Razor Blade

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Item icon
Item altar
 
 
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5.100.126
 
Character appearance
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Unlimited Unlimited
 
Devil Room Devil Room
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Added in Afterbirth(page 2, column 3, row 1)
Removed in Afterbirth(page 2, column 3, row 3)
 
The Razor Defeat Satan as EveThe 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 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 PatchTrinket 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 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, the 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.
  • Using this item in the Greed Mode Ultra Greed boss room will result in Isaac losing 2-4 coins and dropping 1-3 pennies on the floor similar to being hit by any of the greed enemies.


Synergies[edit | edit source]

  • Isaac's Heart Isaac's Heart: Isaac cannot take damage from the Razor Blade, allowing for infinite uses of the item.
  • The Polaroid The Polaroid: Isaac takes no damage while invincible, allowing for repeated free uses of the item.
  • The Wafer The Wafer: Isaac loses half a heart instead of a full heart.
  • Whore of Babylon Whore of Babylon: 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, to inflict self-harm or to commit suicide by loss of blood.
  • Isaac's appearance after using the item is just like the Dople.
  • In the original Binding of Isaac, Razor Blade was unlocked by defeating Mom's Heart/It Lives as Eve.

Gallery[edit | edit source]


Eve Unlocks Eve Unlocks Eve Unlocks
The RazorThe RazorDefeat Satan as EveSacrificial DaggerSacrificial DaggerDefeat ??? as EveEve's Bird FootEve's Bird FootDefeat Isaac as EveBlack LipstickBlack LipstickDefeat The Lamb as EveEve's MascaraEve's MascaraComplete the Boss Rush as EveCrow BabyCrow BabyDefeat Mom's Heart on hard mode as Eve AthameAthameDefeat Hush as EveBlack FeatherBlack FeatherDefeat Ultra Greed as EveLil' BabyLil' BabyDefeat Mega Satan as EveWhore BabyWhore BabyEarn all hard mode completion marks as Eve Dull RazorDull RazorDefeat Delirium as EveCrow HeartCrow HeartDefeat Ultra Greedier as Eve
The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
Achievements Achievements Attributes Attributes Bosses Bosses TarotCard.png Cards and Runes Challenges Challenges Chapters Chapters
Characters Characters MainPageBabies.png Co-op Items Items Item pools Item pools Monsters Monsters Objects Objects
Pickups Pickups Pills Pills Rooms Rooms Seeds Seeds Transformations Transformations Trinkets Trinkets