Dark Kain Dark Kain is a character from " Final Fantasy IV ' s " continuity . He is the incarnation of the darkness in Kain Highwind ' s heart , fueled by Kain ' s hatred and jealousy towards Cecil and his unrequited love of Rosa . He first appears in the Lunar Ruins in Kain ' s Trial in " Final Fantasy IV Advance " , acting as the trial ' s main antagonist . He returns in " " as an antagonist , working with the Mysterious Girl to collect the Crystals while the heroes believe him to be the real Kain . For a short time , he is known as Kain ? until the true Kain reveals himself and exposes Dark Kain as an imposter . Dark Kain is temporarily playable during the game . Profile . Appearance . As Kain ' s darkness incarnate , Dark Kain appears identical and is often mistaken for him . He initially appears in Kain ' s Lunar Trial as a cloaked , shadowy figure , later casting his cloak off to reveal a set of armor similar to Kain ' s but colored purple . In his artwork for " The After Years " Kain has a pale complexion with dark , scaled armor and a long red sash fluttering from the back of his helmet . His CG render for " " is mostly identical to Kain ' s render for the 3D release of " Final Fantasy IV " . Personality . Being Kain ' s dark side , he hates Cecil and his mission in " The After Years " is to kill him and seize Rosa for himself . He claims he is the " true " Kain and resents his other self , though he does not kill Kain after overpowering him . While working with the Mysterious Girl , Dark Kain is initially curious about her identity and motives , but eventually tells her he does not care what she does with the Crystals as long as he can fight Cecil in exchange for them . Despite this , Dark Kain has several moments of compassion . He saves Porom ' s party from monsters , and tells the Baron guards accompanying him to Damcyan that they should value their lives , even though they are mind - controlled . Like Kain , he remains loyal to Baron as a country , claiming it was always his homeland . In his fight against Rosa and Edward , Dark Kain refuses to harm Rosa , and any attempt to attack her will miss , indicating that he retains Kain ' s love for her . This may mean that he is only the embodiment of Kain ' s hatred and jealousy for Cecil , and while it takes precedence above acts of kindness , he is otherwise a good man . When on his way to duel Cecil he exclaims " Freedom is finally upon me ! Yes , Cecil . . . I ' ll finally be free from you ! " , implying his drive to kill Cecil may not be something he can help . Story . " Final Fantasy IV " . Dark Kain appears during Kain ' s trial in the Lunar Ruins , taking place in a parallel universe of Baron . During the night a black cloaked figure has attacked people with a lance , evading the authorities by leaping across rooftops , and leaving a blood - soaked lance in Kain ' s room at the inn as the only clue . This serves to incriminate Kain after repeated murders , and he is arrested . Kain apprehends a guard as the perpetrator , but returns to his bedchamber to find the lance once again . Dark Kain tells him telepathically that it won ' t end until Cecil is dead . Kain realizes Cecil is in danger , and follows him into the Devil ' s Road where they are teleported to a mirrored chamber . Kain finds Cecil unconscious and Rosa bound , while Dark Kain emerges from the mirrors , declaring himself the embodiment of Kain ' s dark desires , and that the trial ' s world was one he created . Dark Kain invites him to kill Cecil with the bloodied lance and claim Rosa . If the player accepts , Kain absorbs his dark side and kills Cecil , failing his trial . If refused , Dark Kain takes the lance and uncloaks himself to fight Kain . During the battle Dark Kain transforms into Lunar Bahamut , but is defeated . For his victory , Kain receives the bloodstained lance as Abel ' s Lance , along with the Dragoon Gloves . Kain exits the trial only to find no time has passed outside ; Cecil is waiting at the entrance , unaware Kain even entered . Kain chooses to remain silent about what happened within . Years later Kain trained on Mount Ordeals and faced Dark Kain in combat with Dark Kain emerging victorious and left to wander the world freely . Kain abandoned his identity to find him . When Porom is sent to retrieve Kain from the mountain for assistance , Dark Kain saves her party from monsters and accompanies them when they mistake him for the real Kain . After arriving at Mysidia , the city is under attack from monster hordes commanded by the Mysterious Girl . Dark Kain betrays Porom by stealing the Water Crystal and offering it to the girl . Dark Kain heads to Baron Castle through the Devil ' s Road with the Mysterious Girl where she offers him a duel with Cecil in exchange for the Crystals . Dark Kain accepts and commands numerous Baron soldiers on an airship for his task . At Fabul , he launches an invasion on the castle , engaging Yang and Ursula in the crystal room . After getting by them , he steals the Crystal . His next destination is Damcyan where the Second Battle of Damcyan ensues . Edward unleashes a horde of Bombs that kill Dark Kain ' s men , and despite Rosa and Edward ' s attempts to defend the Crystal , Dark Kain defeats Edward and captures both Rosa and the Crystal . Dark Kain returns to Baron with the intention of killing Cecil before Rosa , but is stopped in the throne room ' s antechamber by Ceodore , Cid , Edward , and the true Kain who has been assisting Ceodore under the alias of the " Hooded Man . " Kain reveals that the one committing these atrocities was his dark side . The two duel with Kain emerging triumphant . Kain has learned he cannot repress his past and must accept his darkness to conquer it and although the defeated Dark Kain protests , Kain consoles him that he will not die but instead will become one with Kain . Kluya ' s spirit fashions Kain into a Holy Dragoon in recognition of his trials . Gameplay . " Final Fantasy IV " . Dark Kain is fought in Kain ' s Lunar Trial in the Game Boy Advance and PSP releases of " Final Fantasy IV " , but he is not a true enemy ; he has no bestiary entry , counters all damage with an attack , and transforms into Lunar Bahamut after a few turns . He can be defeated with a Tornado from Abel ' s Lance , but this triggers a glitch where the player does not receive the Grimoire LB for defeating Lunar Bahamut , thus preventing them from accessing Kain ' s Trial on subsequent trips through the ruins ( completing a trial earns the player a summon Grimoire for the boss defeated and the trial cannot be entered again until that Grimoire is used ) . Dark Kain is a guest character and relatively strong with the Jump ability . Although Dark Kain has some MP , he has no skills or Band abilities to expend it on . He is available after the player completes Porom ' s Tale for her Challenge Dungeon , and is a solo playable character in some sequences during Kain ' s Tale , where the story ' s perspective shifts between Dark Kain and the real Kain . Equipment . Dark Kain comes equipped with the and a full set of mythril equipment . He can equip the , the , and the if hacked into the game . During Kain ' s Tale , the player can reequip Dark Kain with some sub - par equipment he is controllable to allocate the Wind Spear for Ceodore and the mythril set for the real Kain . Stats . In Porom ' s Tale Dark Kain begins at Level 25 and caps at Level 40 , and in Kain ' s Tale begins at Level 30 and caps at Level 50 . His stat growth in both tales is the same , but as Porom ' s Tale ' s data is not imported into Kain ' s Tale , his level and equipment will not carry over . As a Boss . Dark Kain is fought as a boss in " The After Years " , facing Kain in a showdown at Baron Castle . Other appearances . Kain is purchasable as downloadable content , as one of the monsters that can be summoned by Mira . He appears wearing Dark Kain ' s attire . " Dissidia 012 Final Fantasy " . An alternate costume for Kain Highwind , " Noir Dragoon , " is directly based on Dark Kain .