Lumina Lumina is a major supporting character in " " . She resembles Serah Farron in appearance and crosses paths with Lightning during her quest to save the world , at times appearing as a friend and other times as an adversary . Datalog . " This mysterious young girl appears to be able to control the power of Chaos , and likes to get in Lightning ' s way at every turn . " " It seems that she has met Snow before , and the two have more than just a passing acquaintance , but Lightning has spent the last five centuries in crystal , and she has no way of knowing what could have happened between the two . " " Still , she cannot deny that the girl bears a striking similarity to Serah . But Serah is dead , and this Lumina seems to have her own goals . " Profile . Appearance . While Lumina ' s eyes appear a bluish - gray in - game , her eyes are a sea - blue in her CG render . She has a wide nose and wide , pink lips . Lumina resembles a younger version of Lightning with elements of Serah in her design . Her hair is the same pale pink tint as Lightning ' s but styled with a ponytail on the left side of her head like Serah wears hers . Lumina wears a black dress adorned with feathers . She wears a long sweeper with pink interior , black hairband around her ponytail , sleeveless halter top with a black collar with silver studs and a silver feather pendant , lacy skirt , long glove on her left arm , thigh - high stockings , and pump shoes . She has aerials on the back of her right shoe and her left collarbone . Physically , Lumina appears as a twelve - year - old , and according to Lightning , resembles Serah at that age . Personality . Lumina is playful and unpredictable , seeing the world as a plaything , and people as a source of entertainment . Although she can give helpful advice , she enjoys toying with Lightning and summoning monsters for her to fight . She is connected to the Chaos , speaking of the monsters it spawns as her " friends " , and walking through and manipulating it unharmed . Hinting at a deeper connection to their relationship , Lumina refers to Lightning as " sis " . Due to her nature , Lumina knows and keeps in touch with Lightning ' s comrades from years past but also talks with various inhabitants of Nova Chrysalia , telling them about Lightning and at times offering " help " which sometimes turns to their disadvantage . Ultimately , because of her origins , Lumina is scared of being alone . Abilities . Lumina uses teleportation magic and can summon various monsters to her aid . While she teleports , Lumina flashes in bright light despite being connected with Chaos which manifests as dark clouds . She can create false prophecies into Oracle Drive s , and pull Lightning into a secret place inside her where the two can converse without Hope Estheim overhearing . Story . When their parents died , Lightning abandoned her past and became strong for Serah under the delusion of not needing help . The denied feelings of wanting companionship and support from others , along with her selfishness , fear and loneliness , caused an inner turmoil that affected Lightning throughout her life . When Lightning entered crystal stasis Serah ' s heart and soul were kept inside her , safeguarded for centuries . The English localization makes no distinction between people ' s hearts and souls , but the two are separate , albeit linked , entities in the Japanese version . When Lightning awoke from crystal stasis Bhunivelze purged Serah ' s heart and soul from Lightning damaging Lightning ' s own heart , making her appear emotionless . Lightning ' s suppressed feelings and vulnerabilities , which had now been removed from her , used the Chaos to manifest a physical form : Lumina . As a part of Lightning , Lumina became a vessel for Serah ' s heart to safeguard her from the Chaos . Lumina lived in Nova Chrysalia , getting acquainted with people and earning a reputation as a trickster . When Vanille and Fang first awoke from crystal stasis , Lumina found them and witnessed the Order of Salvation taking them into their care . After Fang departed for the Dead Dunes , Lumina would frequent the lonely Vanille who was not allowed to leave the cathedral . Lumina showed Noel an Oracle Drive with a fabricated prophecy of Lightning almost destroying the world and him stopping her , leading him to become obsessed with the idea of fulfilling it . Lightning first encounters Lumina in Yusnaan during the former ' s confrontation with Snow Villiers in his palace . After Snow grabs Lightning , Lumina appears in his place as an illusion and breaks Lightning ' s sword with magic . In reality , Lumina is on the chandelier above the ballroom , which she sets ablaze before vanishing . The chandelier falls but Snow uses his l ' Cie powers to halt it . As Lightning chases Snow through the palace , Lumina reappears to her in a Chaos infusion and claims Lightning is different from Bhunivelze ' s usual servants since she can see inside the Chaos . Lumina summons a Zaltys to block Lightning ' s path and disappears , but Lightning defeats it . After Lightning retreats to the Ark Lumina returns to the area , amused by Lightning ' s hopes of saving Snow and the rest of Nova Chrysalia ' s people . Between Lightning ' s missions and being brought to the Ark at the end of each , Lumina regularly pulls her into a dark parody of the Ark inside Lightning ' s subconscious to talk with her . Lumina explains it to be an ideal place for private