User grows large boney feathered wings on their back and can propel feathers and bones at enemies

Pros:
-user can fly great heights
-user can carry people while flying
-user can control feathers
-user can fly with bones only

Cons:
-user will bleed if too many feathers and bones are used
-feathers kill anyone harmed by them
-user can't be healed
-bones are heavy

Weakness: unknown