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Missing No. item
Missing No. is an unlockable passive item in The Binding of Isaac.
Description
Randomizes Isaac's passive items and stats on pickup and at the start of every floor.
Stats gain a random modifier that does not stack between floors. These modifiers can be either 0 or:
±0.2 speed.
±2.5 range
±0.5 fire rate.
±0.2 shot speed.
±1 flat damage.
±1 luck.
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 Lazarus.
Item pools
Missing No. can be found in the following item pools:
| Name | Weight |
|---|---|
| Secret Room |
1.0/1.0
|
| Greed Treasure Room |
0.1/1.0
|
| Greed Secret Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| summonable | Can be summoned via  Lemegeton. |
| offensive | Can appear for  Tainted Lost. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
Special synergies
The following special synergies and interactions for Missing No. have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Abyss | Spawns a pink locust that has a chance to mimic random effects based on other Abyss locusts. |
* Note that not all possible synergies and interactions are listed here.
Internal item description
Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.
Missing No.
• Rerolls Isaac's stats and all collected items on pickup
• This reroll effect triggers again at the start of each new floor
• Abyss: x1 glitched locust .5x Isaac's damage
External links
- Check out the item description on the external Isaac Wiki.
Screw 
Hot Bombs 
Fire Mind 
Dark Matter 
Black Candle 
Proptosis