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(in Afterbirth † and Repentance)

Door Stop is an unlockable trinket added in The Binding of Isaac: Afterbirth † (Booster Pack #3).

Effects[ | ]

  • While held, the last door Isaac went through stays open, allowing him to leave the room even if enemies are in it.
    • Does not prevent doors from closing due to other triggers, e.g. a Challenge RoomChallenge Room door will still close upon opening a chest.

Notes[ | ]

  • Does not work on Secret RoomSecret Room openings.
  • Does not work in Greed Mode.
    • (in Repentance) Cannot spawn in Greed Mode.
  • This allows Isaac to leave rooms, including boss rooms, if the fight goes poorly.
    • This becomes particularly useful in The VoidThe Void, where there are multiple boss rooms; Door stop lets the player peek behind each boss room, and thus able to decide whether to face Boss Delirium ingameDelirium or other bosses first.
  • Leaving immediately after enemies have spawned gives the player information on the fight, potentially improving decision making.
  • If a Devil RoomDevil Room has a Boss Krampus ingameKrampus fight in it, Isaac may choose not to fight him and leave.
  • If an Angel fight is started in an Angel RoomAngel Room the door will close and prevent leaving despite the Door Stop.
  • If GreedGreed spawns in a Secret Room or ShopShop, Door Stop can be used to leave and come back to fight Greed again to potentially get more than one Collectible Steam Sale iconSteam Sale.
  • Does not affect Boss Mom ingameMom's boss room.
  • Can be used to reset Collectible Holy Mantle iconHoly Mantle shield. Very useful playing as Character The Lost iconThe Lost.
  • (except in Repentance) If a room contained champion enemies, upon leaving and re-entering the room, all previous champion enemies will have turned to regular enemies.
  • Cannot be used to escape Boss RushBoss Rush after the fight has started.
  • Cannot be used to escape the Mega Satan Head ingameMega Satan fight.

Synergies[ | ]

  • (in Repentance)Collectible 4.5 Volt icon4.5 Volt / Collectible Jumper Cables iconJumper Cables: Provides infinite charges by clearing some enemies then leaving the room, and repeating.
  • Collectible Charm of the Vampire iconCharm of the Vampire / Collectible Gimpy iconGimpy: Allows the possibility to generate unlimited Hearts.
  • Collectible Head of the Keeper iconHead of the Keeper: With enough patience, Coins can be gathered infinitely.
  • (in Repentance) Character Tainted Keeper iconTainted Keeper: Leaving and re-entering the room allows for limited coin farming; however, enemies in rooms Tainted Keeper has already visited will eventually stop dropping coins.

In-game Footage[ | ]

Gallery[ | ]

Trivia[ | ]


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