Alyssa Zaidelle Alyssa Zaidelle is a major supporting character from " Final Fantasy XIII - 2 " . As a member of the Academy , she starts as a trainee but climbs the ranks and becomes the assistant of its leader , Hope Estheim . Together , they help Noel and Serah in their journey to change the future . Despite this , she can also be considered an antagonist as much as she can be considered a protagonist because she betrays Serah , Noel , and Hope by purposefully giving Serah and Noel a false artefact . Datalog . " Alyssa has been promoted to Hope ' s main assistant , and is the foremost researcher in the field of Time Gates and paradoxes . It was her report on the events that took place in the Bresha Ruins in 5 AF that caught Hope ' s attention and led to her rapid rise in the Academy . " " There are some who believe she is using Hope to further her own ambitions , but her knowledge of spacetime theory is such that the young director entrusts her with an entire branch of research . " Profile . Appearance . Initially in 5 AF , Alyssa is a 19 - year - old petite woman with blue eyes and short blonde hair . She wears a puff - sleeved yellow and white top with a light blue necktie , and a red vest tied in the back like a corset . She wears dark gray fingerless gloves , two red packs ( one on a belt around her waist , and another on her upper right leg ) , small gray shorts , and black knee - high boots . From the years 10 to 13 AF , Alyssa ages to 24 and 27 years old , but physically remains the same . Personality . As a researcher , Alyssa is popular within the Academy and seen as an idol ; she is charming , bright , and always eager to help out her friends . She can express emotions in a broad manner and has an energetic and spunky disposition along with an adventurous curiosity . In " Final Fantasy XIII - 2 Fragments After " , it is revealed Alyssa is a good liar and believes lying to be a good way of moving forward , creating past lives and entertaining people . Her strong belief in lying is a result of her accompanying her father on his numerous travels around Cocoon because of his job . Story . " Final Fantasy XIII - 2 " . During the events of " Final Fantasy XIII " , Alyssa became involved in the Purge when she visited her friend , Nena Stein , in Bodhum . She and Nena escaped and hid from the army with other Purgees , but they got buried under a pile of rubble in a cave - in . When the goddess Etro released the Pulse l ' Cie who fought to defend Cocoon from crystal stasis , the resulting distortion of the timeline revived Alyssa . Since then , Alyssa has been having nightmares of her original fate and knew deep down she was living a lie . In the Bresha Ruins 5 AF , Alyssa spots Serah , Mog , and Noel emerge from a Time Gate . When Atlas goes on a rampage , Alyssa approaches him out of curiosity , but is taken to safety by a soldier . After Noel and Serah are taken into custody , Alyssa frees them by claiming to the guard the two are invited guests of the Academy . Alyssa gives Noel and Serah an Academy communicator to permit them access to the ruins , and explains she is helping them because she is interested in the gates and paradox es . As long as Atlas is around causing trouble the ruins will be closed off , leaving her unable to get any answers , and Noel and Serah promise to put a stop to it . Alyssa keeps them up to date on the activity within the area through radio communication , asking them to let her know if they find a cemetery along the way . After Serah and Noel defeat Atlas and restore the Bresha Ruins , they find a cemetery with an epitaph dedicated to the Purge victims . Alyssa is relieved her name is not on it and tells Noel and Serah it is Nena ' s resting place before revealing herself as a Purge survivor . Alyssa admits she dreamed of her spirit standing in front of the gravestone and seeing her name on it instead of Nena ' s , and after seeing it so many times , she started to think maybe she did die in the Purge . Alyssa says she will never forget the Purge even if everyone else does . Alyssa documents the events at Bresha and gets a message from Hope , who is impressed by Alyssa ' s report on the Time Gates , and asks her to join his team . Now a part of Team Alpha as Hope ' s assistant , Alyssa has the tools she needs with her research . They learn the past is reorganized to maintain the logic of an altered future , and people ' s memories are overwritten accordingly . As multiple possibilities cannot co - exist and only one timeline is chosen as the true history , Alyssa wonders what happens to the other possibilities and which world she will end up in . She admits that despite not seeing her name on the Bresha Ruins gravestone she still doubts whether it was she or Nena who died in the Purge . Since certain possibilities can only exist as long as spacetime is broken , Alyssa wonders if she will disappear along with the memories of the people left behind if the paradoxes are resolved and the timeline restored , just like the mysterious man in her dreams tells her . In the Paddra Ruins of the Yaschas Massif 10 AF , Serah and Noel learn about the Farseer s and Oracle Drive s from Hope and Alyssa . In the Yaschas Massif in 1X AF , the Oracle Drive projects images of Cocoon falling and the man who was seen fighting Lightning in Valhalla , whom Noel calls Caius . When Noel says the world in his time fell apart after Cocoon ' s fall , Alyssa panics and asks if that is going to happen soon . He says it will happen in a matter of