Kuja ' s Theme " Kuja ' s Theme " is a musical theme from " Final Fantasy IX " . It was composed by Nobuo Uematsu . It is the leitmotif of the game ' s main antagonist , Kuja . " The Darkness of Eternity " has become a notable arrangement of it , being the boss music for Kuja ' s ultimate form . Game appearances . " Final Fantasy IX " . Being the leitmotif of Kuja , the main antagonist , " Kuja ' s Theme " and its arrangements are heard several times during the game . The original theme can be first heard at Burmecia , when he makes his first appearance in the story . Not much later , the arrangement " Kuja Exits Burmecia " plays during the ending FMV of disc 1 , as Kuja leaves the ruins of Burmecia riding his Silver Dragon . " Kuja ' s Theme " can also be heard while Kuja escapes from Brahne ' s attack on the disc 2 finale ; and on disc 3 , when he returns to his base of operations after attacking Alexandria ; as the overworld theme during the quest for the Gulug Stone at Oeilvert ; after the defeat of Meltigemini at Mount Gulug ; and finally , when Kuja enters Trance at the end of disc 3 . " Kuja ' s Theme " is the fifteenth track of the first disc of the , while " Kuja Exits Burmecia " is the tenth track of the original soundtrack PLUS album . " Wicked Melody " , an extended arrangement of " Kuja ' s Theme " which includes a pipe organ introduction and adds a distinguishable heavy percussion to the main melody , begins to play when Kuja appears at the Iifa Tree , riding on his Silver Dragon . " Wicked Melody " plays again at the Desert Palace , when Kuja asks Zidane to get the Gulug Stone at Oeilvert for him in trade of his friends ' lives . " Wicked Melody " is the nineteenth track of the second disc of the game ' s original soundtrack . " Devil ' s Ambition " is a short and slower arrangement of " Kuja ' s Theme " that plays during several appearances of Kuja , starting with his appearance at Treno . It is heard again during the events at the Iifa Tree , when Kuja lands his Silver Dragon and confronts the protagonists . Later , in disc 3 , " Devil ' s Ambition " returns when Kuja appears in Alexandria during Garnet ' s ascension to the throne . It is heard again when Zidane and his comrades fall into Kuja ' s trap at the Desert Palace . It later plays at the end of disc 3 , before the battle with Kuja . " Devil ' s Ambition " is the eight track of the third disc of the original soundtrack . " Kuja ' s Theme " is included in the themes " Bahamut is Summoned " which plays in the FMV where Brahne summons Bahamut to destroy Kuja ; and " Destruction of Brahne ' s Fleet " , where Kuja captures Bahamut with the " Invincible " , and destroys Queen Brahne ' s fleet . " Neo - Kuja ' s Downfall " plays during the FMV at the end of disc 3 , where Trance Kuja destroys Terra . " Bahamut is Summoned " , " Destruction of Brahne ' s Fleet " and " Neo - Kuja ' s Downfall " are , respectively , the sixteenth , seventeenth and twenty - sixth tracks of the original soundtrack PLUS album . After the events at Oeilvert , the remaining captured party members must escape Kuja ' s Desert Palace . The background theme for this location is another arrangement of his leitmotif called " Kuja ' s Theme ( Millennium Version ) " . It was included in the original soundtrack PLUS as its thirty - third track . During the final battle with Trance Kuja , at the Crystal World , a final arrangement of " Kuja ' s Theme " named " The Darkness of Eternity " plays . This arrangement is longer than any other version of " Kuja ' s Theme " , and features " Wicked Melody " ' s opening , which leads to a fast - paced build up and then the theme breaks out in a guitar riff . This arrangement mixes the melody of the theme while elements of funk and rock can be heard in the background . At 2 : 13 , the music changes , fading into a slower section . " The Darkness of Eternity " is the most prominent arrangement of " Kuja ' s Theme " , and it is the fifteenth track of the fourth disc of the original soundtrack . An unused version of Kuja ' s theme called " Kuja V " was included on the original soundtrack PLUS album as its forty - first track . It is very similar to the original , but features a distinct development . " Dissidia Final Fantasy " ( 2008 ) . The original version of " The Darkness of Eternity " can be purchased for 500 PP in the PP Catalog after defeating Chaos . After being acquired , " The Darkness of Eternity " can be automatically selected for battles including Zidane or Kuja , or taking place at the Crystal World . " Dissidia 012 Final Fantasy " . The original version of " The Darkness of Eternity " returns as a bonus track . Its cost has been reduced to 150 PP from the PP Catalog , and is now available from the start . After being acquired , it has the same appearances as in the aforementioned game , but can also be automatically selected for battles taking place at the new " M . S . Prima Vista " arena . " Dissidia Final Fantasy " ( 2015 ) . A new rock arrangement is a default theme , while the original PlayStation version can be bought for 3 , 600 gil from the in - game shop . " Theatrhythm Final Fantasy " . For the Nintendo 3DS version , " The Darkness of Eternity " was available as downloadable content . For the iOS version , " The Darkness of Eternity " is available to download as part of the " Final Fantasy IX " Other Battle Music category , as well as " Battle 2 " , and " Something to Protect " . " The Darkness of Eternity " is one of the few tracks present different from their original arrangement . In this case , " The Darkness of Eternity " ' s length was cut to two minutes , less than half of its original length . " Theatrhythm Final Fantasy Curtain Call " . " The Darkness of Eternity " returns as a Battle Music Sequence for " Final Fantasy IX " . Arrangement album appearances . " Final Fantasy IX Chips " . " The Darkness of Eternity " was included in a medley including " Silver Dragon " and " The Final Battle " in an 8 - bit arrangement by mochilon . It is the ninth track of this album . Compilation album appearances . " Wicked Melody " was included on this " Final Fantasy IX " best - of soundtrack release . It is the album ' s eighteenth track .