The Decisive Battle ( Final Fantasy VI ) " The Decisive Battle " or " Decisive Battle " is the normal boss battle theme for " Final Fantasy VI " . It was composed by Nobuo Uematsu . Game appearances . " Final Fantasy " . An arrangement of this theme appears in the " 20th Anniversary Edition " version , when battling Typhon , Orthros , Phantom Train , and Death Gaze at the Whisperwind Cove . " Final Fantasy VI " . " The Decisive Battle " is the predominant battle theme used for boss battles in its original game , being replaced by " Battle to the Death " for a selection of strong bosses . " The Decisive Battle " was released as the twenty - fourth track of the first disc of the " Original Sound Version " , and of the " Kefka ' s Domain " album . " Decisive Battle " ' s arrangement by TOSE for the Advance version was released as the twenty - fourth track of the " Final Fantasy Finest Box " collection ' s fourth disc . " Final Fantasy XIV " . The original version of " The Decisive Battle " is used as the battle theme for the fight against Ultros and Typhoon . " Dissidia Final Fantasy " ( 2008 ) . An arrangement of " The Decisive Battle " by Takeharu Ishimoto titled " The Decisive Battle - arrange - from FINAL FANTASY VI " is present as one of the two default " Final Fantasy VI " battle themes . It is the twenty - seventh track of the " Dissidia Final Fantasy Original Soundtrack " first disc . " The Decisive Battle " can be automatically selected for battles occurring at Kefka ' s Tower , or when fighting Terra or Kefka . " Dissidia 012 Final Fantasy " . " The Decisive Battle " returns for its prequel . It can now be automatically selected for battles taking place at the Phantom Train as well . " Dissidia Final Fantasy " ( 2015 ) . The arranged track from " Dissidia Final Fantasy " and the original SNES version can be bought from the in - game shop for 3 , 600 gil . " Theatrhythm Final Fantasy " . " The Decisive Battle " appears as a Battle Music Sequence for the " Final Fantasy VI " Series play . It is also the song chosen for the game ' s first downloadable demo . " Theatrhythm Final Fantasy Curtain Call " . " The Decisive Battle " returns as a Battle Music Sequence for " Final Fantasy VI " . " The Decisive Battle - arrangement - from FINAL FANTASY VI " also appears as a BMS for " Dissidia 012 Final Fantasy " . Arrangement album appearances . " The Black Mages " . A rearranged version was recorded for the Black Mages ' first , eponymous album , using seven - string guitars and played in their signature progressive rock format . " Guitar Solo Final Fantasy Official Best Collection " . " Decisive Battle " is included on the album , which consists entirely of solo classical guitar arrangements of tracks from the " Final Fantasy " main series , performed by Yuji Sekiguchi . " Final Fantasy Orchestra Album " . The " Final Fantasy VI " " The Decisive Battle " was included in the final track of this album , " Battle Medley 2012 ( Final Fantasy I – XIV ) , " arranged by Hiroyuki Nakayama , as its sixth song . Live performances . " THE BLACK MAGES " LIVE . The Black Mages ' s arranged " The Decisive Battle " from their debut album was performed live at this 2003 concert that took place at Shibuya - AX and Kanagawa University , of which it was the eight song of the line - up . A live recording of " The Decisive Battle " from at the London premiere of the on February 15 , 2014 , conducted by Arnie Roth , is included on this album . Appearances outside " Final Fantasy media " . " Decisive Battle " was arranged and performed by video game metal band Powerglove , and this was included as the fourth track of their debut extended play " Total Pwnage " . " Dragon Quest & Final Fantasy in Itadaki Street Portable " . An organ arrangement of " The Decisive Battle " is included in this crossover between " Final Fantasy " and " Dragon Quest " for the PlayStation Portable . It has some electric guitar - chords on the background , but is mainly an organ piece . " Lord of Vermilion Re : 2 FAN KIT " . An arrangement of this song is included on the " Final Fantasy VI " medley by Tsuyoshi Sekito .