Halo of Flies - The Binding of Isaac

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Halo of Flies is a familiar in The Binding of Isaac.

Spawns 2 Pretty Flies that block enemy shots.

These flies will instantly kill some fly enemies upon contact.

No more than 3 Pretty Flies can be obtained at a time.

Has a 1% chance of being dropped upon defeating Duke of Flies.

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.

Halo of Flies 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.
fly	Contributes towards the Beelzebub transformation.

The following special synergies and interactions for Halo of Flies have been documented.

Mod	Item	Synergy
---	Abyss	Spawns 2 cyan locusts that are linked to each other, and have a chance to destroy enemy projectiles upon contact.

* 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.

Halo of Flies

• Grants 2 Pretty Fly orbital familiars
• Abyss: x2 shield locusts 1x Isaac's damage