Masamune ( weapon ) The Masamune , also known as Masmune , is a weapon that has appeared in numerous titles in the " Final Fantasy " series . It is usually one of the most powerful katanas or swords and is often found late in the game . Appearances . " Final Fantasy " . The Masamune is the strongest sword in the original version , and along with the Ultima Weapon , it can be used by all classes . It is found on the air floor of the Chaos Shrine . It provides 56 Attack , 50 Accuracy and 40 Critical . " Final Fantasy II " . The Masamune is the most powerful sword . It can be found in a treasure chest in a secret room in Pandaemonium , or as the top prize of the minigame available while on board the Snowcraft . It provides 150 Attack , 90 % Accuracy and 4 % Evade , and when used as an item , will cast Haste XI . It is located on the fifth floor of Pandemonium in a hidden room on the right wall of the most upper right room . " Final Fantasy III " . Also called " The Mystic Weapon " , the Masamune can be found in Eureka , wherein it is the strongest regular Dark - elemental sword . Kunoichi must be defeated in order to obtain it . It provides 132 Attack and + 10 Agility . " Final Fantasy IV " . The Masamune is Edge ' s ultimate weapon , acquired by defeating the Ogopogo in the Lunar Subterrane . It has a sister sword named the Murasame . However , in the Game Boy Advance port , stronger swords can be obtained . In the non - 3D versions , it provides 65 Attack and 49 Accuracy , while in the 3D version , it provides 60 Attack , 120 Accuracy , + 1 Strength and + 3 Speed . In all versions , when used as an item , it casts the Haste spell . This weapon is metallic . In the " Easy Type " version , it was renamed to Magic Sword Masamune . The is Edge ' s second strongest katana , with the only slightly surpassing it . It possesses 65 battle power , boosts Speed by 3 , and casts Haste when used as an item . It is dropped from Ahriman in the Depths of the True Moon . " Final Fantasy V " . The Masamune is one of the legendary Sealed Weapons acquired in the Sealed Castle . It is the sealed katana , and its user always goes first in battle . It provides 107 Attack and 15 % chance for Critical Hit s . Only Samurai and Freelancers can equip this weapon . " Final Fantasy VI " . The Masamune was renamed the Aura until the Advance version ' s release . Although it is used by Cyan Garamonde , it is not his ultimate weapon , and several Masamunes can be obtained . It is automatically equipped on him after defeating Wrexsoul in Cyan ' s Soul . It can be stolen from Yojimbo and won from the Dragon ' s Neck Coliseum by betting the Murasame . It has an attack power of 162 , and enables the Bushido and Runic commands . In the Advance port , the Esper Gilgamesh uses the Masamune as one of his attacks . " Final Fantasy VII " . The Masamune is Sephiroth ' s signature weapon : an oversized Japanese Nodachi . Said to be the only one able to effectively use it , Sephiroth wields the Masamune across all of his appearances throughout the " Compilation of Final Fantasy VII " . " Final Fantasy IX " . The Masamune is a thief sword equipped by Zidane . However , it is not his ultimate weapon . It is synthesized in the Black Mage Village after returning from Terra for 16 , 000 gil , a Zorlin Shape and an Orichalcon . The Masamune appears as two katana connected at the hilt . It provides 62 Attack , teaches the ability Sacrifice , and inflicts Doom when used with the Soul Blade skill , making it a useful weapon when battling Yan s . " Final Fantasy X " . The Masamune is Auron ' s Celestial Weapon found at Mushroom Rock Road , requiring the Celestial Mirror to obtain . Unlike other versions , it resembles a western sword more than a Japanese blade . It requires Mars Crest and Mars Sigil upgrade . Fully upgraded , the Masamune has the abilities Break Damage Limit , Triple Overdrive , First Strike and Counterattack . Upgrading the Masamune with the Mars Crest allows Yojimbo to break the damage limit . Like all Celestial Weapons , Masamune ignores target ' s Defense . The Masamune is unique in dealing more damage the lower Auron ' s HP is . This makes it the only Celestial Weapon that can exceed 100 % damage . The damage formula is : Early concept artwork shows an