centuries , and she is relieved . Serah proposes they prevent Cocoon from falling and Hope decides to get the Academy to help them , but Alyssa looks at them with a mysterious expression , as Hope ' s discoveries have made Alyssa realize she is alive because of a paradox . Thus Alyssa attempts to find the man from her dreams , Caius Ballad , as he may know a way for her to survive , but she cannot find him . Three years later at 13 AF , Alyssa and Hope set up the Proto fal ' Cie Project which would claim their lives in Augusta Tower . By 200 AF , Serah , Mog and Noel meet an artificial duplicate of Alyssa who projects a video of what happened to Hope and the real Alyssa . This triggers a chain of events leading to Serah getting Hope to cancel the project unknowingly negating his and Alyssa ' s deaths . Using a time capsule Hope invented , he and Alyssa venture 387 years into the future to Academia in 4XX AF . In " Final Fantasy XIII - 2 Fragments After " , it is revealed that while asleep in the time capsule Alyssa met Caius and got the Vagabond artefact from him to give to Serah and Noel to get rid of them . In Academia 4XX , Hope and Alyssa meet Serah and Noel again . After Hope reveals the New Cocoon Project he is overseeing , Alyssa tells Noel and Serah that crystals called Graviton Core s can levitate the new Cocoon . After they return with the cores needed , Alyssa gives them the Vagabond Artefact and she and Hope go see them off by the new Time Gate . She says people turn against each other when they believe all hope is lost , but when they think about it , they do not understand why they let themselves be consumed by hate and despair . Hope reminisces of the time he almost lost his way and how his friends had helped him , and Alyssa reveals she and everyone else at the Academy knew about his plan to build the new Cocoon to free Fang and Vanille from the crystal pillar , but wanted to help him anyway . As they go their separate ways promising to meet again a century in the future , Alyssa smirks with a grim expression , though Mog is the only one to notice . After Serah , Mog and Noel are separated in the Historia Crux due to having used the booby - trapped artefact , Alyssa apologizes for her betrayal , saying she will no longer exist in the future they are trying to make . " Final Fantasy XIII - 2 Fragments After " reveals that after betraying Serah and Noel , Alyssa accompanies Hope to the Augusta Tower in the guise of aiding in his investigation of an intruder in the system ; in actuality , Alyssa is setting up a trap for Hope with the duplicates . After disposing the attacking duplicates , Hope finds a digital diary belonging to Alyssa that reveals her hate - filled thoughts towards the Pulse l ' Cie , her fears of being erased with another taking her place , and her plotting to kill Hope . When she holds Hope at gunpoint Alyssa begins to disappear as Serah and Noel have fixed the paradox that allowed her to survive the cave - in . Alyssa begs Hope not to forget her before she ceases to be . Nearly everyone ' s memories of Alyssa are erased with only Hope and a few people in Academy headquarters having vague memories of her . In " Fragments After " , it is revealed that a century later at 500 AF , Alyssa has been replaced by an intern named Aina Stein , an implied descendent of her friend Nena . In the paradox ending , " The Future is Hope " , an alternate timeline unravels Snow Villiers arrives with the Guardian Corps in time to stop Alyssa from giving Noel and Serah the Vagabond artefact and arrest her . " " . In the global quest " Fading Prayer " on the Canvas of Prayers , under the initials A . Z . , Alyssa establishes being in a dark place she identifies as the Chaos , maintaining that she died following the resolution of her paradox . She does not remember who she is , and asks Lightning to find an Old - Fashioned Photo Frame by the research camp in the Wildlands . After Lightning completes her request , Alyssa stares at the photograph , a picture of her and Hope standing side by side . She regains her memories and acknowledges she was never supposed to exist and only did so because of a distortion in spacetime . She requests Lightning to tell Hope it was an honor to work for him and that she cherished their time together , even if those moments were never supposed to exist . Creation and development . Alyssa was designed by Hideo Minaba . In the " Final Fantasy XIII - 2 Ultimania Omega " scenario interview with Toriyama and Watanabe , it is revealed Alyssa was at first supposed to be a tough woman who would make fun of men and her relationship with Hope should have changed them both . Her personality was redesigned , however , as a character like that would have resembled too much of Jihl Nabaat . The " Final Fantasy XIII - 2 Ultimania Omega " producer and director interview reveals scrapped plans for a Hope DLC scenario episode , involving a journey through the Augusta Tower . Players would have ventured through the tower , completing a number of Live Trigger s as they did . The aim of DLC was to stop Alyssa from killing Hope and based on player ' s Live Trigger choices , the player would have either continued the game or receive a Game Over . However , this scenario was scrapped . Voice . In the Japanese version , she is voiced by . She is voiced by Kim Mai Guest in the English version . She shares her English voice actor with Shalua Rui from " Dirge of Cerberus - Final Fantasy VII - " and Celestia from " Final Fantasy Type - 0 HD " .