Eve's Bird Foot is an unlockable trinket.
- 5% chance to spawn a Dead Bird familiar for the current room each time an enemy dies.
- The Dead Bird deals 4 damage per second.
- The chance increases with luck, reaching 100% at 8 luck.
- The familiar spawns already activated, with no taking damage required unlike the item.
- This trinket alone cannot spawn more than one Dead Bird per room. It can, however, stack with Dead Bird to spawn two in one room.
- The bird familiar spawned by this trinket is transparent and has one missing leg compared to the one spawned by the actual item.