Syldra Syldra , also known as Hydra , is a character and summon from " Final Fantasy V " . She is Faris Scherwiz ' s childhood friend . Her signature attack is a wind - elemental Thunderstorm , which she shares with some lightning - elemental summoned monsters . Appearances . " Final Fantasy V " . Syldra is Faris ' s pet sea dragon . In the " Anthology " release , Hydra is referred to as male , but in all other versions she is female . Story . When a young Faris fell overboard , Syldra saved her . Faris became friends with the beast , and when she became captain of the pirates who rescued her , she used Syldra to help them out . Syldra pulls the pirate ship through the water , which makes it one of the two known ships on Planet R that doesn ' t need wind to move . The ship is attacked by Karlabos , and Syldra is separated from the party . Later , Syldra sacrifices herself to save the party from the sinking Walse Tower , and Faris breaks down . Upon visiting the Pirates ' Hideout in the Merged World Faris sees Syldra ' s spirit in the cove . Bartz and Lenna do not see anything , but Krile , who can understand Syldra , tells Faris that even in death , Syldra wants to help . These words comfort Faris , and the party is given Syldra to summon . Gameplay . Syldra is a level 4 summon and deals an attack called Thunderstorm for 32 MP , which does Wind - elemental damage to all enemies . When boosted with the Air Knife or Magus Rod , Syldra can deal almost as much damage as Bahamut , for half the MP cost . In the mobile and Steam versions , the player earns the " Say Hello , Syldra ! " achievement after obtaining the pirate ship . " Final Fantasy Legends II " . Faris in a Summoner job accompanied by Syldra appears as a summon . " Dissidia 012 Final Fantasy " . Syldra is a summon whose Thunderstorm will instantly negate any other summon ability that takes effect over a period of time or takes time to charge up , such as Shiva , Leviathan , or Tonberry . Summons that take effect instantly are unaffected . She can be purchased from certain Moogle Shop s for 120 KP . There is a trade accessory called " Syldra Spine " . " Final Fantasy Airborne Brigade " . Syldra appears , using Thunderstorm , its signature attack from " Final Fantasy V " . " Final Fantasy Artniks " . Syldra appears as an obtainable card . " Final Fantasy Record Keeper " . Syldra often accompanies Faris in her Soul Break s . " Mobius Final Fantasy " . Syldra appears as a water - element ability card in " Mobius Final Fantasy " . Her ability is Ice Burst which is a warrior ability that allows an area water attack . She produces six water orbs in battle . She possesses the extra skills Bloodthirst , Elemental Retrieval and Guard Breaker . Her auto - ability is Magic Up + 3 % . She can be obtained from the Ability Card Shop or through Summoning . " World of Final Fantasy " . Syldra appears with Faris and fights in conjunction with her . After Lann and Reynn lose a confrontation against Syldra and Faris , only to face off against a Federation Guard , Tama comments " out of the hydra . . . " a possible reference to Syldra ' s being known as " Hydra " in some translations . " Final Fantasy Trading Card Game " . Syldra appears in the " Trading Card Game " representing the element of Wind . Non - " Final Fantasy " guest appearances . " Itadaki Street " . Syldra is a chance card in " Dragon Quest & Final Fantasy in Itadaki Street Portable " , the card ' s ability : Can buy empty place or house from other owners with 4x cost .