Ultima Weapon ( creature ) Ultima Weapon , also known as Atma Weapon or Ultimate Weapon , is a recurring superboss in the " Final Fantasy " series . It is a six - limbed bio - mechanical monster that first appeared in " Final Fantasy VI " as an ancient war machine created during the War of the Magi . The Ultima Weapon is the namesake for the " Weapon " - type enemies that appear in numerous " Final Fantasy " titles . Beginning with " Final Fantasy VIII " , Ultima Weapon has been depicted as a weaker version of Omega Weapon , an even more powerful superboss that usually demands Ultima Weapon be defeated to challenge it . In later titles , Ultima Weapon has returned to being a standalone boss , often appearing alongside Omega and Shinryu in a trio of optional bosses . Ultima Weapon is also the namesake of the powerful sword , Ultima Weapon , which is sometimes obtained by defeating the monster . Appearances . " Final Fantasy II " . Ultima Weapon first appears in the " " version and returns in subsequent remakes . It is encountered in the Soul of Rebirth optional quest , in a chamber accessed from Machanon . It has 15 , 000 HP and resists all elemental attacks . Defeating the Ultima Weapon allows the party to claim a copy of the Ultima Tome to teach to Minwu . " " . Ultima Weapon is a boss representing " Final Fantasy VI " . It is an optional encounter in the Depths of the True Moon , and is one of the game ' s superbosses , boasting 230 , 000 HP , the highest of any enemy including the final boss . Ultima Weapon has many powerful attacks , including Crush , Bio , and Flare . In a behavior taken from " Final Fantasy VI " , it can buff itself and charge energy to cast Meteor . Upon being defeated , it drops the most powerful sword , the . In the 3D remake releases Ultima Weapon is cut with the rest of the " Final Fantasy VI " bosses . The Ultima Weapon sword is instead obtained from Lunar Bahamut . " Final Fantasy VI " . In the original SNES translation , Ultima Weapon is mistranslated as Atma Weapon . It guards the passage to the Warring Triad on the Floating Continent , and is the strongest boss in the game at that point . It is one of the handful of enemies to use the battle theme " Battle to the Death , " and the first boss the player encounters to use it . It uses a variety of powerful offensive magic , including Mind Blast , which prior to the GBA release was exclusive to it . In Kefka ' s Tower , the party faces the upgraded Ultima Buster . In the GBA and mobile / Steam releases , the third incarnation , Omega Weapon , can be fought at the end of the new bonus dungeon , the Dragon ' s Den , after the player traverses the dungeon once and defeats Kaiser Dragon . " Final Fantasy VII " . Ultimate Weapon is one of the five Weapons awakened by Sephiroth . It is fought at Mideel in a mandatory encounter , but cannot be killed , and after a few rounds it flees . Once the party acquires the airship " Highwind " , Ultimate Weapon roams the skies and can be fought by ramming the airship into it until it stops and engages the party . Ultimate Weapon flees after a few turns , but its HP does not recover when it retreats , and the player can eventually whittle it down and destroy it over Cosmo Canyon . When defeated , the Ultimate Weapon relinquishes Cloud ' s strongest sword , the Ultima Weapon . Ultimate Weapon itself crashes into the ground leaving a crater , which allows passage to the Ancient Forest on foot . " Final Fantasy VIII " . Ultima Weapon is fought at the bottom of the Deep Sea Research Center in an excavation pit . Accessing the final chamber in the research center either requires the player to reach the last door of the previous segment with 10 pressure units left , or have Zell Dincht in the party . The strongest Guardian Force , Eden , can be drawn from it , as well as the spell Ultima , making Ultima Weapon one of only two enemies in the game that can have Ultima drawn from them , the other being Omega Weapon . Ultima Weapon casts Gravija , Meteor and Quake , and with Omega Weapon has exclusive access to the attack Light Pillar , dealing an unblockable 9 , 999 damage to a party member . The Ultima Weapon wields a modified model of Cloud Strife ' s Ultima Weapon from " Final Fantasy VII " . " Final Fantasy X " . The origins of Ultima Weapon are tied to the existence of Omega Weapon for the first time . When the former Yevon monk Omega was executed , his hatred for Yevon was so strong it spawned the fiend Omega Weapon in the Omega Ruins , and a lesser form of Omega Weapon , Ultima Weapon . Ultima Weapon uses a variety of status attacks , and the attacks Shimmering Rain and Energy Core to deal magical damage . Defeating it allows the party to access the second area of the Omega Ruins where Omega Weapon is found . Ultima Weapon is one of only two bosses in the game that can be bribed , the other being Lord Ochu . " Final Fantasy X - 2 " . Ultima Weapon returns as a regular enemy . In a reversal of the original game , Omega Weapon is weaker than Ultima Weapon . The party can find Ultima Weapon in Via Infinito or the Ruin Depths , and can learn the Blue Bullet ability Supernova from it . Ultima Weapon ' s entry in Shinra ' s Bestiary refers to its " Final Fantasy VI " origins , which states not to call him " Atma . " " " . Ultima Weapon is fought as a boss on the 60th floor , along with a Tomb . " Final Fantasy XI " . Ultima Weapon appears in the " " Mission 6 - 4 and has 15 , 000 HP and high damage resistance . This incarnation is smaller than other Ultima Weapons , able to fit on the deck of an airship . A prototype , known as Proto - Ultima , awaits those at the end of Temenos and is much more powerful . A stronger version of this boss known as Arch - Ultima can also be fought in the level 99 content version of Temenos . " Final Fantasy XIV " . Ultima Weapon is an ancient anti - primal war machine of the Allag civilization . The Empire of Garlemald finds it and entrusts it to Gaius Van Baelsar , who restores it to working order and uses it to absorb the primals Titan , Ifrit , and Garuda , to absorb their abilities . Gaius intended to use the Ultima Weapon to subjugate the beast tribes of Eorzea . The Ultima Weapon serves as the final boss of the main campaign , and can cast the magic Ultima in the second phase of the battle . If Ultima is cast , it results in an instant Game Over . Patch 2 . 