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???'s Only Friend item
???'s Only Friend is an unlockable familiar in The Binding of Isaac.
Description
Spawns a familiar that can be controlled with the shooting buttons and deals contact damage to enemies.
The familiar deals 3.5 damage per tick (15 per second).
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.
How to unlock?
Complete Boss Rush as ???.
Transformations
Item pools
???'s Only Friend can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Key Master |
1.0/1.0
|
| Greed Treasure Room |
1.0/1.0
|
| Baby Shop |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| summonable | Can be summoned via  Lemegeton. |
| monstermanual | Can be summoned via  Monster Manual. |
| offensive | Can appear for  Tainted Lost. |
| fly | Contributes towards the Beelzebub transformation. |
Special synergies
The following special synergies and interactions for ???'s Only Friend have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | BFFS! | ×2 damage. |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the item description on the external Isaac Wiki.
Mysterious Liquid 
Gemini 
Cain's Other Eye 
Samson's Chains 
Mongo Baby 
Isaac's Tears