What was it that the "Cocoon l'Cie" summoned against Ragnarok in the Pompa Sancta Parade?
During the parade, Cocoon l'Cie transformed into Valefor


  A recreation of Valefor appears at Nautilus's Pompa Sancta parade. In the play, the Cocoon l'Cie transforms into it to face Ragnarok


Valefor's first appearance as a summon was Final Fantasy X.