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Forgotten Lullaby trinket
Forgotten Lullaby is an unlockable trinket in The Binding of Isaac, added in the Repentance DLC.
Description
Doubles the fire rate of Isaac's familiars.
Does not affect wisps.
Has a 1% chance of being dropped upon defeating Siren.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this trinket for the previous Repentance version, check this page instead.
How to unlock?
Blow up The Siren's skull after defeating her.
Special synergies
The following special synergies and interactions for Forgotten Lullaby have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | No effect. |
* Note that not all possible synergies and interactions are listed here.
YouTube video
External links
- Check out the trinket description on the external Isaac Wiki.
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Teardrop Charm 
Apple of Sodom 
Beth's Faith 
Old Capacitor 
Brain Worm