchoFinn CollinsGabriel SantiagoHope DiyozaJasper JordanJohn MurphyJordan GreenLincolnMarcus KaneMonty GreenOctavia BlakeRaven ReyesRoanSheidhedaThelonious 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 WorkmanJames CrockettJosephine LightbourneJake GriffinJohn MbegeJonesKara CooperKaylee LeeKyle WickLevittLexaLorelei TsingLunaMadi GriffinMaya VieMichael VinsonMiles ShawMiranda MasonNathan MillerNelsonNiaNiylahNykoOntariPaxton McCrearyPriya DesaiRileyRoseRussell LightbourneRyker DesaiSeikuShawn GillmerShumwaySierraSimone 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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