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Guppy's Tail item
Guppy's Tail is a passive item in The Binding of Isaac.
Description
Grants a 33% chance of replacing room clear rewards with a Chest or a Locked Chest.
Grants a 22% chance to replace the room clear reward with nothing.
Due to these effects, keys become more scarce as they can often times be replaced with Locked Chests.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.
Transformations
Item pools
Guppy's Tail can be found in the following item pools:
| Name | Weight |
|---|---|
| Devil Room |
1.0/1.0
|
| Red Chest |
1.0/1.0
|
| Curse Room |
1.0/1.0
|
| Greed Curse Room |
1.0/1.0
|
| Greed Devil Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| summonable | Can be summoned via  Lemegeton. |
| dead | Contributes towards unlocking  The Parasite. |
| guppy | Contributes towards the Guppy transformation. |
| offensive | Can appear for  Tainted Lost. |
External links
- Check out the item description on the external Isaac Wiki.
Bomb Bag 
A Lump of Coal 
Guppy's Paw 
IV Bag 
Best Friend 
Remote Detonator