Shock ( ability ) Shock , also known as Vengeance , is a recurring ability or spell from the series . When used as an ability , it is associated with the Warrior class , but as a spell is generally a high - ranking Black Magic spell . Appearances . " Final Fantasy VI " . Shock is the special command ability of General Leo and Gau has a chance of using this ability from Yojimbo Rage . It deals large amounts of non - elemental magic damage to all enemies , and it also removes the Invisible status if the monster ( s ) has this status applied to them . Its Spell Power is 128 , and it cannot be dodged . Within the game ' s data , Yojimbo ' s Shock ability is called Megahit ( Super Nintendo ) and Megashock ( Game Boy Advance ) . Unlike many of the other battle commands , Shock isn ' t disabled if Leo has been transformed into an Imp . Normally , imp characters cannot use their special abilities . This is due to the fact that Leo is a temporary playable character not meant to be playable outside of the battle against Kefka in Thamasa . He doesn ' t inflict the imp status in any shape or form during battle and there ' s no way to inflict Leo with imp prior to the battle . " Final Fantasy IX " . Shock first appears as one of General Beatrix ' s abilities in her Seiken skillset . Later in the game , Adelbert Steiner can learn it as a Sword Art from the Ragnarok . It deals large amounts of physical damage , roughly three times the damage Steiner ' s normal attack does , usually amounting to 9 , 999 damage . It costs 46 MP to use , and can be learned for 60 AP . Shock takes on the elemental properties of the weapon when used . The damage formula for Shock is as follows : " Final Fantasy XI " . Shock is a Lightning - elemental Black Magic spell that deals Lightning damage over time that lowers an enemy ' s mind . " Final Fantasy XII " . Shock is a Black Magick spell which inflicts heavy non - elemental damage on a single target . It is available on Black Magick license 6 costing 50 LP . The spell can be purchased at Balfonheim Port after the events at Pharos for 9 , 400 gil and initially uses 34 MP to cast . The " International Zodiac Job System " listed Shock as a Black Magick 11 License . It is bought in Balfonheim for 7 , 800 gil and consumes 34 MP . Only the Black Mage Job class can use Shock . Shock is also used as an enemy ability by Fafnir , Shadowseer , and Shemhazai . " Final Fantasy XIV " . Shock appeared as an ability in the original " Final Fantasy XIV " . At the initial release , Shock was a spell learned by Conjurers at rank 12 and cost 3 action points to set . The ability inflicted lightning - elemental damage over time and also reduced lightning magic defense to all enemies within an area of effect . In addition , an upgraded version called Shock II also appeared as an ability in the game . The spell could be learned by Conjurers at rank 36 . The ability inflicted lightning - elemental damage over time at a higher potency and also reduced the lightning magic defense to all enemies within an area of effect . After the release of patch 1 . 20 , Shock and Shock II became unusable by any class in the game . As of the current moment , neither Shock spells have appeared as abilities in " " , despite it appearing in the game ' s files . " Final Fantasy Tactics " . Vengeance , originally known as Shock ! in the PlayStation version , is used by Beowulf and acts just like the Lifebreak ability , dealing damage equal to the difference in Beowulf ' s Max HP and current HP . Beowulf learns his at the cost of 600 JP , having a range of 8 and costs 20 MP to use . " Final Fantasy Trading Card Game " . One of General Leo ' s cards , depicting his Amano artwork , can use Shock . For a payment of 4 Light CP and the discard of another General Leo card , Shock deals 5 , 000 damage to all the opponent ' s Forwards .