Razor Blade

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Item icon
Item altar
 
 
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Character appearance
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Unlimited Unlimited
 
Item Pool Devil Room.png Devil Room
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Added in Afterbirth (page 2, column 3, line 1)
Removed in Afterbirth (page 2, column 3, line 3)
 
The Razor Defeat Satan as Eve
The RazorThe Razor

Razor Blade is an unlockable activated item.

Effect[edit | edit source]

  • Upon use, deals one heart of damage to Isaac and grants +1.2 damage for the current room.

Notes[edit | edit source]

  • Added in Afterbirth Eve starts with this item after unlocking it and donating 439 coins to the Greed Machine.
    • Both conditions must be met in order for Eve to hold it; donating 439 coins before defeating Satan with Eve will wrongly state on Eve's profile on the Character Selection Screen that she has it equipped.
  • This item effect stacks with itself and Red Patch Red Patch
    Red Patch Icon.pngGrants a chance of increasing damage by 1.8 for the current room upon taking damage.
    , which provides a similar benefit.
  • Like similar items such as Blood Rights Blood Rights
    Blood Rights Icon.pngUnlimitedDamages all enemies in the room, but deals a heart of damage to Isaac with each use.
    or Blood Donation Machines, red hearts are removed before soul or black hearts, meaning you can still use it if you have a single red heart container and soul hearts. This also means that players should avoid using this item if they plan on keeping an eternal heart, as activating the item will remove it as well.
    • Like similar items mentioned above, use of this item does not affect Devil or Angel room chances.
  • Using this item as The Lost will result in death.
  • When picked up, Isaac's tears turn red, though this change is purely cosmetic.

Synergies[edit | edit source]

  • Isaac's Heart Isaac's Heart
    Isaac's Heart Icon.pngIsaac himself is now immune to all damage, and a heart familiar appears and follows Isaac. If the heart is hurt, Isaac is hurt.
    : Isaac cannot take damage from the Razor Blade, allowing for infinite uses of the item.
  • The Polaroid The Polaroid
    The Polaroid Icon.pngIf the character has half a red heart or no red hearts after taking damage, it triggers the Book Of Shadows effect, creating a shield that nullifies all types of damage for 5 seconds. Also allows entrance into The Chest.
    : Isaac takes no damage while invincible, allowing for repeated free uses of the item.
  • The Wafer The Wafer
    The Wafer Icon.pngAll sources of damage that would cause more than one half heart of damage are reduced to one half heart instead.
    : Isaac loses half a heart instead of a full heart.
  • Whore of Babylon Whore of Babylon
    Whore of Babylon Icon.pngIncreases damage and speed whenever Isaac has half a red heart or less (one red heart for Eve), ignoring any soul or black hearts.
    : The Razor Blade can be used to activate this item's effect by doing enough damage to get Isaac down to half a red heart (or one red heart as Eve), providing a big damage boost for the current room at the cost of health.

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • This item is used in Challenge #4 (Darkness Falls).
  • The item itself is a reference to the act of cutting one's self, usually at the wrists, in order to inflict self harm or to commit suicide by loss of blood.
  • Isaac's appearance after using the item is just like the Dople.

Gallery[edit | edit source]


The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
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Red heart.png Pickups BlueBlue.png Pills MainPageRooms.png Rooms MainPageSeeds2.png Seeds Guppy App.png Transformations The Left Hand Icon.png Trinkets