Spider Mod - The Binding of Isaac

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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 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 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:

Name	Weight
Shop	1.0/1.0
Greed Shop	1.0/1.0
Crane Game	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.
spider	Contributes towards the Spider Baby transformation.
offensive	Can appear for Tainted Lost.

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

Mod	Item	Synergy
---	BFFS!	Increases the chances of spawning batteries and blue spiders.
---	Abyss	Spawns a pink locust that has a chance to mimic random effects based on other Abyss locusts.

* 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.

Spider Mod

• Spider familiar that inflicts random status effects on contact
• Displays health bars and damage numbers for all monsters
• Chance to spawn a battery or blue spider when clearing a room
• Abyss: x1 glitched locust .75x Isaac's damage