unnamed , unused NPC wielding an unused early version of the Masamune . This character resembles Paine from " Final Fantasy X - 2 " . " Final Fantasy X - 2 " . Auron ' s Masamune is wielded by Rikku when she is wearing the Dark Knight dressphere . " Final Fantasy XI " . Available to players since June 2010 as one of the " " expansion ' s Empyrean Weapon s , the Masamune is the great katana class Empyrean Weapon , and therefore only used by Samurai . As with other Empyrean Weapons , the Masamune can now be upgraded to its elevated Level 99 ( Afterglow ) version , far more powerful than the base weapon . The creation of Empyrean weapons utilizes the Magian system of weapon upgrade , requiring players to amass dozens of rare drop items from powerful Notorious Monster s in the Abyssea zones and utilizing the Voidwatch battle system . Masamune is particularly revered by the playerbase for its colossal base damage , its large Strength modifier , and its devastating Weapon Skill " Tachi : Fudo " , which furthermore causes the weapon to become temporarily even stronger . Additionally , weapons upgraded to their Afterglow form become capable of imbuing allies with this specific ability , temporarily increasing the strength of their weapons as well . There is also a rather less powerful Ninja - only katana , the Hochomasamune . " Final Fantasy XII " . The Masamune is the ultimate katana acquired by completing the Gilgamesh Hunt . It requires the Masamune license for 155 LP to eqiup . The Masamune can be bought from the bazaar , where it is known as the " Master - Crafted Blade " . It can be bought for 350 , 000 gil after selling Gemsteel x2 , Orichalcum x3 and Mallet x2 . While its Attack power of 93 is less than those of Zodiac Spear and Tournesol , the Masamune can be a devastating weapon when equipped with Genji Gloves due to the Masamune holding a high combo rate of 40 % , which the Genji Gloves enhance to 70 % . All katana have 2 . 39s charge , and 1 . 2s action time , making them average when it comes to attacking speed . In the " International Zodiac Job System " version , the Masamune is found in the Lhusu Mines in the area where Gilgamesh is encountered for the second time ; it is possible to acquire it while still fighting him . It is not available in the bazaar . The Masamune can only be equipped to the Bushi job class , and its license costs 130 LP . It has a slightly stronger version called Masamune I ( マサムネ I ) that is identical to the Masamune in appearance but is a one - handed sword instead of a katana . The Masamune I can be bought from the bazaar by selling the Gemsteel x2 , Orichalcum x3 , and Mallet x2 . The Masamune has a 40 % combo rate , which is an allusion to the weapon in the original " Final Fantasy " , which had the critical rate of 40 % . The Masamune from the first " Final Fantasy " weapon only has the critical rate due to the Critical Hit bug , which appears to have been deliberately preserved in all later remakes of the original " Final Fantasy " . By assigning the stat to the " Final Fantasy XII " weapon , the " bug " is perpetuated further . Masamune is Gilgamesh ' s special attack , dealing heavy melee - type damage to one foe . " Final Fantasy XIII - 2 " . Masamune is mentioned in the Brain Blast quiz in Academia 400 AF , which mentions that Masamune is known as the world ' s best weaponsmith that designs and creates the finest swords known to man . Gilgamesh wields a Masamune in downloadable battle , dealing heavy damage with it . In the " Final Fantasy XIII - 2 Ultimania Omega " it is revealed that Gilgamesh found it from a poisoned river in Doma , referencing " Final Fantasy VI " . " Final Fantasy XV " . The Masamune was available as a pre - order bonus . It is now available as a . Unlike the other DLC weapons , the Masamune is not a signature weapon from the rest of the series , but a redesigned version of the recurring weapon for " Final Fantasy XV " . " Final Fantasy Tactics " . The Masamune has an attack power of 18 and a weapon defense of 15 % . The katana ' s Iaido ability is called Ethereal Embrace , granting the Regen and Haste statuses . The Masamune cannot be bought . The Masamune is wielded by one of the antagonists , Marquis Messam Elmdore , and must be stolen from him . It may also