
- Support materia
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FFVII Materia
Blue support materia cannot act on its own; it must be placed in a linked slot with another type of materia. It will then enhance the effect of that materia; for example, the All materia, when linked with a Magic materia, will cause its spells to target all enemies or allies instead of one.
- Surge
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FFVI Skill
An action Mog performs in the Dance Snowman Jazz. Surge causes an avalanche to damage the enemy party.
- Survivor
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FFX Equipment
One of Rikku's claws, with the Alchemy ability.
- SwdTech
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FFVI Skill
Cyan's unique skill, useable when he has a SwdTech sword equipped. Master of the sword, Cyan has turned bladework into an artform. Which SwdTech is unleashed depends on how long you are willing to wait for his bar to fill while the battle continues on; it can stop on any number from 1 to 8. The SwdTechs are: 1) Dispatch, 2) Retort, 3) Slash, 4) Quadra Slam, 5) Empowerer, 6) Stunner, 7) Quadra Slice, and 8) Cleave.
- Swift Cactuar
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FFX Equipment
One of Lulu's dolls, with the First Strike ability.
- Switch Hitter
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FFX Equipment
One of Wakka's balls, with two or three free slots for customising.

