Zodiark ( summon ) Zodiark , Keeper of Precepts , also called Zodiac , is an Esper from the world of Ivalice . The Esper of Dark , he represents the zodiac sign of Ophiuchus , the Serpent Holder . Zodiark is indeed a serpent , in the form that Ophiuchus is most commonly associated with : a snake . From his power of Dark , his color sign is black . Zodiark is also referred to as the Ashlesha Ascendant , which is the Sanskrit name of its zodiac sign as used in Jyotish ( Hindu ) astrology . Zodiark was formerly known as Serpentarius . In " Final Fantasy XII " the rare gem , which can be stolen from Zodiark , refers to this . Zodiark made its first appearance as zodiac in " Final Fantasy Tactics " , renamed Zodiark for " Final Fantasy Tactics : The War of the Lions " . Appearances . " Final Fantasy XII " . Zodiark dwells in the Henne Mines , in the Special Charter Dig area . To unlock the Special Dig site the player must collect at least ten Espers , go to Jahara and speak to Geomancer Yugelu . He ' ll unlock the gate to the Phase 2 Dig , which leads to the Special Charter Dig area . One of the items the player can steal from Zodiark is the rare Serpentarius gem needed in making the Tournesol weapon . Zodiark is unlocked in the Sky Pirate ' s Den in the Clan Primer by defeating him , earning the title Zodiac Knight . Attacks . Banish Ray : A Dark - elemental attack , and Zodiark ' s basic offensive spell . Banish Ray usually deals 9 , 999 damage , which is only mitigated by enemies immune to Dark - elemental attacks . Final Eclipse : A non - elemental attack , and Zodiark ' s ultimate attack . In an eclipse , Zodiark falls into a calm sea . An egg rises to the surface , and Zodiark hatches to reveal his second form , a serpent with vast , feathered wings . Folding his wings around his body , he draws energy from his surroundings and spreads his wings wide , filling them with power and obliterating his surroundings . As he flies off into space , with the energy of the eclipse charged in his body , Zodiark flies to the targeted enemy , and in a catastrophic explosion destroys the fabric of reality itself . Final Eclipse will always deal 50 , 000 base damage . ( Yiazmat possesses a passive damage - reducing ability ; against him Final Eclipse deals 35 , 000 damage ) , making it one of the most powerful attacks . Unlike Shemhazai ' s Soul Purge , Final Eclipse does not need to be charged up using items , therefore making it a better choice in many players ' opinion . Unlike most other Esper attacks , Final Eclipse is unaffected by Reverse . In the " International " version , Zodiark can no longer cast Flare , but can cast Renew and Hastega . Final Eclipse ' s damage has been boosted to 60 , 000 . He also gains the Null Vitality augment . " " . Zodiark returns in its second form , along with the other Espers . He is a non - elemental ranged Rank III summon found during the Keeper Of Precepts mission , within the Well of Whispered Oaths . His twelve wings may be a reference to the 12 Espers corresponding to the horoscope signs . Zodiark ' s attacks are : " Final Fantasy XIV " . Though only mentioned , Zodiark is worshiped by the Ascian s who are striving to resurrect what they consider to be the true god of the world . A glyph resembling an outline of Zodiark in " Final Fantasy XII " even appears over an early Ascian in a cutscene . " Final Fantasy Tactics " . Zodiark , called Zodiac in the PlayStation version , is the most powerful summon spell . It costs 99 MP and has a speed of 10 . Zodiark is summoned by Elidibus at the bottom of the Midlight ' s Deep . To learn it , player units must currently be a Summoner and get hit by Zodiark ' s attack and survive . The player is asked if s / he would like to learn Zodiark . It is recommended that at least one ally Summoner learns Zodiark from Elidibus . It has a 90 % chance of being learned . When the player challenges the bottom floor of Midlight ' s Deep again , there is a 25 % chance to encounter an enemy Summoner ( of random gender ) who possesses no Espers and can learn Zodiark from a player unit if s / he survives being hit by the player ' s Zodiark . The player can then wait for the enemy Summoner to cast Zodiark back on the player ' s side . The player cannot attempt to Entice that Summoner to join his / her party , because this unit is glitched and does not have the Summoner job in his / her learning ability menu . In the PlayStation version , upon summoning this Esper the caster may chant , " Attack by the master of commandments ! Zodiac ! " Zodiark appears as a Scion . He can be called by anyone equipping the Ring of Precepts when the Smash Gauge is orange . When summoned , Zodiark attempts to inflict 999 damage to all units at a 50 % chance . " Final Fantasy Trading Card Game " . Zodiark appears in the " Final Fantasy Trading Card Game " . Etymology . The creature is known as both Zodiark and Zodiac . Zodiark could be an amalgam of words zodiac and ark . Zodiark is also referred to as the Ashlesha Ascendant , which is the Sanskrit name of its zodiac sign as used in Jyotish ( Hindu ) astrology .