Rotten Penny is an unlockable trinket in The Binding of Isaac, added in the Afterbirth+ DLC.
Spawns a Blue Fly every time a coin is picked up.
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.
Have 20 Blue Flies at the same time.
Rotten Penny can be found in the following item pools:
Name | Weight |
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The following special synergies and interactions for Rotten Penny have been documented.
Mod | Item | Synergy |
---|---|---|
--- | Trinket multipliers | No effect. |
* Note that not all possible synergies and interactions are listed here.