Spider Mod is a familiar in The Binding of Isaac, added in the Afterbirth DLC.

Spawns a spider familiar that wanders around the room and allows Isaac to see tear damage and health bars of enemies.

The familiar will inflict a random status effect to any enemy it comes in contact with.

Has a chance to drop a Lil' Battery or spawn a Blue Spider upon clearing a room.

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 Spider Baby transformation. Collecting 3 items from this set will spawn a spider familiar that applies random status effects when it comes in contact with enemies.

Spider Mod can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for Spider Mod have been documented.

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

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