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Fiends. They fall from Sin's body and are left behind in its wake.
Lulu explaining to Tidus what Sinspawn are

Sinspawn are creatures born from the gargantuan beast Sin in Final Fantasy X. They are a vital part of Operation Mi'ihen, as the Crusaders use the Sinspawn to call out to Sin, which would inevitably be drawn to them. Five Sinspawn are fought during the course of the game, six if the Sinscale is counted.

Sinspawn are presumably fiends that are formed by outlets of the multitude of pyreflies that composes Sin's physical form. Collectively, the forms of Sinspawn coincide with those of reef-dwelling creatures, such as anemones and jellyfish. This suggests Sin produces some type of sustenance that allows it to act as a living ecosystem.


Palette-swaps of Geneaux and Gui are recreated in the Original section of the Monster Arena as Catastrophe and Ultima Buster respectively.

Other appearancesEdit

Final Fantasy Record KeeperEdit


FFRK Sinspawn Gui FFX

Sinspawn Gui appears as an enemy in Final Fantasy Record Keeper.


  • The Rift Beasts from Final Fantasy XIII-2 resemble Sinspawn.
  • In Dissidia 012 Final Fantasy, there is a trade material called "Sinspawn". The item's description says "get too close and you'll get dizzy", referring to Sin's toxins.

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