Bot Fly is a familiar in The Binding of Isaac, added in the Repentance DLC.

Spawns a familiar that orbits Isaac, deals contact damage and fires shielded tears that destroy enemy projectiles.

The shielded tears home in on projectiles, but not enemies. They deal 3 damage if they hit an enemy.

The familiar deals 1 contact damage per tick (3.75 per second).

The familiar will instantly kill specific fly enemies upon contact.

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.

Bot Fly can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for Bot Fly have been documented.

* 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.

Bot Fly

• Orbital familiar that deals contact damage and fires shielded tears at incoming enemy projectiles
• Abyss: x1 shield locust 1.5x Isaac's damage

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