風切りの羽 / 風切りの羽根 [kazekiri no hane] or 'wind-cutting wing feather' in Japanese.
Final Fantasy XII
Buy: - (sell: 1,148 gil)
Use: Phoenix Down, Zwill Crossblade
Drop: Charybterix, Chimera Brain, Imdugud, Mirrorknight
Steal: Charybterix, Phoenix
Poach: Charybterix, Chimera Brain, Mirrorknight
Description: This feather, resembling a finely honed blade, makes a slicing sound when swung through the air. Grown seeq have been known to weep at its suppleness.
Other: 風切りの羽根 in Japanese
Grimoire of the Rift

Buy: - (sell: 1,000 gil)
Use: Fanatic, Seventh Heaven, Thief's Cap, Materia Armor, Mirror Mail, Brigand's Gloves, Galmia Shoes
Reward: Ruinous Traps x2 (once), Cake: The Recipe x4 (once), A Chill in the Night (once)
Type: Cloth, Rank: ★★
Description: A steel-grey quill, so thin on one edge it resembles a blade. Snap it quickly through the air, and it will make a cracking noise like a whip.
Other: 風切りの羽根 in Japanese
Pictlogica

Buy: - (sell: 1 gil)
Obtain: event Break Into the Lunatic Pandora
Alchemy: -
Use: EX Alchemy for Pandemonium, gives 1 exp when used in alchemy synthesis
Type: EX Alchemy Material, Rarity: ★★★★★
Description: Material for EX Alchemy synthesization.
Other: 風切りの羽 in Japanese
Category: Item