Speed+ is a recurring ability in the Final Fantasy series. It offers a boost to the user's Speed, either by a percentage of their base Speed or by a set amount.
The Artful Dodger support ability is the final ability of the Thief Job, and grants the Thief's innate Agility bonus, namely +16 Agility.
Speed Plus is an Independent Materia that increases Dexterity by a percentage based on the Materia's level, from +10% at level one to +50% at level five. It can be acquired by exchanging points at the Battle Square.
Pandemona and Cerberus learn the abilities Spd+20% and Spd+40%, increasing the equipped party member's Speed by the given percentage. The two of them along with Eden also learn Spd-J, allowing the party member to Junction magic to their Speed stat.
Vaan has the Sprint ability, which increases his movement speed. Several characters can learn Swiftness, which increases the movement speed of the entire party.
The Speed MAGI increases a Robot's HP by 99 and Agl by 22 when equipped on them. Speed increases the equipped character's Agl by 10 and adds 2 point of Agl to agility damage and to hit rate chance for each MAGI the player possesses.
Thieves learn Speed 10% Up at job level 3 and it requires 1 slot to equip. They also learn Speed 20% Up at job level 5 (requires 2 slots), and Speed 30% Up at job level 13 (requires 3 slots).
SPD +10% is a level 14 ability of the Thief class, requiring 310 AP to learn. It requires 1 slot in order to equip and use.
All characters learn the Speed Boost ability, and learn the abilities Speed Boost+ and Speed Boost++ upon mastering the preceding Speed Boost ability. Each level of Speed Boost offers an additional +8% movement speed. Bartz has Speed Boost as an ability attached to his Wind Sheer attack in Dissidia, or his Blade Crash attack in Dissidia 012. It has the same effect as the base Speed Boost ability.
In Dissidia 012 only, Air Dash Boost increases the speed of the character's Air Dash by 4%, while Free Air Dash Boost increases the speed of Free Air Dash and Omni Air Dash by 4%.
Speed+ comes in three levels. Agility Up Lv1 increases Agility by 40, while Lv2 grants +70 Agility but a -30 penalty to Strength, and Agility Up Lv3 grants +100 Agility but -40 Strength. Onion Knight, Bartz and Tidus learn all three levels of Agility Up, Ashe and Lightning learn the Lv1 and Lv2 versions, Vaan learns Lv2 and Lv3, Terra and Shantotto learn only the Lv1 version, Prishe learns Lv2, and Rydia learns Lv3.