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Daemon's Tail trinket
Daemon's Tail is an unlockable trinket in The Binding of Isaac.
Description
Replaces 80% of hearts from room clear rewards with keys.
Decreases chances for heart drops from all sources, and increases chances for other rewards to be selected instead.
For example, it will decrease heart drop chances from Blue Fire Places, as the heart drops can be replaced with nothing.
All heart drops turn into 
Black Hearts whenever possible.
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?
Defeat Satan as 
Azazel.
Item pools
Daemon's Tail can be found in the following item pools:
| Name | Weight |
|---|
Special synergies
The following special synergies and interactions for Daemon's Tail have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | No effect. |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the trinket description on the external Isaac Wiki.
Paper Clip 
Monkey Paw 
Mysterious Paper 
Missing Poster 
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Mysterious Candy