Quote Originally Posted by Markus. D View Post
The only real game killer is the Floral Fallal (Great Whirl).

But they do overbalance the party a little too much.
Floral Fallal is pretty imba. Rikku's special isn't that overpowered. Paine and Yuna are.

I finished the game twice without them, but used them to complete the via Infinito 100 levels.