Used in:

• Featherwood Compound Bow (Fletching)
• Signet Featherwood Bow (Fletching)

Dropped by (***no spawn table):

• Eryslai, the Kingdom of Wind
• A Mischievous Stormrider (10%)
• A Stormrider Lightningclaw (10%)
• A Fearsome Stormrider (10%)
• ***A Loathesome Stormclaw (10%)