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Rune Shard consumable
Rune Shard is a consumable in The Binding of Isaac, added in the Repentance DLC.
Description
Activates one of the following weaker rune effects:
• 
Algiz: grants a shield that lasts 3 seconds.
• 
Ansuz: reveals the map up to 3 rooms away from Isaac.
• 
Berkano: spawns an Abyss locust for the duration of the room.
• 
Dagaz: gives half a soul heart.
• 
Hagalaz: destroys only some rocks.
• 
Jera: duplicates only one pickup.
• 
Perthro: rerolls only one item.
Can spawn as a replacement for any other rune that hasn't been unlocked yet. This means that once all runes have been unlocked, Rune Shard will no longer be able to spawn.
Note
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.
Special synergies
The following special synergies and interactions for Rune Shard have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Clear Rune | Mimic recharge time: 1 room |
* 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.
Rune Shard
• Grants a weaker effect of a random rune
• Blank Card: Recharge 1
Sounds
The following sounds are related to this consumable.
External links
- Check out the consumable description on the external Isaac Wiki.
Huge Growth 
Ancient Recall 
Era Walk 
0 - The Fool? 
I - The Magician? 
II - The High Priestess?