Why must the God (or Evil) die young?

Ultimecia LV 100 HP 9999 VS Lenna Lv 30 Hp 990 Mp 30 (time mage)(black magic equiped)
Lenna starts off casting ice on ulimecia, 9 dammage
Ultimecia laughs "try again"
Lenna the casts haste on ultimcia. She dies of hypthmia in seconds
Winner Lenna