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Strange Key trinket
Strange Key is an unlockable trinket in The Binding of Isaac, added in the Repentance DLC.
Description
Unlocks the passageway to Blue Womb regardless of the run's duration.
Using Pandora's Box while holding the trinket will ignore the regular effects of the box, and instead spawn 6 higher quality items from a set of item pools, consuming both the item and trinket in the process.
The items are chosen from the following pools: Treasure Room, Shop, Boss, Devil Room, Angel Room, Secret Room, Library, Golden Chest, Curse Room, Planetarium.
The Treasure Room pool has a much higher chance to be chosen than the others that have an equal chance.
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 Isaac, ???, Satan, and The Lamb as 
Tainted Eve.
Tags
The following tags are applied to this trinket:
| Id | Description |
|---|---|
| lazarussharedglobal | Passive effects (except direct stat changes) are shared between  Tainted Lazarus' forms. |
Special synergies
The following special synergies and interactions for Strange Key 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.
Cursed Penny 
Your Soul 
Number Magnet 
Lil Clot 
Temporary Tattoo 
Swallowed M80