Ultemica was very simple, her final form had very cool music and the one your fighting now very easy.

Solution:
Vitalityet it VERY high, I got my vitality to max and Griever's Shock wave pulsar did a weak 38 damage to my character's.

Luck:
Don't ask just get it.

Level:
Zell's level is too small.

GF:
You did get Eden didn't you?.