conversations she does not want Hope , and by extension Bhunivelze , to overhear . During one such conversation , Lightning learns Lumina is tied to Serah . Lumina uses these moments to plant seeds of suspicion into Lightning regarding Bhunivelze ' s true agenda . In Luxerion , Lumina watches Lightning ' s quest to rout the Children of Etro , and divulges the reason Noel wants to kill her . Once Noel is freed from his burden and his soul is saved , Lumina reveals the Oracle Drive was altered and is surprised Noel had rejected the prophecy . Lightning meets Lumina when visiting Vanille , who shows Lightning the concentration of lost souls within God ' s Sanctum beneath the cathedral . Lumina terms them the " wind of sorrow " , commenting the Order seeks the save the dead from their anguish by offering them oblivion and needs Vanille to call them to her . Lumina says the " wind " has been building for years and would spell the end of both Nova Chrysalia and any future world were it to escape . When Lightning returns to Yusnaan and sets out to infiltrate Snow ' s palace , Lumina tells her about his guilt and isolation , and sets a Cyclops on Lightning . When the two meet again after Lightning defeats Snow in his Cie ' th state , Lumina speculates about his motives and advises Lightning to kill him and fulfill his wish . Lightning instead brings Snow around and revives his hope for the future . In the Dead Dunes , after the Order ' s Secutors steal the holy clavis from Lightning and Fang , Lumina taunts Fang for believing Lightning to be an agent of the Order . She reveals she was monitoring them until they found the clavis so she could lead the Secutors to them . Lumina says the Secutors are taking the clavis to Luxerion where , on the world ' s final day Vanille will sacrifice herself in the Soulsong , a ritual to obliterate the souls of the dead , including Serah ' s . When Lightning meets Sazh on the Wildlands , she learns Lumina has given him a coffer of souls , saying that if Sazh collects Dajh ' s soul fragments and places them into the box he will be roused from his coma . Lightning finds the soul fragments and Dajh awakes . After Lightning ' s battle with Caius Ballad at the Temple of the Goddess , Lumina reveals how the multiple incarnations of Yeul unwittingly caused the leaking of Chaos into the mortal realm that triggered the events of " Final Fantasy XIII - 2 " . On Nova Chrysalia ' s final day , Lumina appears in Luxerion to explain the truth behind the Soulsong . The Order plans to use Vanille as a sacrificial offering to wipe out the souls of the dead so the living can be reborn with no memories of their existence to start in the new world with a clean slate , which is what Bhunivelze wanted all along . The Order has kept the truth from Vanille and tricked her into believing the Soulsong will merely save the dead from their suffering . When Lightning decides to storm the cathedral to stop the ritual , Lumina pleads her to stop saving everyone , begging Lightning not to leave her alone . After Vanille and Fang guide the souls of the dead to the Ark to be reborn , Yeul tells Lightning of Lumina ' s origins as Lumina releases Serah ' s heart from her body . When Lightning attempts to sacrifice herself to destroy Bhunivelze , Lumina appears in her subconscious and convinces Lightning to accept her vulnerabilities . Once Lightning cries for Lumina not to leave her alone and pleads for help , Lumina is reintegrated into Lightning and her heart is restored to normal . In the new world , a reporter named Aoede interviews Fang and Vanille on her quest to uncover the truth behind people ' s latent memories of another world . During the interview , the pair says they don ' t know how or why they awoke from crystal stasis , but speculate it to have been the work of either Bhunivelze or Lumina . Fang describes Lumina as a brat who was " Chaos personified " and says she was attached to Vanille . Vanille says Lumina might have been the one who woke them up so she would have someone to indulge her , because even though she came across as a spiteful prankster , in reality , Lumina was a lonely girl who wanted attention . Creation and development . Lumina was designed by Toshiyuki Itahana , with her look being described as having a " gothic style " . The character was designed to appear like a twelve - year - old girl , and her exaggerated movements were designed to be especially realistic when compared to the other characters ' . Voice . In the Japanese version , Lumina is voiced by Kanae Itō . She is voiced by in the English version . She shares her English voice actress with from " " . Musical themes . " Lumina ' s Theme " is the eighth track on disc 3 of " " , composed by Naoshi Mizuta and Masashi Hamauzu . It ' s a dark tune that displays Lumina ' s mysterious and playful nature , and contains a reprise of " Blinded By Light " , alluding to her connection with Lightning . Other appearances . " Final Fantasy Airborne Brigade " . Lumina is an ally and a summonable Legend . Her EX ability is Full Swing ( Cyclops ) . " Final Fantasy Trading Card Game " . Lumina appears with an Ice - elemental card . Non - " Final Fantasy " guest appearances . " Square Enix Legend World " . Lumina makes an appearance as a card . Merchandise . Glico , the snack company , worked with Square Enix to promote " Lightning Returns : Final Fantasy XIII " in Japan . Lumina appeared on Pocky box along with Lightning and Snow .