Ventricle Razor

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Ventricle   Razor
Removed in Afterbirth †Item icon
Added in Afterbirth † / Removed in RepentanceItem icon
Added in RepentanceItem icon
Item altar
"Short cutter"
Table dividing line 1.png
Item ID
Table dividing line 2.png
Recharge Time
Unlimited Unlimited
Item Pool
Normal and hard modes only Shop Shop
Table dividing line 3.png
Collection Grid
Added in Afterbirth † / Removed in Repentance(page 4, column 11, row 2)
Removed in Afterbirth †(page 4, column 11, row 2)
Added in Repentance(page 4, column 12, row 2)
Added in Afterbirth

Ventricle Razor is an activated item added in The Binding of Isaac: Afterbirth.

Effects[edit | edit source]

  • When used for the first time, Isaac creates a blue portal under where he is standing. The next time he uses the item, he creates an orange portal under his feet. Isaac can then walk over either of the portals to teleport instantly to the location of the other one.
  • Activating the item more than twice will replace the older of the two portals.
  • The portals can be placed in any room. However, if a portal leads to a room with a negative grid index (i.e. Devil Room, Angel Room, I AM ERROR room, Crawl Space, Boss Rush, Black Market, Mega Satan room, or Blue Womb portal room), Isaac will not be able to enter the portal.

Notes[edit | edit source]

  • This item can be used to escape Challenge Rooms or the Boss Rush.
  • Removed in RepentanceUpon teleportation, Isaac is granted with a short invulnerability period which can be abused to trigger Blood Donation Machines and Devil Beggars without losing health by placing a portal just next to it, teleporting, and touching the Donation Machine or Beggar in the same move. This trick is particularly useful for The Lost. The teleportation trick can also be used to escape Curse Rooms without taking damage.
  • Portals will stay even if the item is dropped or changed.
  • The item can prove useful in close quarters combat, allowing the player to attack one side, then dodge attacks and jump to the other side of the room to attack the enemies on that side.
  • Upon entering a new floor, the previously placed portals will disappear.
  • If Curse of the Maze is active, using portals placed between different rooms may result in a random destination. Two portals in the same room work reliably.
    • If room contents are randomized by the curse, it's possible for the portals to end up completely surrounded or even inside rocks or pits. If Isaac can't move to safety, the run can be quit and resumed to be placed at a door.
  • Added in RepentanceOn Downpour Downpour II, Ventricle Razor cannot be used to teleport between the normal and mirror world.

Interactions[edit | edit source]

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • A ventricle is a hollow part in an organ.
  • The colors of the portals are a reference to the Portal Gun from the Portal series, whose portals share the same colors and functionality.

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