Binding of Isaac: Rebirth Wiki
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(in Repentance)

Card Reading is a passive item added in The Binding of Isaac: Repentance.

Effects[ | ]

  • At the beginning of each floor, spawns 2 portals that each lead to either the Boss RoomBoss Room, Treasure RoomTreasure Room, or Secret RoomSecret Room.
    • The Boss Room portal is red, the Treasure Room portal is yellow, and the Secret Room portal is blue.
    • On floors with no treasure rooms, only 1 portal will spawn.
  • The portals will disappear once the starting room is left, whether a portal was taken or not.

Notes[ | ]

  • Assuming that each portal has an equal chance of spawning, before chapter 4, each portal has a 2/3 chance of a portal of a specific color to appear. From chapter 4 onward, there's a 1/2 chance of either color spawning.
    • In challenges without treasure rooms, only 1 portal will spawn on each floor.
  • During the Ascent, the portal will spawn in the "starting room" that leads to the next floor.
  • Entering the starting room in the Mirrored world will cause the portals to spawn there, leading to the mirror's treasure, secret, or boss room.
  • If the run is exited, the portals will not be there upon continuing.
  • In The VoidThe Void the boss portal will lead to a random boss, not necessarily Boss Delirium ingameDelirium.
  • Entering a portal with Curse of the Maze active on the current floor has a chance of teleporting Isaac to a random room instead.
  • The Treasure Room portal will not lead to a PlanetariumPlanetarium if available, unlike XVII - The StarsXVII - The Stars.

Interactions[ | ]

In-game footage[ | ]

Trivia[ | ]

  • Fittingly, this item's sprite is a combination of IV - The EmperorIV - The Emperor and XVII - The StarsXVII - The Stars.
  • This item may be a reference to the portals in the videogame Wizard of Legend, where four portals appear after clearing the boss room, that teleport you to important locations (shops or the start point) depending on their color (red, green, purple, and turquoise).
  • The subtext "A link to your future" is very likely a reference to the game The Legend of Zelda: A Link to The Past.
  • Card Reading is twice as unlikely to appear as most other Shop items, and is the only Shop item which acts this way that cannot be obtained from a different item pool.

Bugs[ | ]

Bug Bug! In the first floor of a Victory Lap, the portals will appear but cannot be entered. It will work again from floor 2.
Bug Bug! Entering one of the portals causes the Found SoulFound Soul familiar to become invisible until Isaac drops and picks up the trinket again or enters a new floor.
Bug Bug! Using a portal, then rewinding time with the Collectible Glowing Hourglass iconGlowing Hourglass will not cause the portals to reappear.
Bug Bug! Portals may on rare occasion appear in Collectible Death Certificate iconDeath Certificate rooms, even under item pedestals. Taking the portal will simply teleport Isaac to another room inside the Death Certificate area.


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