be Thrown by high - level enemy Ninjas , meaning the player can catch it with the Sticky Fingers ability equipped . In the , Elmdore has the Safeguard ability , preventing his equipment from being stolen , but the sword can still be stolen from a Samurai working for Celebrant Bremondt Freitberg , and is still thrown by high - level Ninjas . It can also be obtained via Rendezvous . " Final Fantasy Tactics Advance " . The Masamune is a standard weapon wielded by Ninjas and Assassins . It teaches Oblivion to both classes , and provides + 65 Attack . It can be bought at Muscadet for 25 , 000 gil , as a Clan Level - Up Reward , or stolen during the missions " Materite Now ! " and " Free Muscadet ! " . The is a weapon wielded by Ninjas , Parivirs , Assassins , Chocobo Knights and the Heritor . It can be obtained by selling a Moon Ring , Clear Sap , and Spider Silk at the bazaar . It teaches Oblivion to Ninjas and Assassins . " Final Fantasy Crystal Chronicles " . The Masamune is an artifact that boosts its possessor ' s Strength by 5 , making it one of the most powerful Strength - boosting artifacts . It can be obtained by defeating the Iron Giant at Mount Kilanda , cycle 3 or later . The Masamune is one of the strongest weapons for Clavat s along with it ' s twin sword , the Murasame . It raises the players ATK by 160 . The scroll used to make this is called Foreign Weapon . " The Final Fantasy Legend " . The weapon Masmune has a sword icon before its name . It can be found on the outside of the Tower , guarded by Su - Zaku2 . It has 50 uses , and the damage formula for Masmune is base on Strength . " Final Fantasy Legend III " . The weapon is called Masmune and it has a mystic sword icon before its name . It is one of the four Mystic Swords . It can be found in the Crevasse , though it is a simple sword with a curse and goes by the name Muramas . The curse is removed and renamed by Masa the weapon artist on board the " Talon " . It grants + 100 Attack , the second strongest Mystic Sword and + 170 to Cyborg HP . Like the other Mystic Swords , it deals Mystic - elemental damage against bosses and does not cause physical damage , a common late - game resistance . " Final Fantasy Legends II " . While not appearing formally , the Masamune is wielded by the Onion Ninja in his artwork . " Dissidia Final Fantasy " . The Masamune as seen in " Final Fantasy VII " is Sephiroth ' s weapon of choice . The Masamune also appears as an equippable weapon exclusive to him . The Masamune gives 64 ATK , increases all damage by 10 % , and can be equipped at level 95 . " Dissidia 012 Final Fantasy " . The Masamune is once again featured as the weapon Sephiroth wields in battle . Vaan wields the " Final Fantasy XII " version of the blade in his EX Mode . It is also one of the eight weapons Gilgamesh uses randomly when attacking , and Gilgamesh ' s version borrows its appearance from Sephiroth ' s Masamune , albeit with a slightly shorter blade , possibly as a reference to Gilgamesh ' s " Final Fantasy XII " appearance , where he used fake versions of weapons from previous games . When he uses it , it produces more EX Force than usual . As an equippable weapon , the Masamune remains as an exclusive weapon for Sephiroth , being now a level 90 weapon with a 63 ATK Bonus , a 34 BRV bonus , and a 1 DEF penalty , and now it only increases all damage by 7 % . " Theatrhythm Final Fantasy " and " Theatrhythm Final Fantasy Curtain Call " . Sephiroth wields the " Final Fantasy VII " version of the Masamune in his character model . " Final Fantasy All the Bravest " . Masamune grants + 10 to Attack . It can be equipped by Samurai , Ninja , and Auron . Non - " Final Fantasy " guest appearances . " Kingdom Hearts " series . In ' and ' , two , the and the , are modeled after Sephiroth and Auron ' s respective versions of the Masamune . The One - Winged Angel is won by defeating Sephiroth in the at ( " " version only ) , and the Guardian Soul is won by defeating Hades in the Underworld after freeing Auron from his control . Sephiroth also wields his original Masamune when fought as a boss . Sephiroth can wield the Masamune during battle . " Puzzle & Dragons " . Sephiroth ' s Masamune appeared in " Puzzle & Dragons " as part of the " Final Fantasy " collaboration .