Strength + Strength + , also called ATK + , is a recurring ability in the " Final Fantasy " series . It increases the user ' s Strength , either by a set amount or a percentage of the base amount . Appearances . " Final Fantasy VI " . The Hyper Wrist and Bone Wrist increases the wearer ' s Strength by 50 % . Various Espers grants a permanent boost to Strength when the equipped character levels up . " Crisis Core - Final Fantasy VII - " . Materia Fusion can grant ATK + to Materia , increasing Zack ' s ATK up to 100 points on a single Materia . The SP Turbo and SP Turbo Attack Support Materia increase the damage done by Zack ' s attacks by 20 % for each level of the Materia , but cause Zack to expend SP when he attacks . " Final Fantasy VIII " . Guardian Force s can learn Str + 20 % , Str + 40 % , and Str + 60 % . The Str Bonus ability increases a character ' s Strength by 1 on level up , and unlike the + % abilities the boost is permanent for that character . " Final Fantasy X " . Strength + 3 % , Strength + 5 % , Strength + 10 % , and Strength + 20 % can be customized onto weapons . " Final Fantasy XII " . The Battle Lore Augment on the License Board grant the character + 1 Strength when taken . The Focus Augment increases damage by 20 % when the character has full HP , and Adrenaline doubles damage when the character is at critical health . " Final Fantasy Tactics " . The Geomancer can learn Attack Boost , granting + 33 % damage . Dancers can learn Fury , which increases Physical Attack by 1 when the character is struck by a weapon . " Final Fantasy Type - 0 " . ATK Boost has six different levels , each increases ATK by a greater amount than the previous level . ATK Grow , much like Str Bonus in " Final Fantasy VIII " , increases the amount of ATK the character gains upon leveling up , depending on the level the ability is at currently . ATK Boosts can be customized onto equipment via Strength Stones , while ATK Grow is customized onto equipment via the Small Ruby and Ruby . " Final Fantasy Legend II " . The Power MAGI increases a Robot ' s HP by 99 and Str by 22 when equipped on them . Power increases the equipped character ' s Str by 5 and adds 1 point of Str to physical damage for each MAGI the player possesses . " Bravely Default " . Monks learn P . Attack 10 % Up at job level 9 ( requires 1 slot to equip ) . Pirates learn P . Attack 20 % Up at job level 9 ( requires 2 slot to equip ) . Dark Knights learn P . Attack 30 % Up at job level 12 ( requires 3 slot to equip ) . " Final Fantasy Dimensions " . STR + 20 % is the level 13 ability of the Warrior class , requiring 280 AP to learn . It requires 1 slot in order to equip and use . " Dissidia Final Fantasy " / " Dissidia 012 Final Fantasy " . Various accessories grant boosts to ATK . Some accessories and weapons grant percentage - based boosts to damage and physical damage . When an Equip ability is mastered , the character learns an Adept ( in " Dissidia " ) or Master ( in " Dissidia 012 " ) for that type of equipment . When the Adept / Master ability is equipped while the character has a weapon of the corresponding type equipped , the character has a + 5 % damage boost . " Theatrhythm Final Fantasy " . Strength Up comes in three levels of power , each level granting a larger bonus to Strength and damage during BMS sequences , but Lv2 and Lv3 carry a penalty to Agility . Strength Up Lv1 increases Strength by 20 and increases damage during BMS to 1 . 1x times normal , Strength Up Lv2 offers + 40 Strength and 1 . 3x attack power but has a penalty of - 60 Agility , and Lv3 increases Strength by 65 and increases attack power to 1 . 5x normal , with a penalty of - 120 Agility . Warrior of Light , Firion , Kain and Cloud learn all three levels of Strength Up , Squall , Seifer and Prishe learn Lv1 and Lv2 , and Sephiroth learns only Lv1 .