BBF - The Binding of Isaac

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BBF is a familiar in The Binding of Isaac.

Spawns a familiar that flies around the room diagonally and explodes upon contact with an enemy.

The explosion deals 100 damage to all enemies within its blast radius and 10 to the enemy it touched.

After exploding, it will respawn again after 10 seconds, or upon entering a new room.

The explosion can hurt Isaac.

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.

This item contributes towards the Beelzebub transformation. Collecting 3 items from this set will grant Isaac flight, converts small enemy flies into Blue Flies, and permanently charms larger enemy flies.

BBF can be found in the following item pools:

Name	Weight
Treasure Room	1.0/1.0
Key Master	1.0/1.0
Greed Treasure Room	1.0/1.0
Baby Shop	1.0/1.0

The following tags are applied to this item:

Id	Description
summonable	Can be summoned via Lemegeton.
monstermanual	Can be summoned via Monster Manual.
offensive	Can appear for Tainted Lost.
fly	Contributes towards the Beelzebub transformation.

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

Mod	Item	Synergy
---	BFFS!	×2 contact damage. +25 explosion damage.
---	Abyss	Spawns a yellow locust that has a 30% chance to explode upon enemy contact, dealing 40 damage.

* 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.