Seymour Flux?

[Kami]

ah.. man i'm stuck here too. so how much leveling up do I have to do? How much Hp/strength did everyone have?

[Trumpet Thief]

ehm miss yunalesca... , did you run like hell trough all the levels ??? i'm now at macalania temple, and tidus already knows hastega ..... how did you beat the other bosses then ?

Because of the many different paths on the sphere grid, she could have gone a different way.

[dancingmadK]

I admit it like a man, it took me 8 tries to kill him. The BEST strategy is to have your aeons use all their overdrives. After that, one hit from one your characters should finish him off. I couldn't believe how easy it was after that. Try it