Increases Darkening Cannon damage by 10%.
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Set Bonus:
Shiranui Stone (Garment)
Oboro Stone (Upper)

Increases Red Flame Cannon damage by 10%.
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Set Bonus:
Shiranui Stone (Garment)
Oboro Stone (Middle)

Every level of Melt Away learned,
Reduces variable casting time by 3%.
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Set Bonus:
Shiranui Stone (Garment)
Oboro Stone (Lower)

Increases Thundering Cannon damage by 10%.