Jera is an unlockable consumable in The Binding of Isaac.

Duplicates all pickups and chests in the room, excluding item pedestals.

Will also duplicate pickups that require payment, e.g. ones inside the shop.

Cloned chests will contain the exact same type of contents.

Cannot be used to clone other Jera runes, or trinkets.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this consumable for the previous Repentance version, check this page instead.

Complete challenge #2: High Brow.

The following special synergies and interactions for Jera have been documented.

* Note that not all possible synergies and interactions are listed here.

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.

Jera

• Duplicates all chests and pickups
• Cannot duplicate jera or trinkets
• Clear Rune: Recharge 12

The following sounds are related to this consumable.

• Check out the consumable description on the external Isaac Wiki.