Mythril Knife Mythril Knife , also known as Mithril or Silver Knife , is a recurring weapon in the series . It is oftentimes a low - ranked knife or dagger , providing minimal attack power and no special effects . Appearances . " Final Fantasy " . Mythril Knife is a low - ranked dagger that provides 10 Attack , 15 Accuracy , and 16 Critical . It can be bought for 800 gil ( 640 on Easy mode ) at Crescent Lake , or found in Castle Cornelia ( with the Mystic Key ) , Mount Duergar , and Marsh Cave . It can be equipped by all classes but the White Mage , White Wizard , Monk , and Black Belt . " Final Fantasy II " . Mythril Knife is a low - ranked dagger that provides 14 Attack , 67 % Accuracy , and 2 % Evasion . It can be bought for 400 gil ( 800 in the NES / PSX versions ) at Altair and Machanon , or dropped from Borghen . " Final Fantasy III " . Mythril Knife is a low - ranked dagger that provides 14 Attack ( 10 in the NES version ) , and can be equipped by the Onion Knight , Freelancer , Warrior , Red Mage , Thief , Dark Knight , Ninja , and Bard . It can be bought for 500 gil at Kazus and Canaan . " Final Fantasy IV " . Mythril Knife is the weakest dagger , providing 20 Attack , 49 Accuracy , and deals extra damage against Ghouls . It can be bought for 3 , 000 gil at Mythril or dropped from Mythril Golem . It can be equipped by Cecil , Kain , Rydia , Edward , Palom , and Edge . In the 3D remake , Mythril Knife now provides 10 Attack , 110 Accuracy , Speed + 1 , and deals extra damage against Ghouls . It is obtained in the same manner as previously , but now can be equipped by Rosa and now only by adult Rydia . " Final Fantasy IV - Interlude - " . Mythril Knife returns as the weakest dagger , retaining all of its attributes from the previous game . It can be dropped from Mythril Golem , and can only be equipped by Cecil , Rydia , Rydia ? , Palom , and Edge . " Final Fantasy V " . Mythril Knife is a low - ranked dagger that provides 23 Attack and 100 Hit Rate . It can be bought for 450 gil at Walse and Karnak , or stolen from Wyvern . It can be equipped by all jobs except the Monk , White Mage , and Oracle . " Final Fantasy VI " . Mythril Knife is the second weakest dagger , providing 30 Attack , enables Runic , and is two - handed compatible . It can be bought for 300 gil at South Figaro or Mobliz in the World of Balance , stolen from Lesser Lopros and Guard Leader , dropped from Iron Fist , or by recruiting Terra and Gogo . It can be equipped by Terra , Locke , Edgar , Shadow , Celes , Setzer , Strago , Mog , Relm , and Gogo . " Final Fantasy XIV " . Mythril Knives are a set of level 38 daggers for Rogues and Ninjas , crafted by blacksmiths . They normally have damage rating of 23 , Dexterity + 8 , Vitality + 8 , and Determination + 7 , while the high - quality knives have a damage rating of 25 , Dexterity + 9 , Vitality + 10 , and Determination + 9 . Two materia slots are present . " Final Fantasy XV " . Daggers can be equipped by Noctis and Ignis . " Final Fantasy Tactics " . Mythril Knife is the second weakest knife , providing 4 Attack and 5 % Weapon Defense . It can be bought for 500 gil at an Outfitter after meeting with Dycedarg at Eagrose Castle in Chapter 1 , or found as rare treasure at Merchant City of Dorter and Mining Town of Gollund using Treasure Hunter . " Final Fantasy Tactics Advance " . Mythril Knife is a low - ranked knife that provides 32 Attack , 1 Evasion , + 1 Jump , and teaches Thief Combo to Thieves for 100 AP and Juggle Combo to Jugglers 100 AP . " Final Fantasy Dimensions " . Mythril Knife is a low to mid - ranked knife that provides 32 Attack and 20 Hit Rate . It can be bought for 3 , 700 gil at Rusalka , Aulë , and Castle Falgabard , or found in Umberwood . " Final Fantasy All the Bravest " . Mythril Knife provides + 1 Attack and can be equipped by Thief , Dancer , Locke , and Rinoa .