1 added a Hard Mode version of Ultima Weapon with higher stats and stronger equipment drops . The player can fight the Ultima Weapon again by talking to the Wandering Minstrel and recounting the tale of the battle to him . In " " , in Azys Lla , a weather called Hyperelectricy may rarely occur for a short period ( about 5 real world minutes ) in which an untargetable entity with the same model as Ultima Weapon , but colors closer to the " Final Fantasy VI " version , will fly around the zone . At the same time unmarked FATEs titled " Prey Online " will spawn referring to an entity called Proto Ultima . These FATEs will reward Proto Ultima Exoplating to participants that can be traded for a statless level 1 head piece called Ultima Horns . After unlocking the raid Dun Scaith , the player character can talk to a Goblin in Idyllshire named Slipslix . Slipslix will refer to an Allagan monstrosity roaming the skies ; which has perched in Dun Scaith for an unknown reason . After talking to the Slipslix , Proto Ultima will be unlocked as a fight in Dun Scaith raid ; replacing a previously established fight . This version of Proto Ultima attacks with rapid sequences of aoes , as well as a spell called Supernova - - if allowed to cast , Supernova will instantly destroy the party . When slain , it provides Allagan Weapon Scap , which in turn can be exchanged in for high - level gear . " Final Fantasy Legends II " . Ultima Weapon appears as an event boss and as a summon . The enemy ' s design is based on its appearance from " Final Fantasy VI " . " Dissidia Final Fantasy " ( 2008 ) . Ultima Weapon appears as a summonstone obtained as a stage bonus in the Inward Chaos storyline . When summoned , its battle sprite from " Final Fantasy VI " appears , and it casts Flare Star , charging energy over a period of time . After 60 seconds the attack executes , inflicting a Bravery Break on the opponent unless they are already afflicted . After being summoned it needs eight battles to recharge . " Dissidia 012 Final Fantasy " . Ultima Weapon returns as a summonstone with the same function . It can be purchased from the secret Moogle Shop within the Land of Discord during Scenario 000 for 1 , 500 KP . " Theatrhythm Final Fantasy " . The Ultima Weapon appears in its " Final Fantasy VII " incarnation as Ultimate Weapon , and can be fought as an optional superboss . " Theatrhythm Final Fantasy Curtain Call " . The " Final Fantasy VII " incarnation reprises its role from the first " Theatrhythm " , appearing as a boss in higher difficulties . Its CollectaCard can be used in the CollectaCard Crystarium to increase a character ' s current EXP and maximum CP . " Final Fantasy All the Bravest " . The " Final Fantasy VI " version of the Ultima Weapon appears as an enemy encountered on the Narshe Plains . It uses Meteor and drops the Ultima Weapon from " Final Fantasy VI " . In addition , Ultimate Weapon from " Final Fantasy VII " appears as a premium enemy on the Outskirts of Midgar . " Pictlogica Final Fantasy " . The " Final Fantasy VI " and " Final Fantasy XIV " versions of the Ultima Weapon appear as enemies . " Final Fantasy Record Keeper " . The Ultima Weapons from " Final Fantasy VI " , " Final Fantasy VII " , " Final Fantasy VIII " , and " Final Fantasy X " appear as realm and event bosses . The Ultimate Weapon from " Final Fantasy VII " , under the name Ultima Weapon , also appeared as the Phase 1 boss during the The Five Dooms limited time event inside the " The Weapon Watches " , with each version of the boss increasing in difficulty depending on which rank of the boss was fought . The " Final Fantasy X " Ultima Weapon has appeared multiple times as a powerful boss available to fight during specific events . A stronger version known as Ultima Weapon ( Doom ) appeared as the final challenge of The Ward of Four Crystals Challenge Event inside the " The Ward Unbound " . ability . Lastly , a stronger version of the enemy appeared as a Conquest raid boss for players to defeat . In addition , the " Final Fantasy X " version of Ultima Weapon appears as a summon . Its summon attack is Shimmering Rain , which deals two dark - elemental magic attacks to all enemies . " World of Final Fantasy " . Ultima Weapon will make an appearance . In this incarnation , Ultima Weapon is said to be able to give orders to Mirage monsters . " " . The Ultima Weapon is one of the five Promo cards that can be obtained . In the Japanese and American versions , it must be downloaded from a download station . In the European version , the player has to enter the code L , Up , Right , B , A , B on the Download Pop - Up Card screen . " Final Fantasy Trading Card Game " . The " Final Fantasy VII " Ultimate Weapon in its " Theatrhythm Final Fantasy " appearance has an earth - elemental card . " Triple Triad " . Ultima Weapon from " Final Fantasy XIV " has a Triple Triad card in the version available via " Final Fantasy Portal App " . Non - " Final Fantasy " guest appearances . " Dragon Quest & Final Fantasy in Itadaki Street Portable " . The Ultima Weapon is card # 63 , and increases the stock value of a random street the player controls by 30 % . Etymology . Its Weapon moniker comes from the Weapon - type enemy , which are among the stronger enemies encounters .