Used in:

• Hurricane Temper (Brewing)
• Spell: Imbue Storm (Jewelry_making)

Dropped by:

• Bastion of Thunder
• A stormrider (45%)
• A stormrider (45%)
• Plane of Storms
• a Koka`Vor senvar (45%)
• a Koka`Vor krovian (45%)
• a Koka`Vor Chieftain (90%)
• a Koka`Vor Elder (90%)
• Ston`Ruak, Ancient of the Trees (90%)