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Gello item
Gello is an unlockable active item in The Binding of Isaac, added in the Repentance DLC.
Description
Spawns a familiar that's attached to Isaac, and can be controlled in the direction Isaac is shooting. While Isaac is shooting, the familiar will shoot at the closest enemy.
The familiar inherits Isaac's damage, tears, range, shoot speed, tear effects, and tear modifiers.
Launching the familiar deals 3x Isaac's damage to enemies it hits.
Gello's tears deal 75% of Isaac's damage, or 100% if playing as 
Lilith or 
Tainted Lilith.
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?
Defeat Delirium as Tainted Lilith.
Item pools
Gello can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
0.5/1.0
|
| Devil Room |
1.0/1.0
|
| Greed Treasure Room |
0.5/1.0
|
| Greed Devil Room |
1.0/1.0
|
| Ultra Secret Room |
1.0/1.0
|
| Baby Shop |
0.5/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
Special synergies
The following special synergies and interactions for Gello have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | BFFS! | ×2 tear damage. |
| --- | Book of Virtues | Spawns a red wisp in the middle ring that orbits Gello instead of Isaac. |
* Note that not all possible synergies and interactions are listed here.
YouTube video
External links
- Check out the item description on the external Isaac Wiki.
IBS 
Hemoptysis 
Ghost Bombs 
Decap Attack 
Glass Eye 
Stye