S.MATK +3
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When equipped with Magic Power Stone(Upper):
S.MATK +1, SPL +1
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When equipped with Magic Power Stone(Middle):
S.MATK +1, SPL +1
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When equipped with Magic Power Stone(Lower):
S.MATK +1, SPL +1
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When equipped with Spell Stone(Dual):
S.MATK +5, SPL +3