Mist Dragon The Mist Dragon , also called Dragon , is a summon that has only one relevant appearance in a main series installment , but has also appeared in spin - offs . Its trademark ability is the Radiant Breath , also known as Mist Breath . Appearances . " Final Fantasy IV " . The Mist Dragon ' s first appearance is small , but nonetheless vital . It guards the Mist Cave leading to Mist , and is summoned by Rydia ' s mother . When Cecil and Kain slay the Dragon , Rydia ' s mother dies as well . When they confront Rydia shortly after , it is this revelation , as well as the King of Baron ' s manipulations of them , that convinces the two to rebel against the King ' s orders . Later , when Golbez summons the Shadow Dragon to kill Cecil and his friends at the Dwarven Castle , Rydia , now matured to a young woman , intervenes , and summons the Mist Dragon whose Radiant Breath kills the Shadow Dragon and leaves Golbez open to the party ' s attacks . From that point on , Rydia can summon the dragon freely in battle . It has a casting time of 3 , costs 20 MP to summon , and does damage based on Rydia ' s current HP — the more HP she has , the more damage it does . On the " Easy Type " version , the casting time was reduced to 2 . The " Advance " release adds in Rydia ' s Lunar Trial based on her summons . Her trial within the Lunar Ruins involves her reverting to child form and having to fight four of her summons , then fighting the Lunar Dragon , a powered up Mist Dragon . Killing it earns the Mist Ring which adds a single Blink image to the party after preforming its attack . In the 3D release , the Mist Dragon ' s design is that of a , rather than the appearance of an as in the original releases . Its non - elemental attack was changed to the Holy - elemental and its Mist Breath was renamed to Radiant Breath . In addition , its summoning cost was increased to 35 MP . " Final Fantasy IV - Interlude - " . Mist Dragon returns as a Summon spell for Rydia in the sequel of " Final Fantasy IV " . It deals moderate non - elemental damage to all enemy at the cost of 20 MP . When the real Rydia appears , she summons the Mist Dragon to knock some sense into Bahamut who dismisses himself from battle after being hit by Mist Dragon ' s Radiant Breath . During Kain ' s Tale , the Mist Dragon intervenes when Ceodore and the Hooded Man are escaping from Baron soldiers in the Mist Cave . If the player inspects the gravestone of Rydia ' s mother in the village of Mist , the Hooded Man will express his sincerest gratitude for saving their lives . If the player visits Mist during the , the party discovers the Mist Dragon has protected the village from the meteors . Rydia calls out to her mother , who tells her she cannot leave the village until the other Eidolons have been freed . When the task is completed and Rydia returns , she asks the villagers why the Mist Dragon was not mind - controlled , unlike the other Eidolons . They tell her it was the work of the children and the villagers , who only have a fraction of Rydia ' s power , and pooled it together to protect her mother ' s dragon . Rydia ' s mother tells her she will always be with her and the villagers . The Mist Dragon then returns to Rydia . The Mist Dragon costs 35 MP to summon and deals non - elemental damage to all enemies . Its spell power is 120 . " Final Fantasy All the Bravest " . Mist Dragon is the sole eidolon that Rydia can summon in " Final Fantasy All the Bravest " . It performs Mist Breath when summoned . " Final Fantasy Record Keeper " . The Mist Dragon appears as a boss and as an obtainable summon ability in " Final Fantasy Record Keeper " . It is fought in the Mist Cave and its summon ability attack is Radiant Breath . Veterans of the series already know how this fight works : attack while it ' s in dragon form only , and heal or defend while it ' s in mist form . The first battle with this boss will be difficult to master for one reason : its innate weakness to Dark attacks . At lower levels , the only Dark attack the party has is the Black Mage ' s Darkbolt Soul Break . If the player has built up enough energy to use this , he should unleash it immediately . Otherwise , the Dark spell when created will take it out in a turn , by which time most anything will be overkill . Kain joins the fray after the first visit , just in time for what is to come . Dragon is a level 2 Summoning Ability requiring Lesser Summon Orbs + Lesser Non - Elemental Orbs . " " . The Mist Dragon appears in this " Chocobo " series installment as a water element card , and has six cards under its name . The Mist Dragon also appears as a summon in the anime , " " as Sword Dragon Makenshi ' s trademark summon . Makenshi has various methods of summoning the Sword Dragon to his aid , all involving him throwing a bottle of mist into the air and striking at it vertically with his sword . This summon is one of the few things that can battle Gun Dragon . Makenshi ' s brother , Madoushi , is also capable of assuming a Mist Dragon form and does so using " Pure Red Requiem ! " Like Makenshi ' s Pure White Requiem form , this Mist Dragon produces a powerful burst of energy . " Triple Triad " . Mist Dragon from " World of Final Fantasy " appears on a " Triple Triad " card in the version available via the " Final Fantasy Portal App " .