Midgardsormr Midgardsormr , also known as Terrato , Midgar Swarm , or Midgar Zolom , is a recurring serpent creature in the " Final Fantasy " series . It has appeared as a summon on a couple of occasions , as well as an enemy on a number of others . Its debut was as a summon in " Final Fantasy VI " . It is occasionally related to the Basilisk . Appearances . " Final Fantasy VI " . Midgardsormr , originally named Terrato in the English SNES version due to name - size limitations , is an esper obtained in Yeti ' s Cave . Once finding it , a fight will ensue with Yeti . Midgardsormr ' s summon spell , Abyssal Maw ( Earth Aura in the original SNES version ) , costs 40 MP , deals Earth - elemental damage to all opponents . Its Spell Power is 93 , and it is unblockable , but it cannot hit flying targets . Midgardsormr teaches Quake ( x3 ) , Graviga ( x1 ) and Tornado ( x1 ) . It provides HP + 30 % at level up . " Final Fantasy VII " . Midgar Zolom appears in the swamp by Mythril Mine next to the Chocobo Farm . When the player first gets to this point in the game , the Midgar Zolom is difficult to defeat , so it is easiest to avoid it by crossing the swamp on a chocobo . Midgar Zolom will usually flick a party member out of battle , who will be alive on the side of the swamp if the other party members are KO ' d preventing a Game Over . Midgar Zolom uses the E . Skill Beta . If defeated , Midgar Zolom will respawn in the swamp . After crossing the swamp , the party will discover a dead Midgar Zolom impaled on a tree , which they presume was the work of Sephiroth . " Final Fantasy XI " . Midgardsormr is the name of a server . " Final Fantasy XII " . Midgardsormr is a Rare Game Basilisk enemy . A large snake that can be fought in the Paths of Chained Light area of Golmore Jungle , it can inflict Poison . " Final Fantasy XIV " . Midgardsormr is the name of the guardian of Silvertear Falls and wyrmking of the Dravanian Horde . He was seen during the opening CG of the original game release ( set 10 years in the player ' s past as of version 1 . 0 of " Final Fantasy XIV " ) , leading a horde of dragons against a fleet of Garlean airships in the Battle of Silvertear Skies . He was killed by an explosion on the massive Imperial flagship " Agrius " , and his carcass could be seen entwined with the ship ' s hulk , known as the The Keeper of the Lake . " Final Fantasy XV " . Midgardsormr is a level 54 enemy fought in the Callatein ' s Plunge in Cleigne and during the Serpent of Risorath Basin Hunt . It begins buried underground until approached . " Final Fantasy Tactics " . Midgardsormr , mistranslated as Midgar Swarm in the PlayStation version , is a summon spell used by Elidibus . It ' s a powerful non - elemental magickal attack that hits a single square up to four squares from the caster . From a technical perspective , its art is merely a recolored version of the Salamander summon . " The Final Fantasy Legend " . The Jorgandr is not a fightable enemy , but is a possible monster that the party ' s monster unit ( s ) can transform into . " Final Fantasy Legend II " . The Jorgandr is an enemy and also a possible monster that the party ' s monster unit ( s ) can transform into . " Final Fantasy Legend III " . Jorgandr is a boss who resides in Jorgandr Desert . He is fought after the " Talon " crashes in the desert . There is a chance of encountering Jorgandr in a random battle in the Crevasse , and it gives the same amount of experience points as it did when Arthur fought it as a boss in Jorgandr Desert . Jorgandr is immune to all status ailments , strong against physical damage , and strong against all elemental damage . His only weakness is the special property the Mystic Swords possess . Etymology . " Terrato " may be related to the Italian word " sotterrato " , which means " buried " , or perhaps it may be related to " terato " from the Greek " teras " , meaning monster . It seems to have been used in place of " Midgardsormr " ( a name Ted Woolsey would have caught ) due to the hard eight - character limit affecting esper names in the SNES version of " Final Fantasy VI " . " Midgar Zolom " is discussed on its page ; " Midgar Swarm " is likewise an artifact of the infamously low quality of the translation of the PS version of " Final Fantasy Tactics " , with the translator not picking up on the mythological reference and interpreting as " swarm " .