For every 2 refine level, SPL + 1.
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When refined to +7 or higher, S.MATK + 3.
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When refined to +9 or higher, additional S.MATK + 3.
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Set Bonus:
Magical Spell Shadow Weapon
Magical Spell Shadow Shield

S.MATK + 3.
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Class : Shadow Equipment
Location : Weapon
Weight : 0
Required Level : 1
Jobs : All Jobs