One of the six Celestial Avatars of Vana'diel, all of its Blood Pacts are tied into the element of Water.
A gigantic azure serpent, whose coiling and sinuous body looks similar to the ancient Oriental dragons.
Its abilities are largely physical damage, with a couple of debuffs, namelyweight and slow, it also gains the ability to heal party members at higher levels.
|Blood Pact||Type||Level||MP||Skillchain Y/N||Burst Y/N||Description|
|Tidal Wave*||Rage||1||Special||Y||Minimum MP cost is (level of caster)x2. Uses all MP and deals water elemental damage to enemies within Area of Effect.|
|Barracuda Dive||Rage||1||8||Y||Deals physical damage.|
|Water II||Rage||10||24||Y||Deals water elemental damage.|
|Tail Whip||Rage||26||49||Y||Weighs target down.|
|Slowga||Ward||33||48||Slows enemies within Area of Effect.|
|Spring Water||Ward||47||99||Restores HP and removes ailments for party members within Area of Effect.|
|Water IV||Rage||60||118||Y||Deals water elemental damage.|
|Spinning Dive||Rage||70||164||Deals physical damage.|
|Grand Fall**||Rage||75||182||Y||Deals water damage to an enemy. Varies with TP. Additional merits add a 40% TP Bonus effect.|
The Vana'diel Tribune wrote up an article on Leviathan here. (Issue 12, Vol. 1)
Leviathan is also the name of a FFXI World Server.