Black Feather is a trinket added in Afterbirth.
Effect
- Increases Isaac's damage by 0.2 for each of the following items or trinkets he possesses:
Notes
- Having more than one of the same item will still increase its damage.
- Despite having "With darkness comes power" in its pickup quote, only a few items on the list can be found in Devil Rooms, and only one of those is exclusive to Devil Rooms. In fact, Safety Pin and Match Book are strictly Boss Room items.
In-game Footage
 Eve Unlocks
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 The Binding of Isaac: Rebirth
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