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.

This page shows information as of the latest Repentance release.
To see latest up-to date information about this item for the new Repentance+ (Online Co-op) DLC, 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:

The following tags are applied to this item:

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

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

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