Fomalhaut The Fomalhaut , also known as Formalhaut , is a recurring weapon in the " Final Fantasy " series . It is usually the most powerful gun . Appearances . " Final Fantasy XI " . The Fomalhaut is the marksmanship entry in the Aeonic class of legendary weapons . Equippable only by Rangers and Corsairs , it can dispense Chrono Bullets once every hour and grants the weaponskill " Last Stand " to activate its Aftermath effects . Like other weapons of the Aeonic class , it is the only gun capable of executing the " Ultimate Skillchains " Radiance and Umbra . " Final Fantasy XII " . The Fomalhaut is the ultimate gun with an attack power of 50 . The license costs 150 LP . Due to the way guns work , ignoring enemy defense and Protect status , Fomalhaut is an especially powerful weapon if obtained as soon as it becomes available . Guns are the slowest weapons , apart from Wyrmhero Blade , at 4 . 2s charge and 1 . 4s action time . Fomalhaut is a good weapon for a character with the lowest attack in the party ( such as a mage ) , as the guns ' damage calculation only uses the gun ' s own attack stat to determine damage . When used with the Dark Shot while equipping the Black Robes , the player also gets an additional + 50 % boost to damage , making it a good weapon against even Yiazmat . Fomalhaut is only obtained from randomly spawning treasure chests and because the chests respawn , the player can obtain multiple Fomalhauts . The Fomalhaut chest may spawn in the Lhusu Mines , Cerobi Steppe , Henne Mines , or Subterra . The Lhusu Mines chest is on Site 9 in the place where Antlion is fought . At the back of that cave , there is a chest with a 60 % spawn rate with a 50 % chance to contain the Fomalhaut ( the other treasure is a Knot of Rust ) . The player must not equip Diamond Armlet , or the Fomalhaut changes into an Elixir . This is the earliest point Fomalhaut can be acquired , available after reaching Mt Bur - Omisace . The player may backtrack to the Save Crystal to make the chest respawn , or use the soft reset function . The Cerobi Steppe has two chests which may spawn the Fomalhaut . The first is in the Northsward and the chest spawns at a 50 % rate near the center of the western edge . With the Diamond Armlet there is a 5 % chance for it to be a Fomalhaut . Another chest in the Crossfield area also spawns at a 50 % rate , and with the Diamond Armlet has a 4 % chance to yield the Fomalhaut . The chest is past the first rock when entering from the Save Crystal area . The Henne Mines chest is in the Special Charter Shaft and spawns at a 40 % rate . With the Diamond Armlet it has 80 % chance to be a Fomalhaut , and a 20 % chance to be 10 , 000 gil . The chest will spawn only once . The Subterra chest is in Umbra - South and spawns at a 55 % rate , and without the Diamond Armlet has a 20 % chance to be a Fomalhaut . In the " International Zodiac Job System " , the Fomalhaut is now the second strongest gun . It provides a + 52 Attack and can only be equipped by the Machinist and the Shikari , although the Shikari must first acquire the license for Shemhazai and to be able to activate its license . The Formalhaut serves as Balthier ' s strongest weapon and has the element of Water . It has Attack power of + 100 , Magic attack of + 50 , Attack Speed of + 36 , and it adds + 15 to Balthier ' s Strength . Formalhaut is a reward for Mission 77 : Darkening Clouds Gather . It uses a generic gun sprite during battle . " Final Fantasy XIII " . The Fomalhaut Elites is a pair of guns for Sazh . They are second tier weapons , obtained by upgrading the Antares Deluxes with a Uraninite . Fomalhaut Elites have the passive ability Chain Bonus Boost II . They have minimum level of 15 with minimum Physical of 86 and Magic of 92 . Fomalhaut Elites take 153 , 000 EXP to level up to the max level of 41 with 216 Physical and 222 Magic . At their max level , the guns can be dismantled to twelve Thrust Bearings , a Cobaltite , and the Antares Deluxes . " Final Fantasy Tactics " . The Fomalhaut is the most powerful non - elemental gun in " War of the Lions " , providing 18 Attack and 5 % Weapon Defense . It can only be obtained via Melee and Rendezvous . " Dissidia 012 Final Fantasy " . Fomalhaut appears as the only gun - type weapon with a minimum level requirement of 90 . It adds 64 ATK and 58 DEF to its wielder and increases their Assist Gauge ' s duration by 25 % , but subtracts 288 BRV and 1 DEF . It is surpassed only by the Death Penalty . It can be purchased at the shop by trading 153 , 400 gil , Antares , Tiamat Carapace , and Gunner ' s Hope x5 . Fomalhaut in its " Final Fantasy XII " incarnation also appears as one of Vaan ' s EX Mode weapons , replacing his Altair . Etymology . Like many other models of gun in the series , this weapon is named after a star .