Originally Posted by
Tavrobel
The normal preparations for this enemy are the same as all Monster Arena enemies: Hastega, Auto-Life, Celestial Weapons (as many as you can safely obtain), and your best armor. Overdrives such as Blitz Ace and Attack Reels work wonders (infact, if you do full damage with Wakka, two perfect Attack Reels will not only kill the first form, but also entirely skip the second), and Fury does well when inside the shell. Flare/Holy/Ultima work equally well against this boss.