Unless doing this with SMN, the hardest part is to find someone to able tank this (PLD/NIN or NIN/WAR). Fenrir hits hard and quite fast (like a much harder version of Charybdis).
I know a few people who can do it quite well (one of them recently quited ; ; /cry Cee). Ask me in the game, I can give out a few names.
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Amanada (Cerberus-Retired) (aka MaiNoKen/Steven)
-- Thank you for the fun times in Vana'diel
Art for the sake of art itself is an idle sentence.
Art for the sake of truth, for the sake of what is
beautiful and good — that is the creed I seek.
- George Sand
A designer knows he has achieved perfection,
not when there is nothing left to add,
but when there is nothing left to take away.
- Antoine de Saint-Exupéry