In-game pickup line
“With darkness comes power”
Mechanics
What Black Feather does
- In Repentance, each held Evil up item grants 0.5 damage through the trinket.
- The bonus scales as more qualifying items are collected.
Achievement #197
How to unlock it
Defeat Ultra Greed as Eve.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Check how many Evil up items you already have before choosing it over another trinket.
Reference
Game data and sources
The trinket ID, icon, game-file tags, and short pickup line come from the extracted Repentance files. This effect explanation is an editorial summary checked against the references below. Repentance+ can differ.
