Aeons

Characters

Legendary Weapons

  Seymour provides a much tougher challenge this time around.
Tidus, Yuna, and Kimahri all have Trigger Command option of
talking to Seymour and raising their Strength or Magic Defense.

  Use Tidus to cast Hastega, and have Yuna use her Protect
spell on everyone. Seymour will occasionally cast Dispel on
the whole group, thus nullifying your hard work!

  Seymour's Cross Cleave attack can deplete over 2500 HP
from each party member! However, those covered with the Protect
Spell will only take hald the damage. Seymour concentrates on a
pattern of eliminating characters individually. He will use
Lance of Atrophy to inflict zombie on a character. On his next
turn, he will cast Full-Life to deplete the character's HP.
You only have one turn between both of Seymour's attacks, so use
it to administer a Holy Water to the afflicted character. Also,
try to Silence Seymour so he can't cast any spells, and don't
forget to use Bio.

  When the Mortiorchis begins to charge up the Total Annihilation
attack, it will perform it intwo or three turns. One of your
characters needs to perform an attack that will reduce all of
Mortiorchis's HP. This causes the chariot to siphon more life
from Seymour and delays the attack somewhat. It's best to bring
in Auron and Lulu at this stage of the fight. Seymour also starts
using Flare spells, so cast Shell and Protect on your party
members. After surviving the Total Annihilation attack, quickly
use a Mega-Potion to recover. This is when you can start
summoning your aeons to help finish off Seymour. Each aeon
will only get in one shot, so make sure it's in Overdrive.

  Even with all these pointers, there is still a certain element
of luck to surviving this battle. Make sure your characters are
all adequately protected between each of Seymour's turns.