Masamune ( Final Fantasy VII ) The Masamune is Sephiroth ' s weapon in his various appearances in the " Final Fantasy " series and the " Compilation of Final Fantasy VII " . Design . The Masamune is designed as a Japanese blade . The design and color of the " tsuba " ( guard ) and " tsuka " ( hilt ) have varied alternating between blue and gold and entirely black . The blade ' s exact length varies ; usually measuring at least as long as Sephiroth is tall or slightly longer , which would make it approximately six - to - eight feet long . The angle of the curve of the blade also varies , but it is never entirely straight . Appearances . " Final Fantasy VII " . Said to be the only one capable of effectively using it , Sephiroth wields the Masamune as his personal weapon , but its origins are never stated . During the Nibelheim Incident Tifa Lockhart momentarily , and unsuccessfully , wields Sephiroth ' s Masamune against him . While initially a physical blade , after his transference into the Lifestream Sephiroth can manifest multiple copies of the blade at will , as he leaves the sword impaled in his victims and still has it whenever he is encountered . During the brief time Sephiroth is in the player ' s party , the Masamune is shown to possess six Materia slots in three linked pairs , zero Materia growth , a 255 Hit rate and 99 Attack power . It has a 100 % critical hit rate . A replica of the Masamune can be acquired as an item in the Speed Square of the Gold Saucer , but it is a bonus item and cannot be equipped by any member in the party . In the PC version , using a save editor , it is possible to equip the Masamune to Vincent , since he shares his stats and weapon data with Sephiroth . Even if it is possible to use the Masamune with Vincent , it is not as a katana , but as a gun ; it is silver , and if struck on an enemy it uses the slash animation used by Sephiroth when he strikes and is more powerful than the Death Penalty , Vincent ' s ultimate weapon . " " . Sephiroth manifests the Masamune into his hand upon his transformation from Kadaj . Wielding the blade against Cloud Strife and his new Fusion Swords , Sephiroth demonstrates the blade ' s power by slicing through several metal structures , pillars and concrete wreckage . Sephiroth is beaten by Cloud ' s Omnislash Version 5 that utilizes all of the Fusion Swords in one successive attack . The movie ' s revised version , " Final Fantasy VII : Advent Children Complete " , adds an auditory characteristic to the blade , which now hums in a similar manner to crystal when struck by wind . The scene where Sephiroth stabs Cloud in the shoulder during their fight is reedited to mimic Cloud ' s original impalement during the Nibelheim Incident . " Before Crisis - Final Fantasy VII - " . Sephiroth , with the Masamune , has brief cameo appearances where he supports the forces of the Shinra Electric Power Company in their battle against the terrorist group AVALANCHE . " Crisis Core - Final Fantasy VII - " . Appearing in Sephiroth ' s hands in all battle encounters , the Masamune is not seen on Sephiroth ' s person during instances where he is not battling . Sephiroth matches the speed and deftness of fellow 1st Class SOLDIER s Angeal and Genesis with the Masamune , in spite of the pair wielding shorter weapons and attacking him at the same time . He demonstrates the blade ' s power by cleaving the Sister Ray ' s barrel into various segments as he assails Genesis in the Virtual Reality System . A Sephiroth clone is available to combat in Hojo ' s Laboratory , Experiment No . 124 , which wields a copy of the Masamune . " Last Order - Final Fantasy VII - " . In the anime OVA covering the Nibelheim Incident , Zack ' s Final Stand and the events in - between , Sephiroth , with the Masamune , massacres townspeople before making his way to the Nibel Reactor . Tifa ' s brief wielding of the blade after having watched her father die is also shown . Non - specific appearances . Since the Masamune is Sephiroth ' s iconic weapon , the non - specific appearances of the blade are related with Sephiroth ' s appearances in other games , like " Dragon Quest & Final Fantasy in Itadaki Street Special " and " " . Non - " Final Fantasy " appearances . " Kingdom Hearts " series . Sephiroth summons the Masamune to battle as he acts as Cloud Strife ' s personified darkness . While frequently engaging Cloud in battle , Sephiroth also battles Sora first as a trial in the Colosseum and then on his own interest . In both encounters Sephiroth wields the Masamune in his off hand , following the trend of the principle " Final Fantasy " cast seeming to give Sora various alleviances in their battles . In " Kingdom Hearts Final Mix " , " Kingdom Hearts : Chain of Memories " and its remake , " Kingdom Hearts Re : Chain of Memories " , the Keyblade is modeled after Sephiroth ' s Masamune . " Puzzle & Dragons " . The Masamune appeared in " Puzzle & Dragons " as part of the " Final Fantasy " collaboration . Creation and development . The Masamune is named after the legendary Japanese blacksmith , . According to legend , Masamune ' s weapons possess marks of an internally peaceful and calm warrior , while those of his rival , Muramasa , possess the traits of a restless and destructive warrior . Although they were close , Masamune ' s weapons were superior to Muramasa ' s . In reality , they lived in different historical periods , and never met . The Japanese , on which the appearance of the Masamune is based , is a large two - handed Japanese long - sword carried by foot soldiers as a weapon against cavalry soldiers . They were generally used on open battlefields as the weapon ' s length made their use indoors or close quarters difficult . During times of peace the sword was worn slung across the back as a symbol of status as it required considerably more strength and skill to wield than a conventional katana . Merchandise . Sephiroth ' s Play Arts action figures come with a Masamune .