The Decalogue is an active item in Battle Fantasy, a mod for The Binding of Isaac.

Grants a Challenge to the player which can be completed for a reward on the next floor. Most Challenges require the player to not do certain actions for the rest of the floor, such as not exploding Shopkeepers or not entering Shops for example.

Upon entering a new floor with completed Challenges, spawns one of the following rewards for each Challenge completed:

• 2-3 pennies
• Half Soul Heart
• Soul Heart
• Eternal Heart
• Holy Card
• An item from the Angel Room pool.

This item contributes towards the Bookworm transformation. Collecting 3 items from this set will make Isaac fire an extra tear 25% of the time.

The Decalogue can be found in the following item pools:

The following tags are applied to this item:

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

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

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