Dull Razor is an unlockable activated item added in Afterbirth †.
Effect
- Hurts Isaac without taking away health, activating any items that trigger upon taking damage.
Notes
- As using the Dull Razor will grant invincibility frames like normal damage, this item can be used to enter Curse Rooms or use Blood Donation Machines and Devil Beggars for free.
Interactions
Cone Head: No effect.- Crown Of Light: Disables Crown of Light for the current room.
- Habit: Does not charge the Dull Razor itself.
- Holy Mantle: The Holy Mantle absorbs the Dull Razor, wasting both.
- Isaac's Heart: Completely nullifies the effect of Dull Razor.
In-game Footage
Trivia
- The item works almost identically to the Voodoo Pin in Antibirth.
 Eve Unlocks
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 The Binding of Isaac: Rebirth
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