Alchemy Stone of Air Currents
気流の錬金石 [kiryuu no renkinseki] or 'alchemy stone of air current' in Japanese.
Pictlogica

Buy: - (sell: 1,000 gil)
Obtain: event quest Frenzy of Sky Power, Pulse of Power: Howling Wind
Use: EX Alchemy for Hayate, Reppu, Wind Harpoon, Vortex Harpoon, gives 1,000 exp when used in alchemy synthesis
Type: EX Fusion Material, Rarity: ★★★★★
Description: Material for EX Alchemy synthesization.
Category: Item