The Spirit Bird Feather is a feather that can be found in the Frontier. It can be found from various sources and locations throughout the Frontier including but not limited to:
- A guaranteed drop from the Spirit Bird.
- A possible reward from a Treasure Chest.
- A possible reward from the Firefly Quest.
- A possible reward from the Otherworld Tower.
- A possible reward from the Otherworld Present.
In appearance, the Spirit Bird Feather is a indigo feather with a gray stripe and a dark orange tip found at the top of its teal calamus. Players can exchange 1 Spirit Bird Feather for 60,000 gold during the Slayer's Tasks. If the player has no purpose for the Spirit Bird Feather, it can be sold for 7,500 gold.