SRD:Orb of Storms
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Orb of Storms: This glass sphere is 8 inches in diameter. The possessor can call forth all manner of weather, even supernaturally destructive storms. Once per day she can call upon the orb to use a control weather spell, Once per month, she can conjure a storm of vengeance. The possessor of the orb is continually protected by an endure elements effect.