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A song used in aeon battles in FFX. It has a breathless quality that does not relent as the wondrous tune and lavish strength pour down upon the player...

"A Contest Of Aeons" (召喚獣バトル, Shōkanjū Batoru?, lit. Summoned Beast Battle) or "A Contest of Aeons", is the boss theme that plays during the final battle sequence against aeons in Final Fantasy X. It was composed and arranged by Junya Nakano.

In the International, PAL and HD Remaster versions, this track also plays when the player encounters Penance.

Game appearances[]

Final Fantasy X[]

The theme begins with the melody of the "Hymn of the Fayth", then an original part is led by the harp. The final section contains the motive of "Enemy Attack", the generic boss theme by the same composer. It is the 17th track on disc 4 of the original soundtrack.

Spoiler warning: Plot and/or ending details follow. (Skip section)

The theme plays when Yu Yevon possesses Yuna's aeons. They turn to a dark hue and turn on the party, and must be felled one by one. The sequence is longer if Yuna has obtained the secret aeons as well.

Spoilers end here.

"A Contest Of Aeons" was rearranged by Junya Nakano for the HD Remaster. It is track 87 on the Final Fantasy X HD Remaster Original Soundtrack.

Final Fantasy XV[]

"A Contest Of Aeons" is included in the music player as the eighth track of Memories of FFX album bought from the Wiz Chocobo Post for 100 gil.

Dissidia 012 Final Fantasy[]

"「A Contest Of Aeons」 from FINAL FANTASY X - arrange"

"「A Contest Of Aeons」 from FINAL FANTASY X - arrange" is an arrangement by Takeharu Ishimoto appears as the 42nd track of disc 1 in the original soundtrack. It acts as the final boss theme for the duel between Yuna and the Emperor.

Dissidia Final Fantasy NT[]

The arranged track from Dissidia 012 Final Fantasy and the original PlayStation 2 version can be bought from the shop for 3,600 gil.

Theatrhythm Final Fantasy[]

This track is used as one of the songs available as downloadable content. It is used in Battle Music Sequence.

Theatrhythm Final Fantasy Curtain Call[]

"A Contest of Aeons" is a Battle Music Sequence and is available in the base game.

Final Fantasy Record Keeper[]

"A Contest of Aeons (FFX, FFRK Ver. arrange)" is an arrangement by Kensuke Inage which plays in the game, with the chorus provided by Mari Yoshida. It is track 2 of disc 2 on the Final Fantasy Record Keeper Original Soundtrack Vol.2.

"A Contest of Aeons FFRK Ver. arrange from FFX Ver.2" is version 2, arranged by Yoshinori Nakamura and performed by Yusuke Higa and Taeko Sone. It is track 18 of disc 1 on the Final Fantasy Record Keeper Original Soundtrack Vol.3.

"A Contest of Aeons FFX Ver. 3, FFRK Ver. arrange" is version 3, arranged by Yoshitaka Suzuki. It is track 12 of disc 1 on the Final Fantasy Record Keeper Original Soundtrack Vol.4.

Final Fantasy Fables: Chocobo's Dungeon[]

"Alexander Battle" is an arrangement by Yuzo Takahashi that plays as the boss theme against Alexander. It was released on the original soundtrack in 2008 as the 25th track.

"Battle with Alexander" was remastered for Chocobo's Mystery Dungeon Every Buddy!. It is track 14 on the Chocobo's Mystery Dungeon Every Buddy! Original Soundtrack.

Dragon Quest & Final Fantasy in Itadaki Street Portable[]

An arrangement of "A Contest Of Aeons" is a theme. It is very similar to its original version, but its development was remixed.

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