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Dull Razor item
Dull Razor is an unlockable active item in The Binding of Isaac, added in the Afterbirth+ DLC.
Description
Hurts Isaac without taking away any health, granting invincibility frames and activating any items that trigger upon taking damage.
Can be used to enter Curse Rooms and open Spiked Chests for free via its invincibility frames.
Cannot be used to exploit 
Blood Donation Machines, 
Devil Beggars, etc.
Ignores the shield granted by Holy Mantle and similar items.
Note
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.
How to unlock?
Defeat Delirium as Eve.
Item pools
Dull Razor can be found in the following item pools:
| Name | Weight |
|---|---|
| Shop |
1.0/1.0
|
| Greed Shop |
1.0/1.0
|
Special synergies
The following special synergies and interactions for Dull Razor have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Spawns a grey wisp in the middle ring that doesn't fire any tears. When Isaac takes damage, the wisp has a 20% chance to negate it and get destroyed instead. Damage taken from Dull Razor does not apply to this effect. |
* 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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