For each Level of Soul Vulcan Strike:
Increases magical damage against enemies of every element by 1%.

When equipped with Warlock Stone(Upper):
Increases damage of Soul Vulcan Strike by 10%.

When equipped with Warlock Stone(Mid):
Increases damage of Mystery Illusion by 10%.

When equipped with Warlock Stone(Lower):
For each 2 Levels of Two-Handed Staff Mastery:
Increases magical damage against enemies of every size by 3%.

[iRO Description]
For every levels of [Soul Vulcan Strike], increase magic damage against all property by 1%.
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Set Bonus:
Arch Mage Stone (Garment)
Warlock Stone (Upper)

Increase [Soul Vulcan Strike] damage by 10%.
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Set Bonus:
Arch Mage Stone (Garment)
Warlock Stone (Middle)

Increase [Mystery Illusion] damage by 10%.
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Set Bonus:
Arch Mage Stone (Garment)
Warlock Stone (Lower)

For every 2 levels of [Two-handed Staff Mastery], increase magic damage against all size enemies by 3%.