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Tooth and Nail item
Tooth and Nail is a passive item in The Binding of Isaac, added in the Repentance DLC.
Description
Causes Isaac to turn to stone and sprout spikes every 6 seconds. Isaac is immune to damage while in this state, and deals 40 damage per tick (80 per second). The effect lasts for 1 second.
Isaac will flash white 4 times before turning into stone on the 4th flash. These flashes are accompanied with a ticking sound.
Can be used to enter Curse Rooms and open Spiked Chests for free, but cannot be used to play 
Blood Donation Machines and 
Devil Beggars for free.
Has a 1% chance of being dropped upon defeating Tuff Twins.
Note
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.
Item pools
Tooth and Nail can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Greed Treasure Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| summonable | Can be summoned via  Lemegeton. |
| offensive | Can appear for  Tainted Lost. |
Special synergies
The following special synergies and interactions for Tooth and Nail have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Abyss | Spawns a cyan locust that has a chance to destroy enemy projectiles upon contact. |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the item description on the external Isaac Wiki.
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