Angel Feathers are a collectables item, and can be stored to 20 per inventory slot.
Angel Feathers are used to get Haven units. It is done through completing various daily quests handed to you by Travelling Knight.
|Namtaru's Claws: The Lower Marshlands||3||100 Sentinels|
|Nar-Heresh: The Laboratories||6||120 Archers|
|The Whispering Plains: Fang's Bay Harbour||12||25 Cavaliers|
|The Lightlands: Crow's Nest||24||10 Celestials|