Thor ' s Hammer ( weapon ) Thor ' s Hammer , also known as Mjollnir , Mjöllnir , Thor Hammer , and Thor , is a recurring weapon in the series . It is oftentimes one of the most powerful hammers , and is usually associated with the Lightning element . It is often found near the end of the game and has high Attack power . Appearances . " Final Fantasy " . Thor ' s Hammer is the second strongest hammer , only bested by the War Hammer . It has an Attack of 18 and Accuracy of 15 , and casts Thundara when used as an item . It can be used by the Knight , Ninja , and White Wizard Job classes . It is found on the second floor of the Mirage Tower . " Final Fantasy III " . Thor is a weapon exclusive to the NES version that provides 30 Attack and can be found in Amur Sewers , Lake Dohr , Falgabard , and Saronia Catacombs . " Final Fantasy IV " . Thor ' s Hammer is the second strongest hammer , and only appears in the " Advance " and " " remakes . It provides 190 Attack , 15 Strength , and 30 Accuracy , and deals Lightning - elemental damage . It inflicts critical damage to Machine - type enemies , and casts Blitz when used as an item . This weapon is metallic . It can be acquired from the Cave of Trials after defeating the Death Machine that guards it . " Final Fantasy V " . The Thor ' s Hammer is a high - ranked hammer and is found in a hidden chest in the Dimension Castle section of the Interdimensional Rift . It can also be obtained by steal ing it from Death Claw . It has 78 Attack , 81 Hit Rate , and is long - ranged . It can only be used by Freelancers , Berserkers , and Gladiators . " Final Fantasy XI " . The Mjollnir is the White Mage ' s Relic Weapon , available only to level 75 White Mages after having completed an immensely lengthy and expensive quest ( often taking months of time , hundreds of millions of gil , and the full assistance of an entire Linkshell community to obtain difficult Dynamis drop items ) . The inception of the Mjollnir by the developers around the launch of the " " expansion was essentially to validate the White Mage job class as a front - line fighter . Though with optimal gear and clever strategy a White Mage with this weapon is formidable , it is still , however , outclassed by most other jobs designed specifically for combat with mediocre gear builds , and is therefore viewed as a trophy item for those who obtain it . It is also criticized for not amplifying " any " magical aspects of the White Mage job ( as many other Relic Weapons build on their respective jobs ' greater aspects ) but instead attempts to make up for the job ' s poor offensive combative skills . Notably , however , this club is the most powerful one - handed weapon ( based solely on the damage statistic ) in the entirety of " Final Fantasy XI " , including swords , axes , katana , and daggers . " Final Fantasy XIV " . Mjollnir is the name of Nero Tol Scaeva ' s self created gunhammer . " Final Fantasy Type - 0 " . Thor ' s Hammer is Cinque ' s ultimate weapon . It provides 74 Attack Power ans is dropped by True Gilgamesh when defeated by Cinque on the third playthrough . It can also be obtained in the PSP version by exchanging for 15 tickets on the Square Enix Members site . It sells for 1 gil . " Final Fantasy Crystal Chronicles " . Mjollnir is a Strength - raising artifact that grants Strength + 3 . Mjollnir has an attack of 13 and can only be bought from the multiplayer shop in Guera for 3 , 300 pts . " Dissidia 012 Final Fantasy " . Mjollnir is classified as a pole , granting 69 Bravery , 62 Attack , and decreases HP by 288 . It may only be equipped by characters level 90 or above . Non - " Final Fantasy " appearances . " Blood of Bahamut " . Mjolnir and Thor ' s Hammer are hammers that can be equipped by Kamo .