For each Level of Increasing Activity:
Increases magical damage with Fire and Poison element by 2%.

When equipped with Sorcerer Stone(Upper):
Increases damage of Conflagration and Terra Drive by 10%.

When equipped with Sorcerer Stone(Mid):
Increases damage of Venom Swamp by 10%.

When equipped with Sorcerer Stone(Lower):
For each Level of Spell Enchanting:
Increases magical damage against enemies of every element by 3%.

[iRO Description]
For every level of Increase AP, increases fire and poison property magical damage by 2%.
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Set Bonus:
Elemental Master Stone (Garment)
Sorcerer Stone (Upper)

Increase Conflagration and Terra Drive damage by 10%.
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Set Bonus:
Elemental Master Stone (Garment)
Sorcerer Stone (Middle)

Increase Venom Swamp damage by 10%.
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Set Bonus:
Elemental Master Stone (Garment)
Sorcerer Stone (Lower)

For every level of Spell Enchanting, increase Magic damage against all property enemies by 3%.