BATTLE:
have rikku, tidus, and wakka or any strongest attacker at the start
let tidus/rikku ask cid to pull back
and let wakka use his attack reels (if u already have it)
use haste/hastega on allies and slow on evrae
switch rikku with lulu and use spells
down at 10000 HP, evrae will caste haste on himself
use dark attack/buster to evade his swooping scythe
when he's near, use delay attack/buster
keep attacking until he dies
