Catastrophe (Final Fantasy X)

Catastrophe is a special monster in Final Fantasy X. It is bred as part of the Original Creation in the Monster Arena, and becomes available after 6 monsters have been bred in the Area Conquest section. Catastrophe looks much the same as Sinspawn Geneaux fought on the steps of Kilika Temple.

When the fight begins, it's shell will be enclosed, periodically releasing poison. After suffering 500,000HP in damage, Catastrophe will come out of his shell and begin unleashing a variety of attacks which inflict Full Break and Demi, as well as heavy damage.